Developer Builds MCP Memory Server That Uses Code, Not AI, to Validate Stored Facts

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A developer has published an open-source MCP memory server designed to prevent AI hallucinations from corrupting long-term memory storage. Unlike conventional systems where the language model decides what to remember, this server requires the model to submit a claim alongside a verbatim evidence quote, which deterministic code then validates before anything is stored. If a claim asserts more than the evidence supports, a rule-based gate rejects it outright with no room for persuasion or prompt manipulation. Each admitted memory is bound to a precise byte-range receipt tied to a document hash, allowing stored facts to be re-verified against the original source at any time. The project addresses a widely overlooked flaw in AI memory libraries, where the same model prone to hallucination is also trusted to manage what gets recorded as fact.

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