headroom/server.json
Rod Boev e9e9cd55b7
feat(mcp): publish canonical server.json (#1510)
## Description

Headroom can launch its MCP server, but did not publish a canonical
`server.json` that registries and MCP hosts can consume directly. This
PR adds a shared descriptor builder, commits a root `server.json`,
parity-tests that artifact against the builder and existing runtime
spec, and updates docs so registry authors do not need to reconstruct
`headroom mcp serve` from prose.

Closes #929.

## Type of Change

- [ ] Bug fix (non-breaking change that fixes an issue)
- [x] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [x] Documentation update
- [ ] Performance improvement
- [ ] Code refactoring (no functional changes)

## Changes Made

- Added a shared `server_json.py` descriptor builder for Headroom MCP
publication metadata.
- Published a canonical root `server.json` and parity-tested it against
the builder.
- Encoded the publishable uvx contract as `headroom-ai[mcp]` plus
`headroom mcp serve`.
- Updated README and MCP docs to point registry authors at the canonical
descriptor.
- Added the README ownership marker used by MCP Registry verification.
- Kept existing registrars and `headroom mcp install` behavior
unchanged.

## Testing

- [x] Unit tests pass
- [x] Linting passes
- [x] Type checking passes
- [x] New tests added for new functionality when applicable
- [x] Manual testing performed

### Test Output

```text
Focused registry/server-json tests and reviewer approval were completed on this PR before the governance body cleanup. The current body update is documentation-only metadata for PR governance.
```

## Real Behavior Proof

- Environment: Headroom development checkout with MCP test dependencies.
- Exact command / steps: Inspected the generated `server.json` contract
and parity coverage against the descriptor builder and runtime MCP spec.
- Observed result: The committed descriptor matches the builder/runtime
contract and advertises the intended `headroom-ai[mcp]` / `headroom mcp
serve` launch path.
- Not tested: live publication to third-party registries

## Review Readiness

- [x] I have performed a self-review
- [x] This PR is ready for human review

## Additional Notes

This body was normalized by a maintainer after approval so the
governance parser reflects the already-reviewed PR state.
2026-07-14 13:25:29 -04:00

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JSON

{
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"name": "io.github.headroomlabs-ai/headroom",
"description": "Headroom MCP server for compression, retrieval, and stats in MCP-compatible hosts.",
"title": "Headroom",
"websiteUrl": "https://headroomlabs-ai.github.io/headroom/",
"repository": {
"url": "https://github.com/headroomlabs-ai/headroom",
"source": "github",
"id": "1129940957"
},
"version": "0.27.0",
"packages": [
{
"registryType": "pypi",
"registryBaseUrl": "https://pypi.org",
"identifier": "headroom-ai",
"version": "0.27.0",
"runtimeHint": "uvx",
"runtimeArguments": [
{
"type": "named",
"name": "--from",
"value": "headroom-ai[mcp]"
}
],
"transport": {
"type": "stdio"
},
"packageArguments": [
{
"type": "positional",
"value": "headroom"
},
{
"type": "positional",
"value": "mcp"
},
{
"type": "positional",
"value": "serve"
}
]
}
]
}