"Testing Library" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Generate synthetic random user data for testing, demos, and development without using real persona.
597 motion/3D UI patterns as ready HTML/CSS/JS, served over MCP. The entire library is free.
Honest library picks for coding agents in 25-360 tokens. Tells your agent what NOT to install.
Publish one HTML file, get a live installable app URL. No account, no review, no queue.
Describe what's going wrong with your AI; get the named technique both of you can read. No auth.
Search and read Rust documentation for the standard library and any crate on crates.io
Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.
Professional prompt library over remote MCP: 13 verticals, free discovery scope.
Medius docs: the binary control protocol, device behavior, and the medius Rust library.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
Create guides as MCP servers to instruct coding agents to use your software (library, API, etc).
MCPCalc gives agents access to a comprehensive library of calculators spanning finance, math, health, construction, engineering, food, automotive, and more. It includes a full Computer Algebra System (CAS) and a grid-based Spreadsheet calculator.
Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server
Give your AI agent design taste. Refero MCP connects your agent to a curated library of real product interfaces and user flows. It studies before it builds — and the output looks designed, not generated. https://refero.design/mcp
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP.
Enterprise-grade MCP server for AI prompt engineering. Generate expert-level prompts for 140+ AI platforms, score prompt quality across 16 dimensions with Prompt Score, and manage your personal prompt library (PromptDrive). Features OAuth 2.1 authentication, rate limiting, and interactive MCP Apps.
Hosted Streamable HTTP MCP endpoint for the Promethic prompt library.
Pull up-to-date, version-specific documentation and code examples for any library directly into Cursor, Claude Code, Windsurf, and other AI coding tools.
Search your team's shared AI-skill library, get install commands, and save skills from your agent.