MCP server

Api Contract Validator

io.github.lazymac2x/api-contract-validator

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Cloudflare Workers MCP server: api-contract-validator

Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

5

Token cost

About 798 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http api-contract-validator https://api.lazy-mac.com/api-contract-validator/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.api-contract-validator]
url = "https://api.lazy-mac.com/api-contract-validator/mcp"

Gemini CLI

{"mcpServers":{"api-contract-validator":{"httpUrl":"https://api.lazy-mac.com/api-contract-validator/mcp"}}}

Cursor

{"mcpServers":{"api-contract-validator":{"url":"https://api.lazy-mac.com/api-contract-validator/mcp"}}}

VS Code

{"servers":{"api-contract-validator":{"type":"http","url":"https://api.lazy-mac.com/api-contract-validator/mcp"}}}

Antigravity

agy mcp add api-contract-validator https://api.lazy-mac.com/api-contract-validator/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"api-contract-validator","server_url":"https://api.lazy-mac.com/api-contract-validator/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"api-contract-validator","server_url":"https://api.lazy-mac.com/api-contract-validator/mcp"}

Tools

• check_breaking_changes ~120 tokens
  Compare two OpenAPI spec versions to detect breaking changes: removed paths/operations, new required parameters, removed response codes, operationId renames.
• diff_request_response ~273 tokens
  Compare a real HTTP request/response against an OpenAPI spec contract. Returns per-field violations.
• generate_mock_from_spec ~158 tokens
  Generate mock response data from an OpenAPI spec. Uses examples, defaults, formats, and type heuristics.
• lint_api_schema ~128 tokens
  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.
• validate_openapi_spec ~119 tokens
  Validate an OpenAPI 3.x or AsyncAPI spec JSON. Returns structural errors, missing required fields, and warnings.

Browse

• GitHub tools
• OpenAPI tools
• GitHub and code hosting
• Cloud and hosting
• APIs and testing

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