"Creating an Automation System Using n8n" 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.
Simulate cloud architectures before provisioning. 9 free demo tools; an API key unlocks all 62.
Uxia brings AI user testing, usability testing and UX research into ChatGPT. It helps product managers, UX designers, researchers and developers evaluate websites, interactive prototypes and digital product experiences using AI-simulated users. Explore potential usability problems, investigate friction in user journeys and use findings to guide product and design improvements.
Diagnose why an AI agent failed and get the verified fix instantly. Free, no token.
Drive real Android & iOS devices and web browsers from natural language for mobile + web QA. 290+ tools across device control, app management, automation sessions, browser automation, and flow recording / replay. Bearer-auth — get a token at robotactions.com → Profile → API Tokens.
Give AI assistants the context behind client website feedback. Read comments, screenshots, replies, element details, and developer briefs; organize priorities, update statuses, and export feedback from authorized projects. Coding agents with repository access can investigate issues and prepare fixes for review. Connect through Streamable HTTP and browser OAuth using a Simple Commenter account.
Generate synthetic random user data for testing, demos, and development without using real persona.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
Write Polyxd UI documents, check them, and show them as real screens in any design-system pack.
What is known to be broken in an MCP server or API operation, with the check that found it.
Machine-readable taxonomy of 100+ AI system failure modes spanning factuality, alignment, planning, code generation, and instruction following.
Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.
Pay-per-call MCP server. Vetted human experts review AI-generated content (text, images, video, audio, social posts), audit reasoning chains, run prepublish safety checks, and gate high-stakes actions for human approval. 7 paid tools at $1.00 each plus 4 free tools (list_offerings, list_expert_profiles, get_result, verify_certificate). Payment via x402, USDC on Base mainnet. Approved outputs receive an on-chain Taste content certificate downstream agents verify before consuming.
Probe a signup URL you own and score whether an AI agent can sign up unaided.
Resolve whether an uncertain side-effecting action completed before software retries it.
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Evidence-bound second-opinion audit of an agent conclusion against caller-supplied evidence.
AgentReady.market audit: can an AI shopping agent find, understand and BUY on this store? /100.
Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.