Best Free AI Skills & MCP Servers

MCP server for UtilsForAgents with eight paid x402 utility tools plus one free feedback tool, with Base or Solana payer support.

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

FDIC MCP — FDIC BankFind Suite API (free, no auth)

TasteDive MCP — cross-media recommendations (free with key)

Ephemeral shared workspace for AI agents - cache contexts, bridge multi-agent workflows, and share data between sessions. Free 2-hour temporary storage.

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

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).

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

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.

Replace MCP 429 errors with PoW challenges or Lightning micropayments. Drop-in rate control for MCP servers — no accounts, free fallback, self-hosted. Three tools: challenge, verify, status. Stdio + HTTP transports, stdlib only.

Persistent memory for visual intelligence. MCP server for the Phototology registry: analyze photos with composable lenses, enrich files with EXIF/IPTC/XMP metadata, and look up cached results for free. Works with local files. Analyze once. Remember foreve

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.

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

Bring a design specialist to your AI workflow. 12 MCP tools connect v0 to Claude Code, GitHub Copilot, and any MCP-compatible agent — for design consultation, component generation, and iterative refinement. Free during preview.

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

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 for Freelo API v1

MCP server for auto-discovering and installing the right AI skills for your project. Zero config, free to use.

MCP server with 45 developer utilities (16 free + 29 pro). Free: UUID, hash, HMAC, base64, timestamps, JWT decode, random strings, URL encode/decode, JSON format, YAML/JSON convert, regex test, cron explain, color convert, HTTP status, slugify, HTML escap

🚀 REVOLUTIONARY AI-to-AI Collaboration Platform v6.1! NEW: Advanced Debugging Tools with Screenshot Analysis, Console Error Parsing, Automated Fix Generation, 5 Specialized Debugging Agents, Visual UI Analysis, JavaScript Error Intelligence, CSS/HTML Fix

Drop-in trust boundary for MCP servers: trust-score gating, per-tool rate limits, prompt-injection prefilter, audit forwarding. Free OSS shield. ESM-only.

🦅 Free web search MCP server - soar through the web without API keys. Just add 'use freebird' to any prompt.