Merge branch 'main' into bb/gui

This commit is contained in:
emozilla
2026-05-15 22:18:15 -04:00
109 changed files with 6979 additions and 539 deletions
+1 -1
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@@ -820,7 +820,7 @@ Available providers for auxiliary tasks: `auto`, `main`, plus any provider in th
:::
:::tip xAI Grok OAuth
`xai-oauth` logs in via browser OAuth for SuperGrok subscribers (no API key needed). Run `hermes model` and select **xAI Grok OAuth (SuperGrok Subscription)** to authenticate. The same OAuth token is reused for every direct-to-xAI surface (chat, auxiliary tasks, TTS, image gen, video gen, transcription). See the [xAI Grok OAuth guide](../guides/xai-grok-oauth.md).
`xai-oauth` logs in via browser OAuth for SuperGrok subscribers (no API key needed). Run `hermes model` and select **xAI Grok OAuth (SuperGrok Subscription)** to authenticate. The same OAuth token is reused for every direct-to-xAI surface (chat, auxiliary tasks, TTS, image gen, video gen, transcription). See the [xAI Grok OAuth guide](../guides/xai-grok-oauth.md), and if Hermes is on a remote host see [OAuth over SSH / Remote Hosts](../guides/oauth-over-ssh.md).
:::
:::warning `"main"` is for auxiliary tasks only
+7 -1
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@@ -68,7 +68,13 @@ Agree to the terms and click **Save**. On the next page click **Settings** → c
### Running over SSH / in a headless environment
If `SSH_CLIENT` or `SSH_TTY` is set, Hermes skips the automatic browser open during both the wizard and the OAuth step. Copy the dashboard URL and the authorization URL Hermes prints, open them in a browser on your local machine, and proceed normally — the local HTTP listener still runs on the remote host on port 43827. If you need to reach it through an SSH tunnel, forward that port: `ssh -L 43827:127.0.0.1:43827 remote`.
If `SSH_CLIENT` or `SSH_TTY` is set, Hermes skips the automatic browser open during both the wizard and the OAuth step. Copy the dashboard URL and the authorization URL Hermes prints, open them in a browser on your local machine, and proceed normally — the local HTTP listener still runs on the remote host on port `43827`. Your laptop's browser can't reach the remote loopback without an SSH local-forward:
```bash
ssh -N -L 43827:127.0.0.1:43827 user@remote-host
```
For jump-box / bastion setups and other gotchas (mosh, tmux, port conflicts), see [OAuth over SSH / Remote Hosts](../../guides/oauth-over-ssh.md).
## Verify
@@ -16,8 +16,8 @@ Generate images, video, and audio with ComfyUI — install, launch, manage nodes
|---|---|
| Source | Bundled (installed by default) |
| Path | `skills/creative/comfyui` |
| Version | `5.0.0` |
| Author | ['kshitijk4poor', 'alt-glitch'] |
| Version | `5.1.0` |
| Author | ['kshitijk4poor', 'alt-glitch', 'purzbeats'] |
| License | MIT |
| Platforms | macos, linux, windows |
| Tags | `comfyui`, `image-generation`, `stable-diffusion`, `flux`, `sd3`, `wan-video`, `hunyuan-video`, `creative`, `generative-ai`, `video-generation` |
@@ -42,6 +42,12 @@ for workflow execution.
- `official-cli.md` — every `comfy ...` command, with flags
- `rest-api.md` — REST + WebSocket endpoints (local + cloud), payload schemas
- `workflow-format.md` — API-format JSON, common node types, param mapping
- `template-integrity.md` — converting `comfyui-workflow-templates` from
editor format to API format: Reroute bypass, dotted dynamic-input keys
(`values.a`, `resize_type.width`), Cloud quirks (302 redirect, 1 concurrent
free-tier job, 1080p VRAM ceiling), Discord-compatible ffmpeg stitch.
Authored by [@purzbeats](https://github.com/purzbeats). Load this whenever
you're starting from an official template.
**Scripts (`scripts/`):**
@@ -65,6 +65,29 @@ kanban_complete(
)
```
**Coding task that needs human review (review-required):**
For most code-changing tasks, the work isn't truly *done* until a human reviewer has eyes on it. Block instead of complete, with `reason` prefixed `review-required: ` so the dashboard surfaces the row as needing review. Drop the structured metadata (changed files, test counts, diff/PR url) into a comment first, since `kanban_block` only carries the human-readable reason — comments are the durable annotation channel. Reviewer either approves and runs `hermes kanban unblock <id>` (which re-spawns you with the comment thread for any follow-ups) or asks for changes via another comment.
```python
import json
kanban_comment(
body="review-required handoff:\n" + json.dumps({
"changed_files": ["rate_limiter.py", "tests/test_rate_limiter.py"],
"tests_run": 14,
"tests_passed": 14,
"diff_path": "/path/to/worktree", # or PR url if pushed
"decisions": ["user_id primary, IP fallback for unauthenticated requests"],
}, indent=2),
)
kanban_block(
reason="review-required: rate limiter shipped, 14/14 tests pass — needs eyes on the user_id/IP fallback choice before merging",
)
```
Use `kanban_complete` only when the task is genuinely terminal — e.g. a one-line typo fix, a docs change with no functional consequences, or a research task where the artifact IS the writeup itself.
**Research task:**
```python
kanban_complete(
@@ -1,14 +1,14 @@
---
title: "Notion — Notion API via curl: pages, databases, blocks, search"
title: "Notion — Notion API + ntn CLI: pages, databases, markdown, Workers"
sidebar_label: "Notion"
description: "Notion API via curl: pages, databases, blocks, search"
description: "Notion API + ntn CLI: pages, databases, markdown, Workers"
---
{/* This page is auto-generated from the skill's SKILL.md by website/scripts/generate-skill-docs.py. Edit the source SKILL.md, not this page. */}
# Notion
Notion API via curl: pages, databases, blocks, search.
Notion API + ntn CLI: pages, databases, markdown, Workers.
