Api Contract Validator

io.github.lazymac2x/api-contract-validator

Cloudflare Workers MCP server: api-contract-validator

healthy

status

tools exposed

1545ms

connect latency

712fd4986761

schema fingerprint

Tools (5)

validate_openapi_spec

Validate an OpenAPI 3.x or AsyncAPI spec JSON. Returns structural errors, missing required fields, and warnings.

diff_request_response

Compare a real HTTP request/response against an OpenAPI spec contract. Returns per-field violations.

lint_api_schema

Lint an API spec for quality and best practice compliance. Rules: operation-id-kebab-case, response-success-required, tags-defined, no-empty-description, security-defined.

generate_mock_from_spec

Generate mock response data from an OpenAPI spec. Uses examples, defaults, formats, and type heuristics.

check_breaking_changes

Compare two OpenAPI spec versions to detect breaking changes: removed paths/operations, new required parameters, removed response codes, operationId renames.

Endpoint

https://api.lazy-mac.com/api-contract-validator/mcp
Category: Other · Last checked: 2026-08-15T09:58:05Z

Monitor your own MCP server

Get alerted the moment yours goes down, a tool schema drifts, or an upstream silently breaks.

Get early access

How we measure →

What this means. This server responded to the MCP handshake and listed its tools without authentication. The schema fingerprint lets us flag if tool signatures silently change (schema drift) between checks.