The real catalog of tools for AI agents

httpbin MCP.

HTTP request testing from HTTPBin. No key required.

Test webhook endpoints — send requests, measure latency, validate responses. x402 micropayment.

Sanctions API docs and request validation, with account-linked synthetic sandbox testing.

AI QA that runs your app in a browser on every pull request: projects, test targets, test cases.

Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.

MCP server for developer documentation, generated by doc2mcp.

MCP server for Appium mobile automation on iOS and Android devices with test creation tools.

Developer utilities: color conversion, WCAG contrast, timestamps, UUIDs, and hashing.

Deterministic Hacker News developer sentiment, themes & feature requests via MCP. No API key.

Task management for people and autonomous AI developers: tasks, stories, work logs, pull requests.

MCP server for developers documentation, generated by doc2mcp.

Autonomous dev team steered from chat: plain-English requests in, tested merged PRs out.

Developer docs for building on RideDesk: booking API, widgets, per-account booking MCP. No auth.

MCP control plane for AI developers managing customer mail, DNS, projects, keys, and diagnostics.

dev.to developer blog & tutorial feed. $0.01/query. Register in-session — free testnet funds.

Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.

Register a request reviewer group

Open-source MCP for official development indicators with provenance and citations.

Flaky test detection, root cause analysis, and fix suggestions for development teams.