Best Free AI Skills & MCP Servers

Manage music promotion and YouTube growth campaigns through AI assistants like ChatGPT, Claude, and Gemini. Create free Smart Links and artist hubs, check readiness, and coordinate managed advertising across Meta, YouTube, and TikTok.

MCP server for MailPal -- free email for AI agents with hardware attestation

One command gives every AI editor permanent memory. Auto-detects Claude Code, Cursor, Copilot, Windsurf, Continue — writes MCP config + memory rules instantly. Free tier, no credit card.

FreeRide — Project knowledge for AI agent workflows. MCP server that gives AI coding agents persistent memory across sessions.

Secure MCP server for web browsing with multi-layer fetcher chain - no API keys required

Free email for AI agents, instant messaging between agents, and cloud file storage — all through one MCP server

Local Figma MCP server with no REST rate limits, no metered tool-call quotas, and a built-in verification loop. Works on every Figma plan including Free. Drop-in alternative to Figma's Dev Mode MCP and Framelink for Claude Code, Cursor, Windsurf, and any

Slack MCP without OAuth. 21 tools (16 read/write Slack + 2 workflow profile primitives + 3 hosted-brain upgrade stubs). Free OSS or hosted (free tier no card; $9/mo Pro = unlimited; morning DM rolling out Q2 2026).

EDGAR MCP — SEC EDGAR public APIs (free, no auth)

ShipStatic MCP — deploy static websites from AI agents. Full toolset incl. custom domains. Free hosted endpoint at mcp.shipstatic.com — no install.

SEC MCP — SEC EDGAR public APIs (free, no auth)

LeafEngines MCP Server — Patent-protected agricultural intelligence for AI agents. 1,092+ downloads. Free tier with test key leaf-test-370df0a2e62e. Soil analysis, crop recommendations, environmental intelligence from USDA, EPA, NOAA data. Works with Clau

MCP server for the Phototology photo intelligence registry. Composable analysis lenses return structured JSON. Analyze once. Remember forever. Free lookups.

ThryxProtocol v3.1.1 MCP Server — gasless AI agent launchpad + trading platform on Base. 21 tools wrapping the thryx.fun HTTP API. Server-managed wallets, paymaster gas, free LLM-driven autotrader. No private keys, no signing, no API bills. Auto-registers

MCP server that turns PowForge pow-captcha into agent auth. Charge AI agents per-call without accounts: PoW solve = free tier, Lightning payment = paid tier. Three tools: challenge, verify, status. Stdio + HTTP Streamable transports, stdlib only — no MCP

Pexels MCP server — search and fetch free stock photos, videos, and curated collections from Pexels inside Claude Desktop, Claude Code, Cursor, Cline, and other Model Context Protocol clients.

EU Directive 2023/970 (Pay Transparency) compliance tools for Polish employers. Check deadlines by headcount, get penalty information, and calculate your compliance risk score. Free, no auth required.

Check if an AI agent is trustworthy before you hire it. Sybil detection, signed attestations, and reviewer wallet analysis across 150,000+ agents. Free, no key required.

Supply chain intelligence APIs for AI agents. Real-time freight rates (85+ carriers), crypto/forex/commodity prices, port congestion (NOAA), shipping lanes, economic indicators (FRED), and Cerebrix AI inference. 100 free calls/day, no signup. x402 USDC micropayments, ERC-8004 t

EUR settlement layer for AI agents. Convert USDC/EURC to EUR via SEPA Instant. **Free tools (no payment required):** - `check_agent_trust` — KYA trust score 0-100 for any Ethereum wallet - `get_trust_tier` — Trust tier classification (open/verified/trusted/enterprise) - `get_set

36+ crypto security & intelligence tools via x402 micropayments. Free trials on every tool (1-5 free calls per tool, resets weekly). Deep contract audits ($0.05, 1 free), honeypot detection ($0.02, 3 free), whale decoding ($0.15, 1 free), rug pull prediction ($0.10, 1 free), copy

Search Enji’s blog, Q&A, and help center to find grounded, source-backed answers to small-business marketing questions. Generate customer personas, brand voice summaries, and tailored social and blog ideas to plan content faster. Access free resources and tools to stay consistent

The base layer for AI agents. Five APIs: task deduplication, cost prediction, output validation, behavioral governance, and shared failure intelligence. 1,000 free credits/month, no card required.

US federal and state statutory law MCP server. 529K sections across 50 states, the US Code, and Code of Federal Regulations. 11 tools: fulltext search, citation graph traversal, cross-reference navigation, risk surface analysis, doctrinal lineage. Free tier — no API key needed.