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ktzr-memory

by apiotrowski-afk
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Python
Hybrid

claude-legal-persistent-memory-pl

MCP server providing persistent memory for AI legal assistants — remember facts between sessions, recall them with full-text search. Built for Polish law practice, works with any Claude deployment.

Part of the KTZR AI ecosystem.

⚠️ Security — protect your endpoint

Never expose this server without authentication. The /mcp endpoint gives any caller full read/write access to your memory database (client data, negotiation positions, case facts).

Recommended guards — pick one or combine:

Method

How

Secret token in URL

Deploy behind a reverse proxy that requires /mcp/<secret> and strips it before forwarding

IP allowlist

Cloud Run → --ingress=internal-and-cloud-load-balancing + Cloud Armor policy

VPC + IAP

Route through Identity-Aware Proxy; requires Google account auth

Cloud Run auth

Remove --allow-unauthenticated; use Authorization: Bearer $(gcloud auth print-identity-token) in the MCP connector

This repo ships with no auth by default (URL obscurity only) — suitable for local/testing use. Add a guard before any production deployment.

Related MCP server: @contextable/mcp

Tools

Tool

Description

remember(content, category, case_ref?, tags?)

Store a note in long-term memory

recall(query, category?, case_ref?, limit?)

Full-text AND search across stored notes

list_categories()

Summary of stored notes by category

Categories: klient · negocjacje · klauzule · ryzyka · precedensy · misc

Quick start (local, SQLite)

pip install .
legal-memory          # starts stdio transport — no server, no auth needed

Add to Claude Code (~/.claude/mcp.json):

{
  "legal-memory": {
    "type": "stdio",
    "command": "legal-memory"
  }
}

Local stdio mode never exposes a network port — no auth required.

Cloud Run deployment

# Build and deploy
gcloud run deploy claude-legal-memory \
  --source . \
  --region europe-west4 \
  --set-env-vars DATABASE_URL="postgresql+asyncpg://user:pass@/db?host=/cloudsql/project:region:instance" \
  --allow-unauthenticated   # ← add a guard here in production

# Connect Claude Code
# .claude/mcp.json:
# {
#   "legal-memory": {
#     "type": "http",
#     "url": "https://<your-cloud-run-url>/mcp"
#   }
# }

Configuration

Env var

Default

Description

DATABASE_URL

sqlite+aiosqlite:///legal_memory.db

Database connection string

PORT

8080

HTTP port (Cloud Run sets this automatically)

The server auto-detects the transport:

  • K_SERVICE or PORT set → streamable-http (Cloud Run / remote)

  • Neither set → stdio (local — recommended for single-user setups)

Database

Works with SQLite (local, zero config) and PostgreSQL (production).

Backend

URL format

SQLite

sqlite+aiosqlite:///legal_memory.db

PostgreSQL

postgresql+asyncpg://user:pass@host/dbname

Cloud SQL

postgresql+asyncpg://user:pass@/dbname?host=/cloudsql/project:region:instance

Related

  • commercial-legal-pl — Polish commercial law skill for Claude (uses this server for persistent memory)

  • legal-cite-pl — MCP server for verifying Polish & EU legal citations

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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