## Skill metadata
@@ -16,11 +16,11 @@ Notion API via curl: pages, databases, blocks, search.
|---|---|
| Source | Bundled (installed by default) |
| Path | `skills/productivity/notion` |
| Version | `1.0.0` |
| Version | `2.0.0` |
| Author | community |
| License | MIT |
| Platforms | linux, macos, windows |
| Tags | `Notion`, `Productivity`, `Notes`, `Database`, `API` |
| Tags | `Notion`, `Productivity`, `Notes`, `Database`, `API`, `CLI`, `Workers` |
## Reference: full SKILL.md
@@ -28,23 +28,146 @@ Notion API via curl: pages, databases, blocks, search.
The following is the complete skill definition that Hermes loads when this skill is triggered. This is what the agent sees as instructions when the skill is active.
:::
# Notion API
# Notion
Use the Notion API via curl to create, read, update pages, databases (data sources), and blocks. No extra tools needed — just curl and a Notion API key.
Talk to Notion two ways. Same integration token works for both — pick by what's available.
## Prerequisites
**`ntn` CLI** — Notion's official CLI. Shorter syntax, one-line file uploads, required for Workers. macOS + Linux only as of May 2026 (Windows support "coming soon"). **Default when installed.**
**HTTP + curl** — works everywhere including Windows. **Default fallback** when `ntn` isn't installed.
## Setup
### 1. Get an integration token (required for both paths)
1. Create an integration at https://notion.so/my-integrations
2. Copy the API key (starts with `ntn_` or `secret_`)
3. Store it in `~/.hermes/.env`:
3. Store in `~/.hermes/.env`:
```
NOTION_API_KEY=ntn_your_key_here
```
4. **Important:** Share target pages/databases with your integration in Notion (click "...""Connect to" → your integration name)
4. **Share target pages/databases with the integration** in Notion: page menu `...``Connect to` → your integration name. Without this, the API returns 404 for that page even though it exists.
### 2. Install `ntn` (preferred path on macOS / Linux)
```bash
# Recommended
curl -fsSL https://ntn.dev | bash
# Or via npm (needs Node 22+, npm 10+)
npm install --global ntn
ntn --version # verify
```
**Skip `ntn login` — use the integration token instead.** This works headlessly, no browser needed:
```bash
export NOTION_API_TOKEN=$NOTION_API_KEY # ntn reads NOTION_API_TOKEN
export NOTION_KEYRING=0 # don't try to use the OS keychain
```
Add those exports to your shell profile (or to `~/.hermes/.env`) so every session inherits them.
### 3. Choose path at runtime
```bash
if command -v ntn >/dev/null 2>&1; then
# use ntn
else
# fall back to curl
fi
```
Windows users: skip step 2 entirely until native `ntn` ships — Path B works fine. If you want CLI ergonomics now, install `ntn` inside WSL2.
## API Basics
All requests use this pattern:
`Notion-Version: 2025-09-03` is required on all HTTP requests. `ntn` handles this for you. In this version, what users call "databases" are called **data sources** in the API.
## Path A — `ntn` CLI (preferred, macOS / Linux)
### Raw API calls (shorthand for curl)
```bash
ntn api v1/users # GET
ntn api v1/pages parent[page_id]=abc123 \ # POST with inline body
properties[title][0][text][content]="Notes"
ntn api v1/pages/abc123 -X PATCH archived:=true # PATCH; := is non-string (bool/num/null)
```
Syntax notes:
- `key=value` — string fields
- `key[nested]=value` — nested object fields
- `key:=value` — typed assignment (booleans, numbers, null, arrays)
### Search
```bash
ntn api v1/search query="page title"
```
### Read page metadata
```bash
ntn api v1/pages/{page_id}
```
### Read page as Markdown (agent-friendly)
```bash
ntn api v1/pages/{page_id}/markdown
```
### Read page content as blocks
```bash
ntn api v1/blocks/{page_id}/children
```
### Create page from Markdown
```bash
ntn api v1/pages \
parent[page_id]=xxx \
properties[title][0][text][content]="Notes from meeting" \
markdown="# Agenda
- Q3 roadmap
- Hiring"
```
### Patch a page with Markdown
```bash
ntn api v1/pages/{page_id}/markdown -X PATCH \
markdown="## Update
Shipped the prototype."
```
### Query a database (data source)
```bash
ntn api v1/data_sources/{data_source_id}/query -X POST \
filter[property]=Status filter[select][equals]=Active
```
For complex queries with `sorts`, multiple filter clauses, or compound logic, pipe JSON in:
```bash
echo '{"filter": {"property": "Status", "select": {"equals": "Active"}}, "sorts": [{"property": "Date", "direction": "descending"}]}' | \
ntn api v1/data_sources/{data_source_id}/query -X POST --json -
```
### File uploads (one-liner — biggest CLI win)
```bash
ntn files create < photo.png
ntn files create --external-url https://example.com/photo.png
ntn files list
```
Compare to the 3-step HTTP flow (create upload → PUT bytes → reference).
### Useful env vars
| Var | Effect |
|---|---|
| `NOTION_API_TOKEN` | Auth token (overrides keychain) — set this to your integration token |
| `NOTION_KEYRING=0` | File-based creds at `~/.config/notion/auth.json` instead of OS keychain |
| `NOTION_WORKSPACE_ID` | Skip the workspace picker prompt |
## Path B — HTTP + curl (cross-platform, default on Windows)
All requests share this pattern:
```bash
curl -s -X GET "https://api.notion.com/v1/..." \
@@ -53,12 +176,9 @@ curl -s -X GET "https://api.notion.com/v1/..." \
-H "Content-Type: application/json"
```
The `Notion-Version` header is required. This skill uses `2025-09-03` (latest). In this version, databases are called "data sources" in the API.
## Common Operations
On Windows the `curl` shipped with Windows 10+ works as-is. PowerShell users can also use `Invoke-RestMethod`.
### Search
```bash
curl -s -X POST "https://api.notion.com/v1/search" \
-H "Authorization: Bearer $NOTION_API_KEY" \
@@ -67,24 +187,56 @@ curl -s -X POST "https://api.notion.com/v1/search" \
-d '{"query": "page title"}'
```
### Get Page
### Read page metadata
```bash
curl -s "https://api.notion.com/v1/pages/{page_id}" \
-H "Authorization: Bearer $NOTION_API_KEY" \
-H "Notion-Version: 2025-09-03"
```
### Get Page Content (blocks)
### Read page as Markdown (agent-friendly)
Easier to feed to a model than block JSON.
