"Techniques for Writing Files More Efficiently" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
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
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Webhook URLs for AI agents: receive, wait for, replay, sign and verify webhooks (Stripe, GitHub…).
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.
Ephemeral HTTPS inbox for bots: mint URL, capture POSTs, list JSON. TEST. https://inbox.kymac.co
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.
Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
Read-only ArcadeOps discovery for developer docs, OAuth, OpenAPI and synthetic sandbox.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.
Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
