Acheron
Shared persistent memory across Claude Chat, Code, and Cowork.
┌───────────┐ ┌───────────┐ ┌───────────┐
│ Chat │ │ Code │ │ Cowork │
└─────┬─────┘ └─────┬─────┘ └─────┬─────┘
│ │ │
└────────┬────────┴────────┬─────────┘
│ │
┌─────▼─────────────────▼─────┐
│ Acheron MCP │
│ ┌───────────────────────┐ │
│ │ ~/.acheron/bridge.db │ │
│ └───────────────────────┘ │
└─────────────────────────────┘
Local · No cloudSave a decision in Chat. Retrieve it in Cowork. Search for it from Code. All local, all offline, zero configuration.
Install
Claude Desktop (recommended)
This connects Acheron to all surfaces — Chat, Code, Cowork, and Dispatch. This is the recommended setup for full cross-surface bridging.
Open Claude Desktop → Settings → Developer → Edit Config, then add:
{
"mcpServers": {
"acheron": {
"command": "npx",
"args": ["-y", "acheron-mcp-server"]
}
}
}Restart Claude Desktop.
Claude Code only
If you only need Acheron in Claude Code (terminal / IDE):
