"Services or tools for transcribing audio or text" 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.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Deterministic preflight for FactoryTalk View tag and alarm CSV imports before re-import.
Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.
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.
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.
GXEON services, prepaid packs from R$0.99, purchase planning, and agent buyer guidance.
Webhook, email, WebSocket and tunnel testing for AI agents: capture, wait, verify, replay.
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.
Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).
What is known to be broken in an MCP server or API operation, with the check that found it.
Schema-aware API monitoring: diff OpenAPI specs for breaking changes, manage endpoints.
