"Free APIs and services without commercial fees" matching MCP connectors:
Matching Connector Tools:
LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.
Search 10,000+ consulting frameworks, templates, financial models, and management case studies
Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.
400+ pay-per-call tools + 100 skill packs. USDC on 8 chains, or free via PoW.
Savvly MCP: query fund data, model projections, and compare against alternative retirement products.
Route crypto data needs through PubFi capability and gateway tools.
First German florist with a public MCP server. Search bouquets and order flowers via AI in Munich.
Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM
31Generate and read PDFs for AI agents: a generate_pdf and a read_pdf tool, priced per document.
Is a Japanese construction or renovation quote fair? Audits homeowner quotes against an open 65,729-item cost database (JCCDB), flags overcharge tactics, and drafts awareness content. Neutral third party, no referral fees, verifiable (SHA-256).
Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.
Scan public websites for privacy, cookie, tracker, consent, policy, and disclosure risk signals. Start instantly with zero-auth Light mode—no account or API key required.
Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.
Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting
Search 30,000+ decided U.S. security-clearance (DOHA) decisions: cases, outcomes, statistics, and timelines, with a citable link for every answer. CASE is the searchable public record of DOHA industrial security-clearance decisions from 1996 to the present, refreshed nightly.
Portable identity, authority, trust receipts, and Vault secrets before sensitive AI actions.
Trust layer for AI agents: signed delegation decisions, passports, and 16 verified guest tools.
Design, save, and run outcome-aligned AI workflows and verifiers, with reliable image output.
A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.