MCP servers for ChatGPT

X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.65

Verify a company on GLEIF LEI and SEC EDGAR, screen sanctions. No key; quota-free data.

AI claim verification MCP endpoint with x402 payments and stealth web fetch

Check whether an email address is real and will accept mail before you send to it.

Real-time RFC 5322 email verification, SPF/DMARC DNS audits & B2B leads (x402 Base USDC).

Privacy-preserving file proofs on Solana. Files are hashed locally. Currently free, no API key.

Hallucination validator and factual grounding checker for LLM outputs.

For employers: how a job posting compares with the market nearby, by competitor; hiring reports.

Live US jobs from employers' own career sites, still-open checks, competitive hiring reports.

Data by municipality near Barcelona and Madrid: €/m², IBI, rent, minutes. Every figure sourced

Real-time social media and prediction market integrity layer for traders, funds, and quant desks.

Product management, public changelog, and feature requests - 60 lean MCP tools.

Latest versions, LTS windows, and EOL dates for 300+ products. Fresh ground truth for stale models.

Enrich leads, generate prospect lists, and validate emails using Versium's B2B2C identity graph.

Pitch reviews for agencies: a prospect against its local rivals, 90-day plan, draft ads. Read-only.

Wind, temperature, pressure, humidity and air density at chosen heights, from NOAA GFS.

Pre-trade safety check for AI agents: honeypot, tax, liquidity and rug risk before you buy.

Find vets, emergency animal hospitals, and pet supplies via your AI assistant.

Swiss company-register intelligence: new GmbHs by canton, shared addresses, UID history, SHAB text

Veterans benefits and VA claims reference: VA disability ratings, compensation rates, 38 CFR search

See your vet clinic's free slots, vets, service prices, payments and how busy each day is.