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Signal Messaging (via signal-cli)

io.github.joshuawowk/signal-mcp · version 1.0.1

Community listing. Not installed or verified by cosmic-mcp. Read the source and its permissions before you run it.

Send Signal messages and read replies through your own signal-cli JSON-RPC daemon (unofficial).

https://github.com/joshuawowk/signal-mcp

Quick facts

  • Listing: Community
  • Published Oct 20, 19:25 UTC
  • Transport: stdio
  • Package: oci ghcr.io/joshuawowk/signal-mcp:1.0.1
  • Listed by cosmic-mcp: Nov 10, 04:25 UTC
  • Repository: https://github.com/joshuawowk/signal-mcp
  • Needs settings: SIGNAL_SENDER SIGNAL_DEFAULT_RECIPIENT SIGNAL_RPC_URL SIGNAL_TCP_HOST SIGNAL_TCP_PORT SIGNAL_INBOX_PATH SIGNAL_POLL_INTERVAL SIGNAL_INBOX_RETENTION_DAYS

Chat and messaging

Setup snippets

Generated from the registry entry. cosmic-mcp has not run or reviewed this server; values in angle brackets are yours to fill in.

Run it locally (oci)

docker run -i --rm -e 'SIGNAL_DEFAULT_RECIPIENT' -e 'SIGNAL_INBOX_PATH' -e 'SIGNAL_INBOX_RETENTION_DAYS' -e 'SIGNAL_POLL_INTERVAL' -e 'SIGNAL_RPC_URL' -e 'SIGNAL_SENDER' -e 'SIGNAL_TCP_HOST' -e 'SIGNAL_TCP_PORT' 'ghcr.io/joshuawowk/signal-mcp:1.0.1'

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "signal-mcp": {
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "SIGNAL_DEFAULT_RECIPIENT",
        "-e",
        "SIGNAL_INBOX_PATH",
        "-e",
        "SIGNAL_INBOX_RETENTION_DAYS",
        "-e",
        "SIGNAL_POLL_INTERVAL",
        "-e",
        "SIGNAL_RPC_URL",
        "-e",
        "SIGNAL_SENDER",
        "-e",
        "SIGNAL_TCP_HOST",
        "-e",
        "SIGNAL_TCP_PORT",
        "ghcr.io/joshuawowk/signal-mcp:1.0.1"
      ],
      "command": "docker",
      "env": {
        "SIGNAL_DEFAULT_RECIPIENT": "<your signal default recipient>",
        "SIGNAL_INBOX_PATH": "<your signal inbox path>",
        "SIGNAL_INBOX_RETENTION_DAYS": "<your signal inbox retention days>",
        "SIGNAL_POLL_INTERVAL": "<your signal poll interval>",
        "SIGNAL_RPC_URL": "<your signal rpc url>",
        "SIGNAL_SENDER": "<your signal sender>",
        "SIGNAL_TCP_HOST": "<your signal tcp host>",
        "SIGNAL_TCP_PORT": "<your signal tcp port>"
      }
    }
  }
}

Claude Code

claude mcp add 'signal-mcp' -- docker run -i --rm -e 'SIGNAL_DEFAULT_RECIPIENT' -e 'SIGNAL_INBOX_PATH' -e 'SIGNAL_INBOX_RETENTION_DAYS' -e 'SIGNAL_POLL_INTERVAL' -e 'SIGNAL_RPC_URL' -e 'SIGNAL_SENDER' -e 'SIGNAL_TCP_HOST' -e 'SIGNAL_TCP_PORT' 'ghcr.io/joshuawowk/signal-mcp:1.0.1'

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "signal-mcp": {
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "SIGNAL_DEFAULT_RECIPIENT",
        "-e",
        "SIGNAL_INBOX_PATH",
        "-e",
        "SIGNAL_INBOX_RETENTION_DAYS",
        "-e",
        "SIGNAL_POLL_INTERVAL",
        "-e",
        "SIGNAL_RPC_URL",
        "-e",
        "SIGNAL_SENDER",
        "-e",
        "SIGNAL_TCP_HOST",
        "-e",
        "SIGNAL_TCP_PORT",
        "ghcr.io/joshuawowk/signal-mcp:1.0.1"
      ],
      "command": "docker",
      "env": {
        "SIGNAL_DEFAULT_RECIPIENT": "<your signal default recipient>",
        "SIGNAL_INBOX_PATH": "<your signal inbox path>",
        "SIGNAL_INBOX_RETENTION_DAYS": "<your signal inbox retention days>",
        "SIGNAL_POLL_INTERVAL": "<your signal poll interval>",
        "SIGNAL_RPC_URL": "<your signal rpc url>",
        "SIGNAL_SENDER": "<your signal sender>",
        "SIGNAL_TCP_HOST": "<your signal tcp host>",
        "SIGNAL_TCP_PORT": "<your signal tcp port>"
      }
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "signal-mcp": {
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "SIGNAL_DEFAULT_RECIPIENT",
        "-e",
        "SIGNAL_INBOX_PATH",
        "-e",
        "SIGNAL_INBOX_RETENTION_DAYS",
        "-e",
        "SIGNAL_POLL_INTERVAL",
        "-e",
        "SIGNAL_RPC_URL",
        "-e",
        "SIGNAL_SENDER",
        "-e",
        "SIGNAL_TCP_HOST",
        "-e",
        "SIGNAL_TCP_PORT",
        "ghcr.io/joshuawowk/signal-mcp:1.0.1"
      ],
      "command": "docker",
      "env": {
        "SIGNAL_DEFAULT_RECIPIENT": "<your signal default recipient>",
        "SIGNAL_INBOX_PATH": "<your signal inbox path>",
        "SIGNAL_INBOX_RETENTION_DAYS": "<your signal inbox retention days>",
        "SIGNAL_POLL_INTERVAL": "<your signal poll interval>",
        "SIGNAL_RPC_URL": "<your signal rpc url>",
        "SIGNAL_SENDER": "<your signal sender>",
        "SIGNAL_TCP_HOST": "<your signal tcp host>",
        "SIGNAL_TCP_PORT": "<your signal tcp port>"
      },
      "type": "stdio"
    }
  }
}

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