```bash
curl -s "https://api.notion.com/v1/pages/{page_id}/markdown" \
-H "Authorization: Bearer $NOTION_API_KEY" \
-H "Notion-Version: 2025-09-03"
```
### Read page content as blocks (when you need structure)
```bash
curl -s "https://api.notion.com/v1/blocks/{page_id}/children" \
-H "Authorization: Bearer $NOTION_API_KEY" \
-H "Notion-Version: 2025-09-03"
```
### Create Page in a Database
### Create page from Markdown
`POST /v1/pages` accepts a `markdown` body param.
```bash
curl -s -X POST "https://api.notion.com/v1/pages" \
-H "Authorization: Bearer $NOTION_API_KEY" \
-H "Notion-Version: 2025-09-03" \
-H "Content-Type: application/json" \
-d '{
"parent": {"page_id": "xxx"},
"properties": {"title": [{"text": {"content": "Notes from meeting"}}]},
"markdown": "# Agenda\n\n- Q3 roadmap\n- Hiring\n\n## Decisions\n- Ship MVP Friday"
}'
```
### Patch a page with Markdown
```bash
curl -s -X PATCH "https://api.notion.com/v1/pages/{page_id}/markdown" \
-H "Authorization: Bearer $NOTION_API_KEY" \
-H "Notion-Version: 2025-09-03" \
-H "Content-Type: application/json" \
-d '{"markdown": "## Update\n\nShipped the prototype."}'
```
### Create page in a database (typed properties)
```bash
curl -s -X POST "https://api.notion.com/v1/pages" \
-H "Authorization: Bearer $NOTION_API_KEY" \
@@ -99,8 +251,7 @@ curl -s -X POST "https://api.notion.com/v1/pages" \
}'
```
### Query a Database
### Query a database (data source)
```bash
curl -s -X POST "https://api.notion.com/v1/data_sources/{data_source_id}/query" \
-H "Authorization: Bearer $NOTION_API_KEY" \
@@ -112,8 +263,7 @@ curl -s -X POST "https://api.notion.com/v1/data_sources/{data_source_id}/query"
}'
```
### Create a Database
### Create a database
```bash
curl -s -X POST "https://api.notion.com/v1/data_sources" \
-H "Authorization: Bearer $NOTION_API_KEY" \
@@ -130,8 +280,7 @@ curl -s -X POST "https://api.notion.com/v1/data_sources" \
}'
```
### Update Page Properties
### Update page properties
```bash
curl -s -X PATCH "https://api.notion.com/v1/pages/{page_id}" \
-H "Authorization: Bearer $NOTION_API_KEY" \
@@ -140,8 +289,7 @@ curl -s -X PATCH "https://api.notion.com/v1/pages/{page_id}" \
-d '{"properties": {"Status": {"select": {"name": "Done"}}}}'
```
### Add Content to a Page
### Append blocks to a page
```bash
curl -s -X PATCH "https://api.notion.com/v1/blocks/{page_id}/children" \
-H "Authorization: Bearer $NOTION_API_KEY" \
@@ -154,6 +302,21 @@ curl -s -X PATCH "https://api.notion.com/v1/blocks/{page_id}/children" \
}'
```
### File uploads (3-step flow)
```bash
# 1. Create upload
curl -s -X POST "https://api.notion.com/v1/file_uploads" \
-H "Authorization: Bearer $NOTION_API_KEY" \
-H "Notion-Version: 2025-09-03" \
-H "Content-Type: application/json" \
-d '{"filename": "photo.png", "content_type": "image/png"}'
# 2. PUT bytes to the upload_url returned above
curl -s -X PUT "{upload_url}" --data-binary @photo.png
# 3. Reference {file_upload_id} in a page/block payload
```
## Property Types
Common property formats for database items:
@@ -169,19 +332,132 @@ Common property formats for database items:
- **Email:** `{"email": "user@example.com"}`
- **Relation:** `{"relation": [{"id": "page_id"}]}`
## Key Differences in API Version 2025-09-03
## API Version 2025-09-03 — Databases vs Data Sources
- **Databases → Data Sources:** Use `/data_sources/` endpoints for queries and retrieval
- **Two IDs:** Each database has both a `database_id` and a `data_source_id`
- Use `database_id` when creating pages (`parent: {"database_id": "..."}`)
- Use `data_source_id` when querying (`POST /v1/data_sources/{id}/query`)
- **Search results:** Databases return as `"object": "data_source"` with their `data_source_id`
- **Databases became data sources.** Use `/data_sources/` endpoints for queries and retrieval.
- **Two IDs per database:** `database_id` and `data_source_id`.
- `database_id` when creating pages: `parent: {"database_id": "..."}`
- `data_source_id` when querying: `POST /v1/data_sources/{id}/query`
- Search returns databases as `"object": "data_source"` with the `data_source_id` field.
## Notion Workers (advanced, requires `ntn`)
Workers are TypeScript programs Notion hosts for you. One worker can expose any combination of:
- **Syncs** — pull data from external APIs into a Notion database on a schedule (default 30 min).
- **Tools** — appear as callable tools inside Notion's Custom Agents.
- **Webhooks** — receive HTTP events from external services (GitHub, Stripe, etc.) and act in Notion.
**Plan / platform gating:**
- CLI works on all plans. **Deploying Workers requires Business or Enterprise.**
- `ntn` is macOS/Linux only as of May 2026. Windows users need WSL2 or to wait for native support.
- Free through August 11, 2026; metered on Notion credits after.
### Minimal Worker
```bash
ntn workers new my-worker # scaffold
cd my-worker
# Edit src/index.ts
ntn workers deploy --name my-worker
```
`src/index.ts`:
```typescript
import { Worker } from "@notionhq/workers";
const worker = new Worker();
export default worker;
worker.tool("greet", {
title: "Greet a User",
description: "Returns a friendly greeting",
inputSchema: { type: "object", properties: { name: { type: "string" } }, required: ["name"] },
execute: async ({ name }) => `Hello, ${name}!`,
});
```
### Webhook capability
```typescript
worker.webhook("onGithubPush", {
title: "GitHub Push Handler",
execute: async (events, { notion }) => {
for (const event of events) {
// event.body, event.rawBody (for signature verification), event.headers
console.log("got delivery", event.deliveryId);
}
},
});
```
After deploy: `ntn workers webhooks list` shows the URL Notion generates. Treat that URL as a secret — anyone with it can POST events unless you add signature verification.
