Crystalline

Verified Integration

Author: @jordiboehme•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Crystalline to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "crystalline": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-crystalline"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Provides local-first, durable memory for AI agents, enabling them to learn from structured Markdown Domains and capture new knowledge as Engrams through a unified Rust binary with CLI and MCP server capabilities.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Crystalline

Crystalline employs powerful hybrid text and semantic search. This allows for efficient discovery and retrieval of knowledge, even across thousands of units, by understanding both explicit keywords and the conceptual meaning of queries.

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