Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.
Connect Remote server
claude mcp add --transport http oasdiff https://api.oasdiff.com/mcp
{
"mcpServers": {
"oasdiff": {
"url": "https://api.oasdiff.com/mcp"
}
}
}
{
"servers": {
"oasdiff": {
"type": "http",
"url": "https://api.oasdiff.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://api.oasdiff.com/mcp
Tools 4 found in our last check
oasdiff_breaking_changesDetect 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 is whether an API change breaks existing clients. Use oasdiff_changelog instea…
oasdiff_changelogProduce 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 complete set of changes at every severity. Use oasdiff_breaking_changes instead whe…
oasdiff_diffShow 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 rather than a backward-compatibility verdict. Use oasdiff_breaking_changes to…
oasdiff_validateValidate 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 and want to check it is well-formed. For comparing two specs, use oasdiff_breaki…
Details
| Endpoint | https://api.oasdiff.com/mcp (Streamable HTTP) |
| First published | 16 Jun 2026 |
| Last updated | 16 Jun 2026 |
| Registry name | io.github.oasdiff/oasdiff |
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