"A server for finding ways to organize data in Excel" matching MCP connectors:
Matching 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
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Discover, pay for, execute, and publish APIs through Apiosk.
Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.
Create hosted mock REST APIs as tools: seed fake data, import specs, query, write, snapshot. Free.
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
Deploy production REST APIs from JSON schemas in seconds. Manage projects, schemas, and deployments.
Verify x402 endpoints before payment or publish service profiles for agent discovery.
Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.
API governance for AI agents. Detects breaking changes, scores blast radius, blocks unsafe calls.
Cloudflare Workers MCP server: api-contract-validator
Cloudflare Workers MCP server: api-schema-drift-detector
Cloudflare Workers MCP server: interactive-api-playground
DummyJSON mock REST: products, users, posts, recipes, todos. Keyless test data.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
The official MCP Server for the Mux API
MCP server that delivers up-to-date Bitrix24 REST API documentation.