"Free things, offers, and resources" matching MCP connectors:

DXF and PDF/X-4 for AI agents: structured facts, PNG renders, an interactive in-chat viewer.

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

Enumerate and inspect PubFi capabilities, then execute an exact selected route.

Read-only MVR preflight for trust, permission, evidence gaps, and African market-entry readiness.

Australian AI governance framework mapped to the Privacy Act and sector laws your AI use triggers.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

Fifteen paid x402 and MPP tools for web data, settlement proof, audits, DeFi, and agent work.

IPStack MCP Adapter turns IPStack's REST APIs into Model Context Protocol tools so any MCP-compatible client can call them directly in conversation. The first release ships IPStack IP geolocation and security lookups (single IP, caller's IP, and bulk). Additional APILayer services are added by registering them in a single config file, so the catalog grows without client-side changes.

Fetch recent public X/Twitter posts by named handle for monitoring, comparison, OSINT, and research.

Exit-cost estimates, depth concentration, liquidity tiers, and sealed records; no commodity futures.

SEC dilution data, live market data, and news for U.S. equities, with point-in-time as-of queries

Find 76,000+ curated healthcare service vendors across 25 categories and all 50 US states.

SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.

US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

Free real-estate underwriting, no key or account. 6 strategies, stress tests, max offer.