"A guide to finding data in public databases" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.
Design quality gate for AI-generated UI: score any URL on 45 deterministic checks, A–F grade.
13 free MCP tools for generating synthetic test data, mock identities, color palettes, SVG avatars, placeholder text, slugs, hashes and random tokens. Built for AI agents, prototyping and software testing.
Website checker for AI coding agents. Measures your site in a real browser, with evidence.
32 free MCP tools for data validation, text optimization, and synthetic test data.
Translation, data quality, execution verification and agent utilities over MCP + x402 USDC on Base.
Grade MCP tool definitions for agent-readiness: score, A-F grade, fixes, est. token cost.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Disposable, receive-only email inboxes for AI agents. Create an address, wait for the verification email, and get the one-time code or magic link back as structured fields. Long-polling wait_for_email with sender and subject filters, attachments, sanitised HTML, and restore for later password resets. OAuth 2.1, hosted in the EU, cannot send email.
Free AI visibility check: can AI crawlers read a site, and do ChatGPT, Gemini, Perplexity cite it?
Independent second opinion on any AI answer: inaccuracies, gaps, and a scored report card.
Lints a phone voice agent prompt and platform config before real callers reach it.
A real Android phone in the cloud for MCP agents: observe the screen, act, reset to a saved state.
Validate JSON-LD structured data against the Schema.org vocabulary. Free; never fetches URLs.
Behind Second Look (preview): a shop's product page as clean data, source checks, price history.
32 free MCP tools for data validation, text optimization, and synthetic test data.
Security scans for AI-built web apps, starting with Lovable. Verify ownership, run authorized scans, inspect findings, get AI-ready fix prompts and request retests. Uses OAuth with a Guarita account. Fix prompt access follows the account plan.
QA platform for agents: coverage signals, in-repo test plans, verified tests and release governance.
Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.
Connect Claude, ChatGPT, Cursor or any MCP client to Ybug. Read bug reports with screenshots, console logs and network requests, then triage them in chat.