### Worker lifecycle commands
```bash
ntn workers deploy
ntn workers list
ntn workers exec <capability-key> -d '{"name": "world"}'
ntn workers sync trigger <key> # run a sync now
ntn workers sync pause <key>
ntn workers env set GITHUB_WEBHOOK_SECRET=...
ntn workers runs list # recent invocations
ntn workers runs logs <run-id>
ntn workers webhooks list
```
When asked to build a Worker, scaffold with `ntn workers new`, write the code in `src/index.ts`, set any secrets with `ntn workers env set`, and deploy. Notion's docs at https://developers.notion.com/workers cover the full API surface.
## Notion-Flavored Markdown (used by `/markdown` endpoints)
Standard CommonMark plus XML-like tags for Notion-specific blocks. Use **tabs** for indentation.
**Blocks beyond CommonMark:**
```
<callout icon="🎯" color="blue_bg">
Ship the MVP by **Friday**.
</callout>
<details color="gray">
<summary>Toggle title</summary>
Children indented one tab
</details>
<columns>
<column>Left side</column>
<column>Right side</column>
</columns>
<table_of_contents color="gray"/>
```
**Inline:**
- Mentions: `<mention-user url="..."/>`, `<mention-page url="...">Title</mention-page>`, `<mention-date start="2026-05-15"/>`
- Underline: `<span underline="true">text</span>`
- Color: `<span color="blue">text</span>` or block-level `{color="blue"}` on the first line
- Math: inline `$x^2$`, block `$$ ... $$`
- Citations: `[^https://example.com]`
**Colors:** `gray brown orange yellow green blue purple pink red`, plus `*_bg` variants for backgrounds.
Headings 5/6 collapse to H4. Multiple `>` lines render as separate quote blocks — use `<br>` inside a single `>` for multi-line quotes.
## Choosing the Right Path
| Task | mac / Linux | Windows |
|---|---|---|
| Read/write pages, search, query databases | `ntn api ...` | curl |
| Read a page for an agent to summarize | `ntn api v1/pages/{id}/markdown` | curl `/markdown` endpoint |
| Upload a file | `ntn files create < file` | 3-step HTTP flow |
| One-off API exploration | `ntn api ...` | curl |
| Build a sync / webhook / agent tool hosted by Notion | `ntn workers ...` | WSL2 + `ntn workers ...` |
## Notes
- Page/database IDs are UUIDs (with or without dashes)
- Rate limit: ~3 requests/second average
- The API cannot set database view filters — that's UI-only
- Use `is_inline: true` when creating data sources to embed them in pages
- Add `-s` flag to curl to suppress progress bars (cleaner output for Hermes)
- Pipe output through `jq` for readable JSON: `... | jq '.results[0].properties'`
- Page/database IDs are UUIDs (with or without dashes — both accepted).
- Rate limit: ~3 requests/second average. The CLI doesn't bypass this.
- The API cannot set database **view** filters — that's UI-only.
- Use `"is_inline": true` when creating data sources to embed them in a page.
- Always pass `-s` to curl to suppress progress bars (cleaner agent output).
- Pipe JSON through `jq` when reading: `... | jq '.results[0].properties'`.
- Notion also ships an MCP server now (`Notion MCP`, ~91% more token-efficient on DB ops than the previous version) — wire it via Hermes' MCP support if you want streaming Notion access from inside a session, but the paths above are enough for most one-shot tasks.
@@ -0,0 +1,228 @@
---
title: "Hyperliquid — Hyperliquid market data, account history, trade review"
sidebar_label: "Hyperliquid"
description: "Hyperliquid market data, account history, trade review"
---
{/* This page is auto-generated from the skill's SKILL.md by website/scripts/generate-skill-docs.py. Edit the source SKILL.md, not this page. */}
# Hyperliquid
Hyperliquid market data, account history, trade review.
## Skill metadata
| | |
|---|---|
| Source | Optional — install with `hermes skills install official/blockchain/hyperliquid` |
| Path | `optional-skills/blockchain/hyperliquid` |
| Version | `0.1.0` |
| Author | Hugo Sequier (Hugo-SEQUIER), Hermes Agent |
| License | MIT |
| Platforms | linux, macos, windows |
| Tags | `Hyperliquid`, `Blockchain`, `Crypto`, `Trading`, `Perpetuals`, `Spot`, `DeFi` |
## Reference: full SKILL.md
:::info
The following is the complete skill definition that Hermes loads when this skill is triggered. This is what the agent sees as instructions when the skill is active.
:::
# Hyperliquid Skill
Query Hyperliquid market and account data through the public `/info` endpoint.
Read-only — no API key, no signing, no order placement.
12 commands: `dexs`, `markets`, `spots`, `candles`, `funding`, `l2`, `state`,
`spot-balances`, `fills`, `orders`, `review`, `export`. Stdlib only
(`urllib`, `json`, `argparse`).
---
## When to Use
- User asks for Hyperliquid perp or spot market data, candles, funding, or L2 book
- User wants to inspect a wallet's perp positions, spot balances, fills, or orders
- User wants a post-trade review combining recent fills with market context
- User wants to inspect builder-deployed perp dexs or HIP-3 markets
- User wants a normalized JSON export of candles + funding for backtesting prep
---
## Prerequisites
Stdlib only — no external packages, no API key.
The script reads `~/.hermes/.env` for two optional defaults:
- `HYPERLIQUID_API_URL` — defaults to `https://api.hyperliquid.xyz`. Set to
`https://api.hyperliquid-testnet.xyz` for testnet.
- `HYPERLIQUID_USER_ADDRESS` — default address for `state`, `spot-balances`,
`fills`, `orders`, and `review`. If unset, pass the address as the first
positional argument.
A project `.env` in the current working directory is honored as a dev fallback.
