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claude-code

Asi signal-messaging

Send and receive Signal messages via MCP. Use this skill when you need to interact with Signal messenger - sending messages, reading conversations, or automating Signal-based workflows.

install
source · Clone the upstream repo
git clone https://github.com/plurigrid/asi
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/plurigrid/asi "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/signal-messaging" ~/.claude/skills/plurigrid-asi-signal-messaging-e0b448 && rm -rf "$T"
manifest: skills/signal-messaging/SKILL.md
source content

Signal Messaging via MCP

Interact with Signal messenger through the local MCP server.

Setup

The Signal MCP server is configured in 

~/.mcp.json
:

{
  "signal": {
    "command": "cargo",
    "args": ["run", "--release", "--example", "signal-server-stdio"],
    "cwd": "/Users/alice/signal-mcp",
    "env": {
      "RUST_LOG": "signal_mcp=info"
    }
  }
}

Prerequisites

  1. Clone and build the signal-mcp server:

    cd /Users/alice/signal-mcp
cargo build --release --example signal-server-stdio

  2. Register/link your Signal account with the server

Usage

Use 

read_mcp_resource
to interact with Signal:

{"server": "signal", "uri": "signal://..."}

Capabilities

  • Send messages to contacts or groups
  • Read incoming messages
  • List conversations
  • Handle attachments

Troubleshooting

  • Ensure the server starts: 
    cargo run --release --example signal-server-stdio
  • Check logs: 
    RUST_LOG=signal_mcp=debug
  • Verify Signal account is registered/linked
  • Restart Amp after config changes