Model Context Protocol
Founders OS: a self-hosted MCP server that gives your AI client your real business context #808
DougDimola
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I run a small consulting shop and kept hitting the same wall: my AI assistant was smart about code and useless about my actual business. It had no idea which clients owed me money, who I last talked to, evolving requirements, or what we decided three weeks ago.
So we built Founders OS. It is an open-source MCP server that puts CRM, financial ledger, and persistent memory behind one MCP connection. You point Claude, Cursor, or any MCP client at it and the assistant can finally reason across your business instead of one silo at a time.
The part that changed how I work is cross-domain reasoning. I ask one question like "which clients are behind on payment and when did I last contact them" and it reads the ledger and the CRM together and gives me a straight answer. No exporting, no copy-paste between tabs, no stitching it together myself.
We built it internally and have been using it and evolving it for the last several months. We Open Sourced it and released it to everyone last month.
It is self-hosted by design. It runs over stdio and the data lives in your own Postgres, so your customer list and revenue numbers stay in infrastructure you control instead of a third-party SaaS. For business data that mattered to me more than any single feature.
Newest addition is Checkpoints: save the state of a working session in one tool and resume it in another, so context carries across session and tool boundaries instead of getting retyped. Nice side effect is smaller context windows, since you resume from a compact checkpoint instead of replaying the whole transcript.
It is 100% open source and live today. Would genuinely like feedback from other people building on MCP, especially on the cross-domain query side and how you are handling persistent state.
Relevant Links
Site: https://foundersmcp.com/
Repo: https://github.com/OurThinkTank/founders-os
npm: @ourthinktank/founders-os
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