The shipped MCP catalog (optional-mcps/) wasn't packaged, so `hermes mcp catalog` and the dashboard catalog screen come up empty on pip/Homebrew/Nix installs even though the manifests exist in the repo. The runtime expects a packaged catalog (get_optional_mcps_dir() -> _get_packaged_data_dir("optional-mcps"); list_catalog() returns [] when it's absent).
Ship it like locales: pyproject [tool.setuptools.data-files] for the wheel + a MANIFEST.in graft for the sdist. optional-mcps/ is nested (optional-mcps/<name>/manifest.yaml) and data-files flattens each glob into its target dir, so each catalog entry gets its own target to preserve the per-entry directory the catalog iterates over.
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