Helper script: `~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py`
---
## How to Run
Invoke through the `terminal` tool:
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py <command> [args]
```
Add `--json` to any command for machine-readable output.
---
## Quick Reference
```bash
hyperliquid_client.py dexs
hyperliquid_client.py markets [--dex DEX] [--limit N] [--sort volume|oi|funding_abs|change_abs|name]
hyperliquid_client.py spots [--limit N]
hyperliquid_client.py candles <coin> [--interval 1h] [--hours 24] [--limit N]
hyperliquid_client.py funding <coin> [--hours 72] [--limit N]
hyperliquid_client.py l2 <coin> [--levels N]
hyperliquid_client.py state [address] [--dex DEX]
hyperliquid_client.py spot-balances [address] [--limit N]
hyperliquid_client.py fills [address] [--hours N] [--limit N] [--aggregate-by-time]
hyperliquid_client.py orders [address] [--limit N]
hyperliquid_client.py review [address] [--coin COIN] [--hours N] [--fills N]
hyperliquid_client.py export <coin> [--interval 1h] [--hours N] [--output PATH]
```
For `state`, `spot-balances`, `fills`, `orders`, and `review`, the address is
optional when `HYPERLIQUID_USER_ADDRESS` is set in `~/.hermes/.env`.
---
## Procedure
### 1. Discover DEXs and Markets
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py dexs
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
markets --limit 15 --sort volume
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
spots --limit 15
```
- `--dex` only applies to perp endpoints; omit for the first perp dex.
- Spot pairs may show as `PURR/USDC` or aliases like `@107`.
- HIP-3 markets prefix the coin with the dex, e.g. `mydex:BTC`.
### 2. Pull Historical Market Data
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
candles BTC --interval 1h --hours 72 --limit 48
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
funding BTC --hours 168 --limit 30
```
Time-range endpoints paginate. For larger windows, repeat with a later
`startTime` or use `export` (below).
### 3. Inspect Live Order Book
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
l2 BTC --levels 10
```
Use when asked about book depth, near-term liquidity, or potential market
impact of a large order.
### 4. Review an Account
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
state 0xabc...
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
spot-balances
```
`state` returns perp positions; `spot-balances` returns spot inventory.
Use these for "how are my positions?", "what am I holding?", "how much is
withdrawable?".
### 5. Review Fills and Orders
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
fills 0xabc... --hours 72 --limit 25
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
orders --limit 25
```
### 6. Generate a Trade Review
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
review 0xabc... --hours 72 --fills 50
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
review --coin BTC --hours 168
```
Reports realized PnL, fees, win/loss counts, coin breakdowns, market trend
and average funding for each traded perp, plus heuristics (fee drag,
concentration, counter-trend losses).
For deeper post-trade analysis: start with `review` to find problem coins
or windows → pull `fills` and `orders` for that period → pull `candles`
and `funding` for each traded coin → judge decision quality separately
from outcome quality.
### 7. Export a Reusable Dataset
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
export BTC --interval 1h --hours 168 --output ./btc-1h-7d.json
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
export BTC --interval 15m --hours 72 --end-time-ms 1760000000000
```
Output JSON contains: schema version, source metadata, exact time window,
normalized candle rows, normalized funding rows, summary stats. Use
`--end-time-ms` for reproducible windows.
---
## Pitfalls
- Public info endpoints are rate-limited. Large historical queries may
return capped windows; iterate with later `startTime` values.
- `fills --hours ...` uses `userFillsByTime`, which only exposes a
recent rolling window — not full archive history.
- `historicalOrders` returns recent orders only; not a full export.
- The `review` command is heuristic. It cannot reconstruct intent,
order placement quality, or true slippage from fills alone.
- The `export` command writes a normalized dataset, not a backtest
engine. You still need your own slippage/fill model.
- Spot aliases like `@107` are valid identifiers even when the UI shows
a friendlier name.
- `l2` is a point-in-time snapshot, not a time series.
---
## Verification
```bash
python3 ~/.hermes/skills/blockchain/hyperliquid/scripts/hyperliquid_client.py \
markets --limit 5
```
Should print the top Hyperliquid perp markets by 24h notional volume.
@@ -0,0 +1,112 @@
---
title: "Stocks — Stock quotes, history, search, compare, crypto via Yahoo"
sidebar_label: "Stocks"
description: "Stock quotes, history, search, compare, crypto via Yahoo"
---
{/* This page is auto-generated from the skill's SKILL.md by website/scripts/generate-skill-docs.py. Edit the source SKILL.md, not this page. */}
# Stocks
Stock quotes, history, search, compare, crypto via Yahoo.
## Skill metadata
| | |
|---|---|
| Source | Optional — install with `hermes skills install official/finance/stocks` |
| Path | `optional-skills/finance/stocks` |
| Version | `0.1.0` |
| Author | Mibay (Mibayy), Hermes Agent |
| License | MIT |
| Platforms | linux, macos, windows |
| Tags | `Stocks`, `Finance`, `Market`, `Crypto`, `Investing` |
| Related skills | [`dcf-model`](/docs/user-guide/skills/optional/finance/finance-dcf-model), [`comps-analysis`](/docs/user-guide/skills/optional/finance/finance-comps-analysis), [`lbo-model`](/docs/user-guide/skills/optional/finance/finance-lbo-model) |
## Reference: full SKILL.md
:::info
The following is the complete skill definition that Hermes loads when this skill is triggered. This is what the agent sees as instructions when the skill is active.
:::
# Stocks Skill
Read-only market data via Yahoo Finance. Five commands: `quote`, `search`,
`history`, `compare`, `crypto`. Python stdlib only — no API key, no pip
installs. Yahoo's endpoint is unofficial and may rate-limit or change.
## When to Use
- User asks for a current stock price (AAPL, TSLA, MSFT, ...)
- User wants to look up a ticker by company name
- User wants OHLCV history or performance over a date range
- User wants to compare several tickers side by side
- User asks for a crypto price (BTC, ETH, SOL, ...)
## Prerequisites
Python 3.8+ stdlib only. Optional: set `ALPHA_VANTAGE_KEY` to enrich
`market_cap`, `pe_ratio`, and 52-week levels when Yahoo's crumb-protected
fields come back null. Free key: https://www.alphavantage.co/support/#api-key
## How to Run
Invoke through the `terminal` tool. Once installed:
```
SCRIPT=~/.hermes/skills/finance/stocks/scripts/stocks_client.py
python3 $SCRIPT quote AAPL
```
All output is JSON on stdout — pipe through `jq` if you want to slice it.
