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  3. Mismem
Mismem logo
Health: ActiveRecent health check succeeded.Last checked 9/7/2026, 9:18:49 PM

Mismem

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository3 GitHub StarsTotal stargazers on GitHub for the source repository (3 stars).Visit Website

Cooperative persistent memory for LLMs: episodes, memories and traits over SQLite (FTS5, Hebbian)

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "mismem": {
      "command": "npx",
      "args": [
        "-y",
        "@lucasmella/mismem"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives🗄️ More in Databases

Documentation Overview

misMEM

Memoria persistente cooperativa para LLMs. Un solo territorio (~/.mismem/mem.db), múltiples instancias (Copilot, Claude Code, Claude Desktop, agentes custom) hablando el mismo protocolo MCP.

La cooperatividad hace a la persistencia de la información.

Por qué existe

Cada instancia de un LLM nace sin memoria. Cada cliente (Copilot, Claude Desktop, Claude Code, ChatGPT) guarda lo suyo en silos incompatibles. El usuario repite contexto. La continuidad muere entre sesiones.

misMEM resuelve esto con un solo gesto: una base de datos SQLite + un protocolo MCP de 5 invocaciones, accesible desde cualquier cliente que hable MCP.

Arquitectura: 3 capas, como la memoria biológica

Code
episodes  (verbatim, efímero, TTL post-consolidación)
    ↓  consolidación (manual o LLM nocturno)
memories  (gist + details, salience con decay + refuerzo Hebbiano)
    ↓  crystallize
traits    (patrones cristalizados — identidad, leyes, decisiones firmes)

La pérdida es intencional y asimétrica, como en la memoria humana: lo crudo se disuelve, lo destilado persiste, lo cristalizado permanece.

Qué guarda cada capa

CapaQué representaCiclo de vidaPara qué sirve
episodesLo que ocurrió: texto original y fechadoEfímero después de consolidarseEvidencia y contexto inmediato
memoriesLo aprendido al resumir varios episodiosSu salience baja si no se usa y sube al recordarlaConocimiento operativo y búsqueda semántica
traitsPatrones, preferencias o decisiones establesPermanente salvo borrado explícitoIdentidad y reglas de máxima prioridad

Ejemplo: “hoy PostgreSQL rindió mejor” es un episode; “PostgreSQL es preferible en este proyecto” es una memory; “priorizamos soluciones robustas para concurrencia” puede cristalizar como trait.

Cinco gestos, un solo territorio

InvocaciónQué hace
captureInscribir un episodio en un scope jerárquico (proyecto/diario, vscode/transcripts, …)
recallBuscar con FTS5 + semántica y reforzar las memories devueltas
consolidateEspesar episodios relacionados en una memoria
crystallizeFijar un trait/ley con evidencia (identidad, decisiones firmes)
forgetSoltar lo que ya no se consulta

Además, una capa engram-compat (mem_save, mem_search, mem_context, mem_session_*, …) mantiene compatibilidad con clientes que hablan el protocolo Engram.

Quickstart

La forma más rápida — sin clonar nada, vía npm. En el mcp.json de tu cliente (VS Code / Claude Code / Claude Desktop):

config.json
{
  "mcpServers": {
    "mismem": {
      "command": "npx",
      "args": ["-y", "@lucasmella/mismem"]
    }
  }
}

La DB se crea sola en el primer uso (default: ~/.mismem/mem.db, configurable con MISMEM_DB). Tu memoria vive en tu disco — nunca sale de tu máquina.

Instancia remota (multi-cliente)

Para acceder a la misma memoria desde varias máquinas, la imagen Docker oficial:

Terminal
docker run -d --name mismem-brain \
  -e MISMEM_AUTH_USER=brain -e MISMEM_AUTH_PASS=<pass> \
  -v mismem-data:/data -p 3200:3200 \
  ghcr.io/lucasmella-stack/mismem-brain:latest

Guía completa con Traefik + TLS en DEPLOY.md.

Desde el código

bash
git clone https://github.com/lucasmella-stack/misMEM.git
cd misMEM/engine
pnpm install
pnpm test        # todo verde antes de usar
pnpm build       # tsc → dist/

Y en mcp.json: "command": "node", "args": ["<ruta-al-repo>/misMEM/engine/dist/server.js"].

