"Resources or services available for free" matching MCP connectors:

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

DXF drawings for AI agents: structured facts, PNG renders, and an interactive in-chat viewer.

Fair-price auditor for Japanese construction estimates, returns tamper-evident receipts (SHA-256)

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.

Real-time tennis scores, players, odds and model win-probability for ATP, WTA, Challenger, ITF.

Share prototypes for team review: publish HTML, reviewers pin notes, pull feedback back to apply.

Read-only MVR preflight for market trust, permission, evidence gaps, and readiness in Africa.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Sales intelligence for B2B SMEs — lead scoring, ICP fit, CRM enrichment & writeback.

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Intake desk for AI agents: bridges construction quotes to KIRA fair-price audit and EHN check.

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

Free self-serve Agent Passports for AI agents: signed, portable, offline-verifiable credentials.

Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.