getMessage

Fetches a single Gmail message by ID with headers, decoded plain-text body, HTML body, and a list of attachments (metadata only). Use listMessages to discover message IDs.

SERVERClaude MCP x Google Docs SOURCEa-bonus/google-docs-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/a-bonus-google-docs-mcp/getmessage.md

WHAT IT DOES

What getMessage does on Claude MCP x Google Docs

AI agents call getMessage to retrieve information from Claude MCP x Google Docs without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why getMessage is rated Low

This tool only retrieves existing Gmail message data without creating, modifying, deleting, or executing anything. It has no side effects on the data or system. The blast radius of misuse is limited to unauthorized reading of message content, which is a confidentiality risk but not an operational or destructive one.

From the tool's definition Tool fetches a single Gmail message by ID and returns message data (headers, body, attachments metadata). The verb 'fetches' and the retrieval-only nature with no modification capability indicate this is a data retrieval operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs getMessage safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Claude MCP x Google Docs, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getMessage, this is the rule to start with:

getMessage Allowed

getMessage is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "getMessage": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Claude MCP x Google Docs, apply this rule, and every getMessage call is checked against it from then on.

FAQ

Questions about getMessage

What does the getMessage tool do? +

Fetches a single Gmail message by ID with headers, decoded plain-text body, HTML body, and a list of attachments (metadata only). Use listMessages to discover message IDs. It is categorised as a Read tool in the Claude MCP x Google Docs MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getMessage? +

Register the Claude MCP x Google Docs MCP server in PolicyLayer and add a rule for getMessage: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Claude MCP x Google Docs. Nothing to install.

What risk level is getMessage? +

getMessage is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit getMessage? +

Yes. Add a rate_limit block to the getMessage rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block getMessage completely? +

Set action: deny in the PolicyLayer policy for getMessage. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides getMessage? +

getMessage is provided by the Claude MCP x Google Docs MCP server (a-bonus/google-docs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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