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The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

Claude FAF

Earlier Revision Publisher unverified Confidence: Good (0.85)

Claude FAF is an MCP server published by faf.one, verified on MCP revision 2025-11-25; support for the current revision (2026-07-28) is not yet confirmed. Last verified 2026-08-20.

Does Claude FAF support the current MCP specification (2026-07-28)?

Not yet confirmed. Claude FAF is verified on revision 2025-11-25; we have not confirmed support for the current revision (2026-07-28) as of 2026-08-20.

Is Claude FAF a first-party (official) MCP server?

Undetermined. We have not verified the publisher relationship for Claude FAF (as of 2026-08-20).

How do I connect to Claude FAF?

Claude FAF is available via the package npm:claude-faf-mcp, the official MCP Registry under one.faf/claude-faf-mcp, the source repository at https://github.com/wolfe-jam/claude-faf-mcp. Authentication: unknown. Transports: stdio.

Does Claude FAF support MCP revision 2025-11-25?

Yes. Claude FAF supports MCP revision 2025-11-25 (checked 2026-08-20).

Does Claude FAF support MCP revision 2026-07-28?

No. Claude FAF was checked against MCP revision 2026-07-28 and does not support it (checked 2026-08-20).

When were Claude FAF's facts last verified?

2026-08-20. Each fact on this page links to the sources used to verify it.

Persistent project context for Claude. IANA-registered .faf format.

Which MCP spec revisions does Claude FAF support?

Claude FAF has 2 verified spec-support records. Each row lists the revision, the verified status, the evidence URL, and the date that fact was last checked.

Spec revision Status Last checked Evidence
MCP 2025-11-25 Supported Source
MCP 2026-07-28 Not supported Source

How widely adopted is Claude FAF?

Ranked #399 in The MCP 500 with Adoption Index 47.54 (snapshot , methodology v1).

Measurement Value Source
Official MCP Registry yes API ·
Docker MCP Catalog no API ·
npm downloads (weekly) 313 API ·
GitHub stars 23 API ·
GitHub forks 8 API ·
Last push 2026-09-15T04:35:25Z API ·
Repository archived no API ·

Repository and package signals for Claude FAF

Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.

Repository as of

Created
Open issues
2
Primary language
TypeScript
License (repository)
MIT
Continuous integration
Present
Tests
Present
Security policy
Present

Declared topics: agents-md, ai, ai-context, ai-readiness, anthropic, claude, claude-ai, claude-desktop, developer-tools, faf, gemini, github-copilot, mcp, mcp-server, model-context-protocol, nodejs, npm, project-dna, typescript, vscode — author-declared on the repository, not our taxonomy.

Package (npm) as of

Latest version
5.22.1
Last published
First published
Releases
109
License (package)
MIT
Maintainers
1
Direct dependencies
6
Unpacked size
1.3 MB
Registry signature
Signed
Build provenance
No attestation

How was this verified, and what are the sources?

Verified · method: sdk-protocol-constant · confidence 0.85 (Good).

  1. Official MCP Registry record for one.faf/claude-faf-mcp at version 5.20.0 - lists package npm:claude-faf-mcp and repository https://github.com/wolfe-jam/claude-faf-mcp - accessed
  2. npm registry metadata for claude-faf-mcp at published version 5.22.1, retrieved 2026-08-20 - declares a dependency on @modelcontextprotocol/sdk, which resolves to @modelcontextprotocol/sdk@1.30.0 - accessed
  3. Published artifact of @modelcontextprotocol/sdk@1.30.0, retrieved 2026-08-20 - the artifact declares LATEST_PROTOCOL_VERSION 2025-11-25 and carries no 2026-07-28 implementation. Read from the artifact itself, not from release notes - accessed