"How to create websites using v0" 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.
Agentic code review, no signup to try: reality gates + frontier-model review, with veto.
Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.
DummyJSON mock REST: products, users, posts, recipes, todos. Keyless test data.
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.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).
MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.
Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health, and live SSE results.
Browser-backed QA with evidence and fix-ready reports for coding agents.
Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.
AI agent testing: replay real sessions against a rebuilt staging environment to catch regressions.
AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf.
## 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