API Development MCP Servers for Codex CLI

33 tools, 30 US federal data domains. Ed25519 signed, provenance chains, entity graph. Free.

Lets AI clients explore OpenAPI schemas.

Model Context Protocol server for GraphQL schemas

HTTP request echo from Postman Echo. No key required.

Webhooks for AI agents: send events, manage endpoints, inspect and retry deliveries.

MCP server for making HTTP requests and managing API collections

Universal MCP server that generates tools from any OpenAPI specification

Trust & reliability data for x402 endpoints before your agent pays them.

HTTP request testing from HTTPBin. No key required.

Search the SwaggerHub API registry for public API definitions. No key required.

Detect API breaking changes, scan your codebase for impact, and draft the fix. Runs locally.

A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.

Apisix is an MCP server that runs on your own machine, started by your client over stdio.

Model Context Protocol server for hookwarden — exposes the scan_handler tool so AI coding agents (Claude Code, Cursor, Continue, Anthropic

Test objects from restful-api.dev. No key required.

Live tennis scores, players, rankings, odds and win-probability. ATP, WTA, Challenger, ITF, juniors.

MCP server for Bruno CLI integration - Execute API tests through Model Context Protocol

MCP server for 1ly.store - Discover and pay for APIs with AI agents

AI-powered web scraping and data extraction capabilities through ScrapeGraph API

MCP server for managing Apidog test cases, scenarios, suites, and test data

MCP server for local speech translation (EN ↔ 中文) via Whisper + Claude + Piper