"Convert Unicode to Characters" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?
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
API documentation drifts away from the running service, so consumers integrate against a contract nobody keeps. Routebase keeps API design, testing, mocking and documentation on one living source of truth, and this MCP server exposes that workspace to AI agents. Agents can design endpoints, write and run test suites, manage mock servers and publish documentation, always under the permissions of the connected Routebase account.
Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check.
MCP endpoint to APIbase catalog (https://apibase.pro/llms.txt). USDC: x402 Base, MPP Tempo.
What is known to be broken in an MCP server or API operation, with the check that found it.
MCP server that delivers up-to-date Bitrix24 REST API documentation.
TE / transfer-encoding token shape
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
always-seven MCP — wraps StupidAPIs (keyless — no credential needed)
ship-on-friday MCP — wraps StupidAPIs (keyless — no credential needed)
passive-aggression MCP — wraps StupidAPIs (keyless — no credential needed)
JSON Schema validation MCP.
chaos-index MCP — wraps StupidAPIs (keyless — no credential needed)
schrodingers-boolean MCP — wraps StupidAPIs (keyless — no credential needed)
npm MCP — wraps the npm Registry API (free, no auth)
JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)
corporate-apology MCP — wraps StupidAPIs (keyless — no credential needed)
