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The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

otterkit

Earlier Revision Publisher unverified Confidence: Good (0.85)

otterkit is an MCP server published by useotterkit, 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 otterkit support the current MCP specification (2026-07-28)?

Not yet confirmed. otterkit 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 otterkit a first-party (official) MCP server?

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

How do I connect to otterkit?

otterkit is available via the package npm:otterkit, the official MCP Registry under io.github.useotterkit/otterkit, the source repository at https://github.com/useotterkit/skill. Authentication: unknown. Transports: stdio.

Does otterkit support MCP revision 2025-11-25?

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

Does otterkit support MCP revision 2026-07-28?

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

When were otterkit's facts last verified?

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

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Which MCP spec revisions does otterkit support?

otterkit 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 otterkit?

Not ranked in The MCP 500: insufficient public data (coverage floor not met) (snapshot ). The Adoption Index measures public signals only; it says nothing about quality.

Repository and package signals for otterkit

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

Stars
0
Forks
0
Last pushed
(50 days ago)
Created
Open issues
0
Continuous integration
None detected
Tests
None detected
Security policy
None

Package (npm) as of

Latest version
0.47.0
Last published
First published
Releases
46
License (package)
MIT
Maintainers
1
Direct dependencies
7
Unpacked size
298 KB
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 io.github.useotterkit/otterkit at version 0.12.2 - lists package npm:otterkit and repository https://github.com/useotterkit/skill - accessed
  2. npm registry metadata for otterkit at published version 0.47.0, 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