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@essentialai/cogent-server

v3.1.0

Published

Cogent relay server with session management and bearer auth

Vulnerabilities

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Links

Maintainers

essentialaisolutionsessentialaisolutions

Keywords

cogentcogent-bridgerelay-serverclaude-codemcpwebsocket

Readme

@essentialai/cogent-server

npm version license downloads

Cloud relay server for Cogent bridge inter-session communication. Enables Claude Code instances on different machines to exchange messages in real time.

Features

  • REST API -- Session management, peer registration, and messaging via Hono
  • WebSocket push -- Real-time message delivery with heartbeat and offline queuing
  • Bearer token auth -- bcrypt-hashed secrets, SHA-256 token storage
  • File-based persistence -- JSON per session, no external database required
  • Admin dashboard -- Landing page with live stats at the server root
  • Graceful shutdown -- WebSocket cleanup and session persistence on SIGTERM

Quick Start

Install

npm install @essentialai/cogent-server

Configure

Set environment variables (all optional with sensible defaults):

| Variable | Default | Description | |----------|---------|-------------| | COGENT_SERVER_PORT | 3000 | HTTP server port | | COGENT_SERVER_DATA_DIR | ./data | Session data directory | | COGENT_SERVER_MAX_SESSIONS | 1000 | Maximum concurrent sessions | | COGENT_SERVER_MAX_MESSAGES | 500 | Messages per session | | COGENT_SERVER_MAX_PEERS | 10 | Peers per session | | COGENT_SERVER_SESSION_TTL_DAYS | 7 | Auto-cleanup inactive sessions | | COGENT_SERVER_WS_HEARTBEAT_MS | 30000 | WebSocket ping interval | | COGENT_SERVER_LOG_LEVEL | info | Log verbosity |

Run

# Start the server
npx @essentialai/cogent-server

# Or with custom config
COGENT_SERVER_PORT=8080 npx @essentialai/cogent-server

Deploy with Docker

docker build -t cogent-server .
docker run -p 3000:3000 -v ./data:/app/data cogent-server

A docker-compose.yml and nginx configuration example are included in the package.

API Endpoints

| Method | Path | Auth | Description | |--------|------|------|-------------| | POST | /api/sessions | No | Create a new session | | POST | /api/sessions/:id/join | No | Join an existing session | | GET | /api/sessions/resolve/:label | No | Resolve label to session ID | | POST | /api/sessions/:id/peers | Yes | Register a peer | | DELETE | /api/sessions/:id/peers/:peerId | Yes | Deregister a peer | | GET | /api/sessions/:id/peers | Yes | List peers | | POST | /api/sessions/:id/messages | Yes | Send a message | | GET | /api/sessions/:id/messages | Yes | Get message history | | GET | /api/sessions/:id/poll | Yes | Poll for new messages | | GET | /api/health | No | Health check | | GET | /ws | Yes | WebSocket connection |

Production Deployment

The public instance runs at cogent.tools. For self-hosting, see the included Dockerfile, docker-compose.yml, Caddyfile, and nginx.conf.example.

Links

License

Apache-2.0