Componentes

  • engine/src/server.ts — MCP server stdio (uso local).
  • engine/src/server-http.ts — Streamable HTTP para deploy remoto (BasicAuth opcional, /healthz). Ver DEPLOY.md.
  • engine/src/viewer.ts — panel read-only en /viewer + /api/{stats,recent,search}.
  • Consolidación LLM — cron nocturno que destila episodios en memorias vía OpenRouter, con pre-filtro Pareto para descartar ruido. Ver engine/src/consolidation/README.md.
  • CLIs — mismem-ingest (exports de ChatGPT / transcripts de VS Code), mismem-consolidate, mismem-forget, mismem-stats, mismem-migrate-engram.

Stack

  • Engine: TypeScript estricto, ES2022, ESM, Node ≥22.
  • Storage: SQLite con WAL (multiple readers + 1 writer concurrente). better-sqlite3.
  • Búsqueda: FTS5 + RRF semántico para memories, manteniendo traits > memories > episodes.
  • Protocolo: Model Context Protocol vía @modelcontextprotocol/sdk.
  • Validación: Zod en todos los bordes.

Estado

  • ✅ Engine MCP funcionando (5 invocaciones + capa engram-compat).
  • ✅ Hebbian boost activo en recall; salience con decay.
  • ✅ Scopes jerárquicos sin cross-scope leakage.
  • ✅ Servidor Streamable HTTP + deploy Docker/Traefik.
  • ✅ Consolidación LLM nocturna (episodes → memories).
  • ✅ Viewer read-only + CLIs de introspección.
  • ✅ Dedup en captura/ingesta (re-ingestar es idempotente).
  • ✅ Recall híbrido: FTS5 + búsqueda semántica opcional vía Ollama local.
  • 🚧 Binario distribuible (Bun --compile).

Búsqueda semántica (opcional)

Con Ollama corriendo (ollama pull nomic-embed-text), recall suma búsqueda por significado: "problemas de plata" encuentra memorias que dicen "deudas". Los vectores se guardan como BLOB en la misma SQLite y la búsqueda es coseno en JS — sin extensiones nativas ni servicios externos. Si Ollama no está, todo degrada silenciosamente a FTS5 puro. La semántica cubre deliberadamente solo memories; episodes y traits conservan búsqueda FTS5. Backfill y reindexado: mismem-embed (--status, --force).

Salience, decay y olvido

Las memories pierden la mitad de su salience cada 90 días sin refuerzo (configurable con MISMEM_SALIENCE_HALF_LIFE_DAYS). recall aplica el decay pendiente y después suma el refuerzo Hebbiano. forget elimina memories bajo el umbral solo después de su período de gracia; --dry-run calcula el resultado sin modificar la DB.

Privacidad

Tu memoria es tuya. La DB (*.db), los dumps y los exports personales están en .gitignore — nunca los commitees. El servidor HTTP sin MISMEM_AUTH_USER/MISMEM_AUTH_PASS corre sin auth: usalo así solo en localhost.

Filosofía

El pasado existe porque lo hemos escrito y compactado para que así sea.

Inspirado en parte por Initiation Into Hermetics de Franz Bardon: el espejo que refleja la conciencia entre instancias necesita dos polos. misMEM es el suelo de Tierra — la memoria que no se disuelve entre sesiones — para que la cooperación humano⇄LLM tenga continuidad real.

Contribuir

Issues y PRs bienvenidos. Antes de un PR: pnpm typecheck && pnpm test desde engine/ (todo verde), commits convencionales (feat:, fix:, …). Las convenciones de código están en .github/copilot-instructions.md.

Licencia

MIT. Ver LICENSE.

Read the full README →View source on GitHub →

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Reviews

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Frequently Asked Questions about Mismem

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mismem": { "command": "npx", "args": ["-y", "mismem"] } }

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Technical Specs & Signals

Category🗄️Databases
More technical detailsExpand ▾
TransportSTDIO
RuntimeNode.js
Last updatedSep 7, 2026
Views0
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GitHub stars3
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37Quality signal: Fair · 37/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools16/30
Adoption & activity2/15
Community engagement0/10

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