## Quick Reference
```
python3 $SCRIPT quote AAPL
python3 $SCRIPT quote AAPL MSFT GOOGL TSLA
python3 $SCRIPT search "Tesla"
python3 $SCRIPT history NVDA --range 6mo
python3 $SCRIPT compare AAPL MSFT GOOGL
python3 $SCRIPT crypto BTC ETH SOL
```
## Commands
### `quote SYMBOL [SYMBOL2 ...]`
Current price, change, change%, volume, 52-week high/low.
### `search QUERY`
Find tickers by company name. Returns top 5: symbol, name, exchange, type.
### `history SYMBOL [--range RANGE]`
Daily OHLCV plus stats (min, max, avg, total return %). Ranges: `1mo`,
`3mo`, `6mo`, `1y`, `5y`. Default: `1mo`.
### `compare SYMBOL1 SYMBOL2 [...]`
Side-by-side: price, change%, 52-week performance.
### `crypto SYMBOL [SYMBOL2 ...]`
Crypto prices. Pass `BTC` (the script appends `-USD` automatically).
## Pitfalls
- Yahoo Finance's API is unofficial. Endpoints can change or rate-limit
without notice — if requests start failing, that's why.
- `market_cap` and `pe_ratio` may return null on `quote` when Yahoo's
crumb session isn't established. Set `ALPHA_VANTAGE_KEY` to backfill.
- Add a small delay between bulk requests to avoid rate-limiting.
- This is read-only — no order placement, no account integration.
## Verification
```
python3 ~/.hermes/skills/finance/stocks/scripts/stocks_client.py quote AAPL
```
Returns a JSON object with `symbol: "AAPL"` and a numeric `price` field.
@@ -0,0 +1,531 @@
---
title: "Rest Graphql Debug — Debug REST/GraphQL APIs: status codes, auth, schemas, repro"
sidebar_label: "Rest Graphql Debug"
description: "Debug REST/GraphQL APIs: status codes, auth, schemas, repro"
---
{/* This page is auto-generated from the skill's SKILL.md by website/scripts/generate-skill-docs.py. Edit the source SKILL.md, not this page. */}
# Rest Graphql Debug
Debug REST/GraphQL APIs: status codes, auth, schemas, repro.
## Skill metadata
| | |
|---|---|
| Source | Optional — install with `hermes skills install official/software-development/rest-graphql-debug` |
| Path | `optional-skills/software-development/rest-graphql-debug` |
| Version | `1.2.0` |
| Author | eren-karakus0 |
| License | MIT |
| Tags | `api`, `rest`, `graphql`, `http`, `debugging`, `testing`, `curl`, `integration` |
| Related skills | [`systematic-debugging`](/docs/user-guide/skills/bundled/software-development/software-development-systematic-debugging), [`test-driven-development`](/docs/user-guide/skills/bundled/software-development/software-development-test-driven-development) |
## Reference: full SKILL.md
:::info
The following is the complete skill definition that Hermes loads when this skill is triggered. This is what the agent sees as instructions when the skill is active.
:::
# API Testing & Debugging
Drive REST and GraphQL diagnosis through Hermes tools — `terminal` for `curl`, `execute_code` for Python `requests`, `web_extract` for vendor docs. Isolate the failing layer before guessing at the fix.
## When to Use
- API returns unexpected status or body
- Auth fails (401/403 after token refresh, OAuth, API key)
- Works in Postman but fails in code
- Webhook / callback integration debugging
- Building or reviewing API integration tests
- Rate limiting or pagination issues
Skip for UI rendering, DB query tuning, or DNS/firewall infra (escalate).
## Core Principle
**Isolate the layer, then fix.** A 200 OK can hide broken data. A 500 can mask a one-character auth typo. Walk the chain in order; never skip a step.
```
1. Connectivity → can we reach the host at all?
1.5 Timeouts → connect-slow vs read-slow?
2. TLS/SSL → cert valid and trusted?
3. Auth → credentials correct and unexpired?
4. Request format → payload shape match server expectations?
5. Response parse → does our code accept what came back?
6. Semantics → does the data mean what we assume?
```
## 5-Minute Quickstart
### REST via terminal
```python
# Verbose request/response exchange
terminal('curl -v https://api.example.com/users/1')
# POST with JSON
terminal("""curl -X POST https://api.example.com/users \\
-H 'Content-Type: application/json' \\
-H "Authorization: Bearer $TOKEN" \\
-d '{"name":"test","email":"test@example.com"}'""")
# Headers only
terminal('curl -sI https://api.example.com/health')
# Pretty-print JSON
terminal('curl -s https://api.example.com/users | python3 -m json.tool')
```
### GraphQL via terminal
```python
terminal("""curl -X POST https://api.example.com/graphql \\
-H 'Content-Type: application/json' \\
-H "Authorization: Bearer $TOKEN" \\
-d '{"query":"{ user(id: 1) { name email } }"}'""")
```
**GraphQL gotcha:** servers often return HTTP 200 even when the query failed. Always inspect the `errors` field regardless of status code:
```python
execute_code('''
import os, requests
resp = requests.post(
"https://api.example.com/graphql",
json={"query": "{ user(id: 1) { name email } }"},
headers={"Authorization": f"Bearer {os.environ['TOKEN']}"},
timeout=10,
)
data = resp.json()
if data.get("errors"):
for err in data["errors"]:
print(f"GraphQL error: {err['message']} (path: {err.get('path')})")
print(data.get("data"))
''')
```
### Python (requests) via execute_code
```python
execute_code('''
import requests
resp = requests.get(
"https://api.example.com/users/1",
headers={"Authorization": "Bearer <TOKEN>"},
timeout=(3.05, 30), # (connect, read)
)
print(resp.status_code, dict(resp.headers))
print(resp.text[:500])
''')
```
## Layered Debug Flow
### Step 1 — Connectivity
```python
terminal('nslookup api.example.com')
terminal('curl -v --connect-timeout 5 https://api.example.com/health')
```
Failures: DNS not resolving, firewall, VPN required, proxy missing.
