"Y Combinator" matching MCP connectors:

Condition-aware ingredient & product safety intelligence for agents: verdict + evidence tier + per-claim evidence_state (cited = ≥1 verified citation / referenced = sourced-but-unverified) + citations, across breastfeeding, pregnancy, histamine/MCAS, rosacea, HS, allergy, fertility, and toddler lenses. Includes validate_claim to fact-check a free-text health claim against curated cited sources.

CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.

Secureship MCP gives AI assistants access to a multi-carrier shipping API covering rate comparison, label generation, package tracking, pickup scheduling, address book management, shipment history, customs documents, and more — across carriers like UPS, FedEx, Purolator, Canpar, and others. Browse 150+ live endpoint schemas, parameters, and auth details — always current, never stale.

Ingredient, supplement & food safety for agents: verdicts, recall checks, interactions, safer swaps

Spain legal MCP for visas, residency, Beckham Law, NIE/TIE, nationality, tax, tools, and handoff.

Real, calibrated Dota 2, Deadlock & Marvel Rivals win predictions, tier lists & counters.

Breach intelligence API: email search, domain monitoring, passwords and stealer logs.

DeFi pool yield+security intelligence & token/contract risk scanner. USDC on Base via x402.

M12 lens and C-mount lens finder with image-sensor matching and field-of-view calculator.

Mercado ganadero argentino: precios INMAG, remates, directorio, sanidad SENASA y buenas prácticas.

The prediction MCP — score your prompt before you generate, so you never waste a credit.

Query, join, profile, clean and convert CSV/JSON/Parquet with server-side DuckDB over MCP.

Excel analytics: inspect, query (JSON rows), charts, and JSON-to-xlsx workbook writing.

Hosted Chromium in mainland China: scripted actions, URL screenshots, print-to-PDF.

Generate PDF, Word (.docx) and PowerPoint (.pptx) documents from Markdown over MCP.

Hosted persistent memory with semantic search, importance and TTL for AI agents.

Web scraping to clean Markdown with JS rendering, multi-page crawl, structured extract, sitemaps.

Image toolkit: resize, compress, crop, watermark, convert, rotate, EXIF read/strip.

Parse PDF/Word/PPT/HTML to Markdown; tables as JSON, image extraction, RAG chunking, page ranges.

QR & barcode toolkit: generate, decode, vector SVG, logo QR, WiFi and vCard QR codes.