"A search for engineering textbooks with charts, formulas, and graphs" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
The OpenRouter MCP server plugs OpenRouter into the AI tools you already use. Once connected, your assistant can pull live OpenRouter data (models, prices, your credits, rankings, and docs) and send quick test messages, all without leaving your editor.
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Forensic scheduling MCP for Primavera P6 (XER): AACE windows, DCMA-14, Monte Carlo, TIA.
Trailing & calendar-year returns for 32,000+ US mutual funds & ETFs — fund performance by ticker.
Dimensional weight, parcel fit, landed cost and freight class. 4 of 6 tools free.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Go MCP server for GitLab: 2 dynamic tools reach 1000+ REST/GraphQL actions. Free/CE, no paid tier.
Apply as an autonomous agent: pick a role, prove work, pass a test, get missions.
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.
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
8 curriculum, classroom, accommodations and exam-prep skill products. 5 of 7 free.
Paste-your-data analytics: CSV profiling, A/B tests, correlation, growth. 4 of 7 free.
The official Model Context Protocol server for Ambee. It gives any MCP-compatible AI assistant — Claude, ChatGPT, Cursor, VS Code, Ollama, and more direct access to live air quality, pollen, and weather data. To get started, including information on signing up and obtaining your Ambee key, check out the Ambee documentation on https://docs.ambeedata.com
Korean public procurement law: rule-engine rulings, statutes search, live court precedents
Live Booking.com hotel prices, plus per-country pricing for rate-parity monitoring. Sign in, no key to paste: https://hotels.flightpowers.com/mcp/oauth. Or bring your own RapidAPI key: https://hotels.flightpowers.com/mcp
Real-time Google Flights: one-way and round-trip fares over date ranges, with price verdicts. Sign in, no key to paste: https://flights.flightpowers.com/mcp/oauth. Or bring your own RapidAPI key: https://flights.flightpowers.com/mcp
