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Amnesic MCP Server

@SurajKGoyal

Repository

Basic information

Category

Databases

Transports

stdio

Author

SurajKGoyal

Submitted by

Suraj Goyal

About Amnesic MCP Server

Persistent semantic memory for SQL databases (Postgres, MySQL, MSSQL, SQLite). Annotate once, remember forever.

#database#sql#postgres#mysql#mssql#sqlite#memory#knowledge#annotations#claude#cursor

Amnesic MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "amnesic": {
      "command": "uvx",
      "args": [
        "--from",
        "amnesic[all]",
        "amnesic"
      ]
    }
  }
}

Amnesic MCP Server tools

9

List configured connections (no secrets)

All known tables with descriptions

BM25 search over table/column knowledge

Column schema merged with saved annotations

Execute a read-only SELECT

Persist semantic annotations (enum meanings, FKs)

Copy annotations between connections (staging → prod)

Discover all FK relationships from the live DB

Navigate the FK graph for JOIN planning

Overview

What is Amnesic?

Amnesic is an MCP server that provides persistent semantic memory for SQL databases, allowing AI sessions to retain knowledge about table schemas, enum meanings, and foreign key relationships across sessions. It is intended for developers and data professionals who want to avoid re-explaining database context when interacting with AI tools.

How to use Amnesic?

Install with pipx install amnesic and run amnesic init to set up connections. The server exposes nine MCP tools for listing connections, querying schemas, executing read‑only SELECT queries, annotating database semantics, and managing knowledge across connections.

Key features of Amnesic

  • Persistent SQLite knowledge store per database
  • Read‑only by design with two independent safety layers
  • Supports PostgreSQL, MySQL/MariaDB, SQL Server, and SQLite
  • Credentials never appear in tool responses
  • Nine MCP tools for schema, query, and annotation management

Use cases of Amnesic

  • Annotating enum values once so every future AI session sees the labels
  • Sharing database context across multiple AI tools or sessions
  • Copying semantic annotations from staging to production synchronously
  • Discovering foreign key relationships for automated JOIN planning

Frequently asked questions

1

How does Amnesic ensure queries are safe for production?

It uses two independent layers: static SQL analysis rejects any write/DDL statement before connecting, and every query runs inside a transaction that is immediately rolled back.

2

What databases does Amnesic support?

PostgreSQL, MySQL/MariaDB, Microsoft SQL Server, and SQLite.

3

Do credentials ever appear in tool responses?

No, credentials are never exposed in tool responses.

4

Can I copy annotations between environments?

Yes, the `db_sync_knowledge` tool copies annotations between connections (e.g., from staging to production).

5

Where is the semantic knowledge stored?

In a local SQLite knowledge store, one per database, that persists across sessions.

Comments

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