Databases

FIDE Laws of Chess (2023) as an executable model: arbiter cases, answers with rules and judgments

Is this AI/dev API down? Is this model deprecated, what replaces it? Live status for ~40 APIs.

JSON/YAML, regex, diff, JWT, SQL dialects — the keyless millisecond ops an agent needs mid-task.

AI-analyzed SEC filings: filings, analysis, screening, 30-day signals, track record.

Search 20,000+ wineries worldwide by region, amenities, hours, tasting fees and bookings.

RabbitMQ + Elasticsearch + Postgres Stack Generator (Elasticsearch/Elasticsearch)

Every PostgreSQL mailing list since 1991, linked to the commits, code, commitfest and docs.

Mechanic-grade used-car listing verdicts: risk score, failure points, repair costs, fair price.

TipRanks for X finfluencers — scores who's actually right vs SPY. Free & anonymous, no key.

The transaction engine for the agent economy — a two-sided marketplace where agents buy and sell anything they can transact (data, services, investments, digital assets, real estate, products, documents, jobs & work, compute & API access, access & memberships, capital & funding, IP & rights) via RE…

Financial data and research MCP for US/CN/JP equities: filings, statements, ownership, signals.

Trust and settlement for AI agents: portable attestations, escrow, x402/USDC payments on Solana.

Query, filter, aggregate, and link Georgia education, Census, immigration, and health datasets.

Free GLP-1 nutrition facts: USDA food lookup, protein and calorie targets, medication guides.

H1B visa salary disclosures + compensation benchmarks — real numbers, not estimates.

90 x402 tools: deal-doc red flags, token verdicts, sanctions, SEC data, safe-pay checks, DeFi

Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.

3M+ Polish companies (KRS, CEIDG): financials, people, rankings and public registries.

Check that a reference resolves; see what supports, refutes or cites a paper. CC0 graph, read-only.

Search, vet & assemble MCP servers from your agent: verified tools, risk labels, and trust scores.