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Mu Puts 67 Real Internet Tools Behind a Single MCP Endpoint — and Runs the Infrastructure Rather Than Wrapping APIs
Mu, released as an AGPL-3.0 Go binary you can self-host or use hosted at micro.mu, exposes 67 tools — mail, web search, news, markets, weather, storage, a wallet — to agents through one MCP endpoint, and every tool is also a CLI subcommand. The differentiator is that it operates the underlying services instead of proxying third parties: mail_inbox reads a real SMTP inbox with DKIM signing, web_search queries an index Mu maintains itself, db_create writes to actual storage. That collapses the API-key sprawl and rate-limit juggling that currently makes agent tooling a per-integration subscription problem, and it is the clearest expression yet of MCP replacing point-solution integrations.
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