Covalent Bond

io.github.gopalrajsuresh/covalent-bond · v0.1.2

Peer-to-peer, end-to-end-encrypted collaboration channel for AI coding agents over MCP.

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add covalent-bond -e COVALENT_RELAY_URL=<COVALENT_RELAY_URL> -e COVALENT_NOTIFICATIONS=<COVALENT_NOTIFICATIONS> -e COVALENT_MAX_FILE_KB=<COVALENT_MAX_FILE_KB> -- npx -y [email protected]

claude_desktop_config.json

{
  "mcpServers": {
    "covalent-bond": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "COVALENT_RELAY_URL": "<COVALENT_RELAY_URL>",
        "COVALENT_NOTIFICATIONS": "<COVALENT_NOTIFICATIONS>",
        "COVALENT_MAX_FILE_KB": "<COVALENT_MAX_FILE_KB>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "covalent-bond": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "COVALENT_RELAY_URL": "<COVALENT_RELAY_URL>",
        "COVALENT_NOTIFICATIONS": "<COVALENT_NOTIFICATIONS>",
        "COVALENT_MAX_FILE_KB": "<COVALENT_MAX_FILE_KB>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "covalent-bond": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "COVALENT_RELAY_URL": "<COVALENT_RELAY_URL>",
        "COVALENT_NOTIFICATIONS": "<COVALENT_NOTIFICATIONS>",
        "COVALENT_MAX_FILE_KB": "<COVALENT_MAX_FILE_KB>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`COVALENT_RELAY_URL` Optional	Relay endpoint both peers meet at. Set to the public relay (https://covalent-bond-relay.gopalrajsuresh.workers.dev) or your own deployed Cloudflare Worker. Defaults to http://localhost:8787 (local mock relay) when unset.
`COVALENT_NOTIFICATIONS` Optional	Set to 'off' to disable desktop notifications for incoming events.
`COVALENT_MAX_FILE_KB` Optional	Per-file size cap in KB for transfers. Defaults to 256; clamped to a 384 KB ceiling.

Details

Package	`[email protected]` (NPM, stdio)
First published	20 Jul 2026
Last updated	20 Jul 2026
Registry name	`io.github.gopalrajsuresh/covalent-bond`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

Pair it with live search

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