"Automating Browser Operations with Scripting or Tools" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Retrieve YouTube transcripts with timestamps, native captions and asynchronous generation when captions are unavailable. Requires a Capslane API key.
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
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Test HTTP 429/503 retries and Retry-After with server-observed traces; share synthetic findings.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
Any API, four tools: discover, call with routing and signed receipts, verify, dispute.
Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.
Free agent tests (no account or payment); paid ping.
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
Your DRF API as MCP tools — 1,800 endpoints become 16 dispatchers, permissioned by Django.
Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.
If-None-Match star-or-etag, value discarded
ACAO star-or-origin, value discarded
Retry-After integer-or-date, value discarded
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools covering mailboxes, mails, attachments, domains, teams, and mock identities.
Check whether a URL can be opened. No browser is launched.
Deterministic JSON checks with signed evidence and x402-paid execution
Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).