// MCP TOOL REFERENCE

SIGNAL MCP TOOLS

3 tools from the Signal MCP MCP Server, categorised by risk level.

View the Signal MCP policy →
// ALL 3 SIGNAL MCP TOOLS
READ 1 tools
Read receive_message Wait for and receive a message using signal-cli.
WRITE 2 tools
Write send_message_to_group Send a message to a group using signal-cli. Write send_message_to_user Send a message to a specific user using signal-cli.

Route Signal MCP through PolicyLayer and every one of its 3 tools is checked against your policy before it runs.

CHECK YOUR STACK →

See every tool, the dangerous ones, and the token cost across your stack.

// FAQ
How many tools does the Signal MCP MCP server have? +

The Signal MCP MCP server exposes 3 tools across 2 categories: Read, Write.

How do I enforce policies on Signal MCP tools? +

Route the Signal MCP server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Signal MCP tools fall into? +

Signal MCP tools are categorised as Read (1), Write (2). Each category has a recommended default policy.

Enforce policy on every Signal MCP tool call.

Start from Signal MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

Free to start. No card required.

43,000+ MCP servers and 220,000+ tools scanned and risk-classified.

// GET IN TOUCH

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