"A simple test or quiz" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
Search domain availability and pricing, and check if a domain can transfer in, from chat.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Real-time Booking.com rates for agents. Three things people do with this server. Scan for rate gaps: price_as_seen_from prices the same room from another market, so an agent can sample a property across countries and compare. Put live search in your app: search a destination or look a property up by name, no internal IDs, room-level rates as flat JSON. Run a 24/7 AI travel agent: add the server, sign in with Google, and schedule it. No ads, no sponsored content. You bring your own RapidAPI key, so every search is billed to your plan and never to anyone else's. Add https://hotels.flightpowers.com/mcp , click Sign in, sign in with Google, and paste your RapidAPI key once on the page that opens. Scripts and clients without a sign-in button send the key as x-rapidapi-key on the same URL.
Real-time Google Flights fares for agents. Three things people do with this server. Scan for deals: one call takes a date range and a list of destination airports, expands every combination server side, and returns each fare with Google's own low, typical or high verdict. Put live search in your app: flat JSON with a bookable link on every result, and round trips priced as paired legs. Run a 24/7 AI travel agent: add the server, sign in with Google, and schedule it. No ads, no sponsored content. You bring your own RapidAPI key, so every search is billed to your plan and never to anyone else's. Add https://flights.flightpowers.com/mcp , click Sign in, sign in with Google, and paste your RapidAPI key once on the page that opens. Scripts and clients without a sign-in button send the key as x-rapidapi-key on the same URL.
Checks if ChatGPT and Google AI Overviews cite your site for a keyword, and who they cite instead.
Reads and validates any European e-invoice a business receives — XRechnung, UBL, CII, ZUGFeRD/Factur-X PDF, Peppol BIS 3, FatturaPA, KSeF FA(3) — into canonical EN 16931 JSON with plain-language fix hints in EN/DE/PL/IT/FR, plus PDF, CSV and DATEV export. Nothing is stored; works without a key on a small daily quota.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Paste-your-data analytics: CSV profiling, A/B tests, correlation, growth. 4 of 7 free.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 17 tools.
Give your AI agent persistent, governed memory for every project. At task start it recalls the approved decisions, conventions, risks and architecture (semantic search, ranked by importance); at close it proposes what was learned as typed memories that you review and approve — governance, not a notes dump. Agents propose, humans govern: edits go back to pending and deletion is human-only by design. Connect Claude Code, Cursor, Claude Desktop or any MCP client in two minutes with just your API key — hosted (nothing to install) or locally via `uvx solucortex-mcp`. Built by SoluAI and dogfooded daily: SoluCortex is developed using its own living memory.
Vehicle routing, 3-D packing, cutting stock, rostering and knapsack with OR-Tools. 7 of 11 free.
Map-first global classifieds marketplace — search and post listings across jobs, real estate, vehicles, and services, on behalf of a signed-in user.
Onsite GEO visibility tests, score trends, sitemap discovery, and domain monitoring for AI agents.
Query core AI knowledge, essays, executable Labs, Homeric data and epistemic claims.
Never-stored live email: read, send, organize, schedule and auto-triage Gmail or any IMAP mailbox.
Multi-carrier shipping for AI agents: compare rates, buy labels, track packages, validate addresses