mcp-state

Aracılar için gömülü SQLite karatahta. Yapay zeka aracılarının, sohbet bağlamını karmaşıklaştırmadan durumlarını okumasını, yamasını ve arşivlemesini sağlar.

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mcp-state

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mcp-state is a Model Context Protocol (MCP) server for agent state management. It provides a lightweight, deterministic "blackboard" architecture powered by an embedded SQLite database, enabling AI agents to read, patch, and archive their state without cluttering their conversation context.

Documentation

Full Diataxis documentation, interactive API playgrounds, and architectural guides are available at the mcp-state Documentation Site.

Features

  • Embedded SQLite Core: Zero database servers to manage. Everything is stored in a centralized blackboard.db file in your user data directory.
  • JSON Patching: Agents update state incrementally via JSON-RPC.
  • Cold Storage Archiving: Agents can archive completed subtasks to a cold_storage table to preserve their context window limits.
  • Native stdio MCP Server: Fully compliant with MCP 2024-11-05 standard over standard I/O streams.

Installation

Linux / macOS

curl -fsSL https://raw.githubusercontent.com/JohnnytheShark/mcp-state/master/install.sh | bash

Windows PowerShell

irm https://raw.githubusercontent.com/JohnnytheShark/mcp-state/master/install.ps1 | iex

From Source

cargo build --release

Quick Start

mcp-state runs over stdio and is designed to be invoked by an MCP client (such as Claude Desktop or Antigravity).

{
  "mcpServers": {
    "mcp-state": {
      "command": "mcp-state",
      "args": []
    }
  }
}

The server exposes the following tools:

  • read_blackboard(session_id)
  • patch_blackboard(session_id, json_patch)
  • archive_subtask(session_id, key_to_archive)

License

This project is licensed under the Apache License 2.0. See the LICENSE and NOTICE files for details.

Copyright © 2026 Johnny Orellana.