API Development MCP Servers for Codex CLI

Fetch a URL and hand the model readable text

Figma designs as structured context

Step-by-step reasoning as a tool, hosted by mcprush

Cloudflare Workers MCP server: api-diff-monitor

Meaning of HTTP 408.

Evidence-first registry of real-world APIs for AI agents, with verified metadata and comparison.

GraphQL SDL definition count, body discarded

Meaning of HTTP 308.

GraphQL operation count, query discarded

Meaning of HTTP 431.

OpenAPI version key shape, body discarded

A read-only MCP (IT Integration Map) that returns information on the APIs, authentication, connection methods, and operational status of…

Cloudflare Workers MCP server: api-flow-analyzer

Cloudflare Workers MCP server: api-response-cost-analyzer

Meaning of HTTP 451.

End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.

Apideck Unified API MCP — 229 tools across 200+ SaaS connectors (accounting, HRIS, file storage).

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

Thrift field-id count, body discarded

Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.

API Blueprint group count, body discarded