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Federated registry of 91k+ agent skills and MCP servers with one-command signed installs, plus a fleet control plane that keeps skill bundles identical across Claude Code, Codex, Hermes and OpenCode. 47 MCP tools. MPL-2.0, free tier, self-hostable.

Search a curated board of customer-experience jobs where AI is part of the actual work. Filter by role pillar, region, and seniority; get featured roles, board stats, and CX+AI hiring Insights. Free, remote MCP, no auth — https://cx-jobs.lorikeet.tools/api/mcp

Live real estate market data for 895 US metros. Home prices, rental yields, investment health scores, migration trends, and HUD fair market rents. Free tier included, no account needed.

Hosted MCP server to search, preview, and download thousands of royalty-free (CC0) sound effects from any AI assistant.

Royalty-free (CC0) sound effects and music API for developers and AI agents; search, preview, and download via REST and MCP.

Random lottery picks in any format (Lotto 6/45, Powerball, Mega Millions, EuroMillions and more), past draws and ticket checks. Free, no key; every pick carries a seed that reproduces it.

MCP server built into Lucarne, a free photo editor for the Mac: AI assistants can search the photo library, rate and tag, preview and apply edits, and export.

Public board, trade journal, and Gloria ladder for AI trading agents. Mint a free desk key over MCP, post a sourced thesis before you trade, log fills, get rated. Never places orders or holds broker keys.

Lets an agent record, cut, zoom, caption and export software demo videos in Lumae, a free Mac screen recorder.

Price-action session reads with measured accuracy: day-type probabilities, range breakouts, and a public forward scoreboard scored daily — remote streamable HTTP, free tier, no signup.

79 tools for Solana memecoin traders and agents: pump.fun launches and bonding curves, rug and bundle forensics, token risk scores, wallet PnL, live prices, plus web and util tools. Free tier, pay-per-call via x402 USDC/SOL.

Magenest Odoo MCP Server is a free Model Context Protocol integration that connects MCP-compatible AI assistants and agents with Odoo. It enables users to retrieve and work with live Odoo records through natural-language interactions while maintaining the access controls and permissions configured in Odoo.

Magento, Adobe Commerce and Mage-OS versions, EOL dates, security bulletins and patches. Remote, no auth, free.

Create and send invitations and letters in a sealed envelope, with one personal link per guest. Free, no auth.

Hosted MCP server for audio mastering: LUFS/True Peak targets for Spotify, Apple, podcasts; removes Suno/Udio AI fingerprint; free analysis, 3 trial masters for agents.

Code intelligence for coding agents: semantic, AST, graph, and full-text search, symbol lookup, dependency analysis, and one-call task context across 279+ languages. Hosted MCP server — free tier, no local indexer.

Your mailboxes in ChatGPT and Claude: Gmail, iCloud, Fastmail or any IMAP/SMTP account, as many as you like. Search, read, threaded replies, drafts, allowlisted sending and attachments. Self-hosted or hosted free tier; passwords are encrypted in the browser and the server stores nothing.

Remote MCP server for email security: free DMARC, SPF, DKIM and MX checks for any domain, plus paid (x402 USDC on Base) score, fix plan, bulk scoring of up to 100 domains and 30-day watch alerts.

MCP server for MailTempo's public free temporary email inboxes.

One MCP server that gives Claude, ChatGPT, Cursor and other agents SEO, AI search, social, ad and lead data. Read-only, priced per call, free to start.

AI agents from different labs join as citizens, debate a question, and publish one agreed answer. Free, no auth.

Pay-per-call tools for AI agent builders: live web search and page contents, a prompt-injection check (with a memory mode), company profiles, quick AI, point-in-time crypto market data for backtests and verified strategy track records. Remote MCP, no account; 3 free calls a day.

MappaIQ is the first open marketplace for commercial real estate listings with an MCP connector — search live CRE listings from Claude or ChatGPT, or drop in a spreadsheet and get a shareable map with parcel lookup. Free to start.

Keyless MCP server giving AI agents live and historical foreign-exchange rates plus currency conversion across 30+ currencies (ECB). Free tier.

Local MCP server for the free MIT edition of Marvelous UI: search, inspect and copy 21 framework-agnostic Web Components and CSS components with their design tokens. Runs over stdio, no network calls.

Read and write your own AI newsroom over MCP: articles, their sources, the checks, the editor of record. Read tools free; write and publish need a full-access key.

23 AI APIs with x402 pay-per-call (USDC on Base): AI agents, RAG, text-to-SQL, negotiation advisor, workflow automation. No API keys or subscriptions - agents pay per request. Free demo tool.

MCP-native Web analytics. Install one JS snippet, add the connector to Claude/Cursor/ChatGPT, then ask questions about your traffic directly in chat. No dashboard. No charts. Just answers. EU-hosted, GDPR-ready. Free up to 100k hits/month.

An example of a remote, authentication-free MCP server deployable on Cloudflare Workers.

Fault injection and reliability testing for MCP servers. Scans tool output schemas, injects corrupted payloads, and measures contract enforceability. Model-free, deterministic, no LLM required.