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2cfa-mcp
Go remote MCP server for lightweight edge devices such as Android Termux, small Linux VPS hosts, and Raspberry Pi systems. It bridges ChatGPT Web or remote agents to private devices through Cloudflare Tunnel or FRP, exposes shell and file tools plus system status, and adds optional conversational TOTP unlock with implicit lease tokens for remote sessions. Public GitHub repository created September 20, 2026.
MCP unverified
Integration
| Transport | sse |
| Auth | api-key |
| Endpoint | https://<YOUR-TUNNEL-DOMAIN>/mcp/<YOUR_AUTH_TOKEN>/sse |
| Install | git clone https://github.com/Syntheticlight/2cfa-mcp.git && cd 2cfa-mcp && cp .env.example .env && make build && ./scripts/daemon.sh start |
Use Cases
| 01 | Expose a private edge device to ChatGPT Web or another remote MCP client through a tokenized SSE URL |
| 02 | Require a conversational TOTP unlock and implicit lease token before allowing sensitive remote command or file operations |
| 03 | Run a lightweight Go MCP daemon on Android Termux, a small VPS, or Raspberry Pi where Node-based servers may be too heavy |
Tags
2fa totp chatgpt termux cloudflare-tunnel go edge-computing sse
Machine-readable: /api/servers.json
· JSON-LD schema embedded in <head>