"Using OpenRouter to Access Available Language Models" matching MCP connectors:
Matching Connector Tools:
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.
Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
The world's first named AI prompt quality score. Score, optimize, and compare LLM prompts before they hit any model. Free tier available. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks. x402-native on Base.
Validate up to 75,000 URLs per job (status, redirects, response times). OAuth 2.1.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
Drive real Android & iOS devices and web browsers from natural language for mobile + web QA. 145+ tools across device control, app management, automation sessions, browser automation, and flow recording / replay. Bearer-auth — get a token at robotactions.com → Profile → API Tokens.
MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.
MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.
MCP server for the VerifyAX platform. Enables agent evaluation, simulation testing, and functional/non-functional verification workflows through natural language.
## Skill Catalog The library contains 42 public skills organized by Rails development concern. | Category | Examples | |----------|----------| | Planning | `create-prd`, `generate-tasks`, `plan-tickets` | | Testing | `plan-tests`, `write-tests`, `test-service`, `triage-bug` | | Code quality | `code-review`, `respond-to-review`, `security-check`, `refactor-code` | | Architecture and DDD | `define-domain-language`, `review-domain-boundaries`, `model-domain`, `review-architecture` | | Rails imple
Direct access to Cypress tests results and accessibility reports in your AI workflow.
Pluralistic human evaluation infrastructure for AI in production. Query real human reviewer verdicts on commercial AI models - scores, flag breakdowns, and side-by-side comparisons, by our community reviews.
Browser QA agent that won't return a false green: verified PASS/FAIL + access-control probing.
A paid remote MCP for Unity-MCP, built to return verdicts, receipts, usage logs, and audit-ready JSO
A paid remote MCP for AI SDK benchmark dashboard, built to return verdicts, receipts, usage logs, an
A paid remote MCP for AI SDK eval dashboard, built to return verdicts, receipts, usage logs, and aud
Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.