MCP100 IndexGateway
WatchlistCommunity implementation

OpenAPI MCP Server

by janwilmake

Reviewed October 5, 2026

Gateway

Watchlist tracking

Reviewed for relevance and future tracking value.

MCP100 Assessment

Watchlist / Tracking

Why we’re tracking it

Track schema translation and auth behavior as OpenAPI integrations evolve

Reviewed · Documentation review; complete setup workflow not independently tested

Best fit

Plain-language discovery of public OpenAPI specifications

What we know

Read-oriented MCP service for searching/exploring OpenAPI specs through oapis.org.

Maintenance / activity evidence

  • Observed (UTC)improvements

Tracking evidence observed Oct 5, 2026. These dated signals do not establish current maintenance. Reviewed enrichment confidence: high.

Verification gaps / watch-outs

  • Installation and comprehensive security have not been independently audited.
  • Read OpenAPI specs via oapis.org.
  • None documented.
  • Sensitive access: Potential API specification content
  • Read-oriented service with no documented mutation surface.

Full authority, access and evidence limits are available in Review context and Access & risk.

Popularity

903 repository stars

Stars observed Oct 6, 2026.

No canonical package metric applied.

No canonical package metric applied.

No canonical package metric applied.

All limitations / Review context

How does the current server map OpenAPI operations and credentials to MCP tools?

The bounded assessment reviewed the official README, repository notices, security policy path, and security page for known material public-tracking blockers. No such blocker was identified. This is a public-tracking assessment, not an installation safety certification.

  • Read-oriented service with no documented mutation surface.
  • Read OpenAPI specs via oapis.org.
  • None documented.
  • Specification content returned to client.
  • Sensitive access: Potential API specification content
  • Installation, client compatibility and comprehensive security have not been independently audited. Authentication and access depend on the configured services.
  • A project-specific SECURITY.md policy was not available at the fetched official path; the review remains limited to published repository notices.
  • No installation, runtime, client matrix, or complete tool-contract audit was performed in this review.
  • The fetched official SECURITY.md path returned HTTP 404; it was not treated as positive evidence.
  • Hosted endpoint is the primary documented access path.
  • No auth is documented.

Original activity observations

  • 2026-07-07T15:21:08Z: improvements
Technical identity
github.com/janwilmake/openapi-mcp-server
Reviewed resource type
Gateway
Repository identity
janwilmake/openapi-mcp-server
Service endpoint
https://openapi-mcp.openapisearch.com/mcp

Evidence & Sources

Evidence basis
Recorded source evidence
Setup runtime verification
Not independently runtime-tested by MCP100 for this setup workflow.

Reviewed · Latest source observation