### Step 1.5 — Timeouts
Distinguish *can't reach* from *reaches but slow*:
```python
terminal('''curl -w "dns:%{time_namelookup}s connect:%{time_connect}s tls:%{time_appconnect}s ttfb:%{time_starttransfer}s total:%{time_total}s\\n" \\
-o /dev/null -s https://api.example.com/endpoint''')
```
In Python, always pass a tuple timeout — `requests` has no default and will hang forever:
```python
execute_code('''
import requests
from requests.exceptions import ConnectTimeout, ReadTimeout
try:
requests.get(url, timeout=(3.05, 30))
except ConnectTimeout:
print("Cannot reach host — DNS, firewall, VPN")
except ReadTimeout:
print("Connected but server is slow")
''')
```
Diagnosis: high `time_connect` is network/firewall; high `time_starttransfer` with low `time_connect` is a slow server.
### Step 2 — TLS/SSL
```python
terminal('curl -vI https://api.example.com 2>&1 | grep -E "SSL|subject|expire|issuer"')
```
Failures: expired cert, self-signed, hostname mismatch, missing CA bundle. Use `-k` only for ad-hoc debug, never in code.
### Step 3 — Authentication
```python
# Token validity check
terminal('curl -s -o /dev/null -w "%{http_code}\\n" -H "Authorization: Bearer $TOKEN" https://api.example.com/me')
# Decode JWT exp claim — handles base64url padding correctly
execute_code('''
import json, base64, os
tok = os.environ["TOKEN"]
payload = tok.split(".")[1]
payload += "=" * (-len(payload) % 4)
print(json.dumps(json.loads(base64.urlsafe_b64decode(payload)), indent=2))
''')
```
Checklist:
- Token expired? (`exp` claim in JWT)
- Right scheme? Bearer vs Basic vs Token vs `X-Api-Key`
- Right environment? Staging key on prod is a classic
- API key in header vs query param (`?api_key=…`)?
### Step 4 — Request Format
```python
terminal("""curl -v -X POST https://api.example.com/endpoint \\
-H 'Content-Type: application/json' \\
-d '{"key":"value"}' 2>&1""")
```
**Content-Type / body mismatch — the silent 415/400:**
```python
# WRONG — data= sends form-encoded, header lies
requests.post(url, data='{"k":"v"}', headers={"Content-Type": "application/json"})
# RIGHT — json= auto-sets header AND serializes
requests.post(url, json={"k": "v"})
# WRONG — Accept says XML, code calls .json()
requests.get(url, headers={"Accept": "text/xml"})
# RIGHT — let requests build multipart with boundary
requests.post(url, files={"file": open("doc.pdf", "rb")})
```
Common: form-encoded vs JSON, missing required fields, wrong HTTP method, unencoded query params.
### Step 5 — Response Parsing
Always inspect content-type before calling `.json()`:
```python
execute_code('''
import requests
resp = requests.post(url, json=payload, timeout=10)
print(f"status={resp.status_code}")
print(f"headers={dict(resp.headers)}")
ct = resp.headers.get("Content-Type", "")
if "application/json" in ct:
print(resp.json())
else:
print(f"unexpected content-type {ct!r}, body={resp.text[:500]!r}")
''')
```
Failures: HTML error page where JSON expected, empty body, wrong charset.
### Step 6 — Semantic Validation
Parsed cleanly — but is the data *correct*?
- Does `"status": "active"` mean what your code thinks?
- ID in response matches the one requested?
- Timestamps in expected timezone?
- Pagination returning all results, or just page 1?
## HTTP Status Playbook
### 401 Unauthorized — credentials missing or invalid
1. `Authorization` header actually present? (`curl -v` to confirm)
2. Token correct and unexpired?
3. Right auth scheme? (`Bearer` vs `Basic` vs `Token`)
4. Some APIs use query param (`?api_key=…`) instead of header.
### 403 Forbidden — authenticated but not authorized
1. Token has the required scopes/permissions?
2. Resource owned by a different account?
3. IP allowlist blocking you?
4. CORS in browser? (check `Access-Control-Allow-Origin`)
### 404 Not Found — resource doesn't exist or URL is wrong
1. Path correct? (trailing slash, typo, version prefix)
2. Resource ID exists?
3. Right API version (`/v1/` vs `/v2/`)?
4. Right base URL (staging vs prod)?
### 409 Conflict — state collision
1. Resource already exists (duplicate create)?
2. Stale `ETag` / `If-Match`?
3. Concurrent modification by another process?
### 422 Unprocessable Entity — valid JSON, invalid data
The error body usually names the bad fields. Check:
- Field types (string vs int, date format)
- Required vs optional
- Enum values inside the allowed set
### 429 Too Many Requests — rate limited
Check `Retry-After` and `X-RateLimit-*` headers. Exponential backoff:
```python
execute_code('''
import time, requests
def with_backoff(method, url, **kwargs):
for attempt in range(5):
resp = requests.request(method, url, **kwargs)
if resp.status_code != 429:
return resp
wait = int(resp.headers.get("Retry-After", 2 ** attempt))
time.sleep(wait)
return resp
''')
```
### 5xx — server-side, usually not your fault
- **500** — server bug. Capture correlation ID, file with provider.
- **502** — upstream down. Backoff + retry.
- **503** — overloaded / maintenance. Check status page.
- **504** — upstream timeout. Reduce payload or raise timeout.
For all 5xx: backoff with jitter, alert on persistence.
## Pagination & Idempotency
**Pagination.** Verify you're getting *all* results. Look for `next_cursor`, `next_page`, `total_count`. Two patterns:
- Offset (`?limit=100&offset=200`) — simple, can skip items if data shifts.
- Cursor (`?cursor=abc123`) — preferred for live or large datasets.
**Idempotency.** For non-idempotent operations (POST), send `Idempotency-Key: <uuid>` so retries don't double-charge / double-create. Mandatory for payments and orders.
