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100
MCP live MCP 2026-07-28 streamable-http

oasdiff

io.github.oasdiff/oasdiff

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

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
100.0%
5 direct probes · 30d
Response
280ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://api.oasdiff.com/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
4 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
4 items in total; 3 or more earns these points.
pass Describes itself 10/10
79 characters; more than 30 earns these points.

Tools · 4

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-level changes. Use this when the question…

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 or JSON. Use this when you want the comp…

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 when you want the raw structural changes…

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 valid). Use this when you have one spec a…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "oasdiff": {
      "url": "https://api.oasdiff.com/mcp",
      "transport": "streamable-http"
    }
  }
}