"An explanation or resources about vectors (mathematics, physics, programming, or graphics)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
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.
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.
Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.
If-None-Match star-or-etag, value discarded
ACAO star-or-origin, value discarded
Retry-After integer-or-date, value discarded
Whether an HTTP status is retryable
Whether a token is an HTTP method
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools
Send every row of a dataset, file or Google Sheet to any REST API as its own templated request.
Simceptor is an AI-native Mock API simulation platform with a built-in MCP server. It enables AI agents to create, inspect, update, and test dynamic mock APIs, conditional response rules, stateful session simulations, and network latency directly from context.
AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf.
Gibs is a multi-regulation compliance API for developers building applications that need to reason about EU regulations. Classify AI systems under the EU AI Act, ask compliance questions about GDPR and DORA, and get source-cited answers with article-level traceability — all in one API call.