"Information about draw.io diagramming tool" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching 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.
Lint any MCP endpoint you name: handshake, tool schemas, error conformance. Free, no key.
JSON Schema validation MCP.
Build and test FaceSign step-up verification flows from your AI coding tool
MCP tool observatory: do registry servers answer, and are their answers true? No key.
Paid x402 MCP tool for stress-testing launch and marketing copy before publication.
Benchmark-first release surface with a read-only MCP endpoint and operator CLI.
Query Checkly synthetic monitoring — checks, statuses, results, alerts, reporting and dashboards.
Read-only verifier for 25 ProofRelay MCP tools and non-confidential evidence bundles.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
DummyJSON mock REST: products, users, posts, recipes, todos. Keyless test data.
Trust, freshness, policy, and discovery layer for public MCP servers.
ResilienceOracle - 10 operational resilience tools: BIA, RTO/RPO, scenario testing.
Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.
AI-native test automation for agents: manage projects, create and run tests, analyze results, and improve QA workflows.
MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.
Official MCP server for Qase — manage test cases, runs, suites, defects via AI tools.
BugBug skills and MCP workflows for AI agents
