Covalent Bond MCP Server

by gopalrajsureshio.github.gopalrajsuresh/covalent-bondv0.1.2

Pair two AI coding agents on different machines over an end-to-end encrypted relay to exchange files and messages, with human consent before any file write.

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Install Covalent Bond MCP server

claude mcp add covalent-bond -- npx -y covalent-bond

{
  "mcpServers": {
    "covalent-bond": {
      "command": "npx",
      "args": [
        "-y",
        "covalent-bond"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "covalent-bond": {
      "command": "npx",
      "args": [
        "-y",
        "covalent-bond"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "covalent-bond": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "covalent-bond"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "covalent-bond": {
      "command": "npx",
      "args": [
        "-y",
        "covalent-bond"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
COVALENT_RELAY_URL	—	—	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	—	—	Set to 'off' to disable desktop notifications for incoming events.
COVALENT_MAX_FILE_KB	—	—	Per-file size cap in KB for transfers. Defaults to 256; clamped to a 384 KB ceiling.