## Contract Validation
Catch schema drift before it hits production:
```python
execute_code('''
import requests
def validate_user(data: dict) -> list[str]:
errors = []
required = {"id": int, "email": str, "created_at": str}
for field, expected in required.items():
if field not in data:
errors.append(f"missing field: {field}")
elif not isinstance(data[field], expected):
errors.append(f"{field}: want {expected.__name__}, got {type(data[field]).__name__}")
return errors
resp = requests.get(f"{BASE}/users/1", headers=HEADERS, timeout=10)
issues = validate_user(resp.json())
if issues:
print(f"contract violations: {issues}")
''')
```
Run after API upgrades, when integrating new third parties, or in CI smoke tests.
## Correlation IDs
Always capture the provider's request ID — fastest path to vendor support:
```python
execute_code('''
import requests
resp = requests.post(url, json=payload, headers=headers, timeout=10)
request_id = (
resp.headers.get("X-Request-Id")
or resp.headers.get("X-Trace-Id")
or resp.headers.get("CF-Ray") # Cloudflare
)
if resp.status_code >= 400:
print(f"failed status={resp.status_code} req_id={request_id} ts={resp.headers.get('Date')}")
''')
```
**Vendor bug-report template:**
```
Endpoint: POST /api/v1/orders
Request ID: req_abc123xyz
Timestamp: 2026-03-17T14:30:00Z
Status: 500
Expected: 201 with order object
Actual: 500 {"error":"internal server error"}
Repro: curl -X POST … (auth: <REDACTED>)
```
## Regression Test Template
Drop this into `tests/` and run via `terminal('pytest tests/test_api_smoke.py -v')`:
```python
import os, requests, pytest
BASE_URL = os.environ.get("API_BASE_URL", "https://api.example.com")
TOKEN = os.environ.get("API_TOKEN", "")
HEADERS = {"Authorization": f"Bearer {TOKEN}"}
class TestAPISmoke:
def test_health(self):
resp = requests.get(f"{BASE_URL}/health", timeout=5)
assert resp.status_code == 200
def test_list_users_returns_array(self):
resp = requests.get(f"{BASE_URL}/users", headers=HEADERS, timeout=10)
assert resp.status_code == 200
data = resp.json()
assert isinstance(data.get("data", data), list)
def test_get_user_required_fields(self):
resp = requests.get(f"{BASE_URL}/users/1", headers=HEADERS, timeout=10)
assert resp.status_code in (200, 404)
if resp.status_code == 200:
user = resp.json()
assert "id" in user and "email" in user
def test_invalid_auth_returns_401(self):
resp = requests.get(
f"{BASE_URL}/users",
headers={"Authorization": "Bearer invalid-token"},
timeout=10,
)
assert resp.status_code == 401
```
## Security
### Token handling
- Never log full tokens. Redact: `Bearer <REDACTED>`.
- Never hardcode tokens in scripts. Read from env (`os.environ["API_TOKEN"]`) or `~/.hermes/.env`.
- Rotate immediately if a token surfaces in logs, error messages, or git history.
### Safe logging
```python
def redact_auth(headers: dict) -> dict:
sensitive = {"authorization", "x-api-key", "cookie", "set-cookie"}
return {k: ("<REDACTED>" if k.lower() in sensitive else v) for k, v in headers.items()}
```
### Leak checklist
- [ ] **Credentials in URLs.** API keys in query strings end up in server logs, browser history, referrer headers — use headers.
- [ ] **PII in error responses.** `404 on /users/123` shouldn't reveal whether the user exists (enumeration).
- [ ] **Stack traces in prod.** 500s shouldn't leak file paths, framework versions.
- [ ] **Internal hostnames/IPs.** `10.x.x.x`, `internal-api.corp.local` in error bodies.
- [ ] **Tokens echoed back.** Some APIs include the auth token in error details. Verify they don't.
- [ ] **Verbose `Server` / `X-Powered-By`.** Stack-info leaks. Note for security review.
## Hermes Tool Patterns
### terminal — for curl, dig, openssl
```python
terminal('curl -sI https://api.example.com')
terminal('openssl s_client -connect api.example.com:443 -servername api.example.com </dev/null 2>/dev/null | openssl x509 -noout -dates')
```
### execute_code — for multi-step Python flows
When debugging spans auth → fetch → paginate → validate, use `execute_code`. Variables persist for the script, results print to stdout, no risk of token spam in your context:
```python
execute_code('''
import os, requests
token = os.environ["API_TOKEN"]
base = "https://api.example.com"
H = {"Authorization": f"Bearer {token}"}
# 1. auth
me = requests.get(f"{base}/me", headers=H, timeout=10)
print(f"auth {me.status_code}")
# 2. paginate
all_users, cursor = [], None
while True:
params = {"cursor": cursor} if cursor else {}
r = requests.get(f"{base}/users", headers=H, params=params, timeout=10)
body = r.json()
all_users.extend(body["data"])
cursor = body.get("next_cursor")
if not cursor:
break
print(f"users={len(all_users)}")
''')
```
### web_extract — for vendor API docs
Pull the spec for the endpoint you're debugging instead of guessing:
```python
web_extract(urls=["https://docs.example.com/api/v1/users"])
```
### delegate_task — for full CRUD test sweeps
```python
delegate_task(
goal="Test all CRUD endpoints for /api/v1/users",
context="""
Follow the rest-graphql-debug skill (optional-skills/software-development/rest-graphql-debug).
Base URL: https://api.example.com
Auth: Bearer token from API_TOKEN env var.
For each verb (POST, GET, PATCH, DELETE):
- happy path: assert status + response schema
- error cases: 400, 404, 422
- log a repro curl for any failure (redact tokens)
Output: pass/fail per endpoint + correlation IDs for failures.
""",
toolsets=["terminal", "file"],
)
```
## Output Format
When reporting findings:
```
## Finding
Endpoint: POST /api/v1/users
Status: 422 Unprocessable Entity
Req ID: req_abc123xyz
## Repro
curl -X POST https://api.example.com/api/v1/users \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer <REDACTED>' \
-d '{"name":"test"}'
## Root Cause
Missing required field `email`. Server validation rejects before processing.
## Fix
-d '{"name":"test","email":"test@example.com"}'
```
## Related
- `systematic-debugging` — once the failing API layer is isolated, root-cause your code
- `test-driven-development` — write the regression test before shipping the fix