"Resources for Learning or Writing Code" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Contract-change authorization for AI agents: preflight a change to an API or MCP contract, get a signed decision, and verify the receipt offline. Only a granted change can proceed.
Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.
Deterministic preflight for FactoryTalk View tag and alarm CSV imports before re-import.
Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.
Signed declarations of HTTP API exchanges for agent handoffs. Free preparation and verification; receipt issuance costs 0.002 USDC via x402 on Base. Start and connect: https://datoka.dev/api. Signatures attest declared data, not independent truth.
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
Webhook, email, WebSocket and tunnel testing for AI agents: capture, wait, verify, replay.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
AI-Powered Java/Spring Boot code review API with Alipay AI Pay support.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Discovery registry for AI agents: 660+ APIs, MCP servers and CLIs, each health-checked every 6 hours with real requests — full initialize + tools/list handshakes for MCP, real calls for APIs — plus response-schema validation that catches responses which parse fine but are missing a required field.
Schema-aware API monitoring: diff OpenAPI specs for breaking changes, manage endpoints.
What is known to be broken in an MCP server or API operation, with the check that found it.
Free agent tests (no account or payment); paid ping.
Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.
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.
Webhook URLs for AI agents: receive, wait for, replay, sign and verify webhooks (Stripe, GitHub…).
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
