io.github.oasdiff/oasdiff

up checked 2026-11-11T12:37:51.030Z

Unclaimed · Unverified

Publisher-provided title

oasdiff

Publisher-provided description

Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.

Summary by lookupd

Compares two OpenAPI specs to detect breaking changes, produce changelogs and structural diffs, and validate a single spec.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http oasdiff https://api.oasdiff.com/mcp

Codex, remote (streamable-http)

codex mcp add oasdiff --url https://api.oasdiff.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "oasdiff": {
      "url": "https://api.oasdiff.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

oasdiff_breaking_changes Detect breaking API changes between two OpenAPI specifications. Pass the base (old) and revision (new) specs as YAML or JSON; returns the breaking and warning-l
oasdiff_changelog Produce a full changelog of every detected change between two OpenAPI specifications (base vs revision), down to informational changes. Pass both specs as YAML
oasdiff_diff Show the structural diff between two OpenAPI specifications (base vs revision): what was added, removed, or modified. Pass both specs as YAML or JSON. Use this
oasdiff_validate Validate a single OpenAPI specification against the OpenAPI and JSON Schema rules. Pass the spec as YAML or JSON; returns the findings (empty when the spec is v

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