get_raw_message

SERVERTrekMail MCP Server SOURCEtrekmail/mcp-server

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/trekmail-mcp-server/get-raw-message.md

WHAT IT DOES

What get_raw_message does on TrekMail MCP Server

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

RISK

Why get_raw_message is rated Low

This tool retrieves and decodes an existing message's raw RFC822 source without modifying, deleting, or executing operations. It is purely informational and has no side effects on the email system or data. The blast radius of misuse is minimal—an attacker could read message headers and content they might already have access to, but cannot alter, delete, or take financial actions.

From the tool's definition Tool name is 'get_raw_message' and description states 'Get the full RFC822 raw source of a message'. The verb 'Get' and the phrase 'retrieve' functionality indicate data retrieval with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_raw_message safely

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

get_raw_message Allowed

get_raw_message 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": {
    "get_raw_message": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect TrekMail MCP Server, apply this rule, and every get_raw_message call is checked against it from then on.

FAQ

Questions about get_raw_message

What does the get_raw_message tool do? +

Get the full RFC822 raw source of a message, including all headers. Useful for debugging delivery issues, analyzing headers, or forwarding as .eml. The API transports the source base64-encoded (raw_base64); this tool decodes it into a. It is categorised as a Read tool in the TrekMail MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_raw_message? +

Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for get_raw_message: 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 TrekMail MCP Server. Nothing to install.

What risk level is get_raw_message? +

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

Can I rate-limit get_raw_message? +

Yes. Add a rate_limit block to the get_raw_message 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 get_raw_message completely? +

Set action: deny in the PolicyLayer policy for get_raw_message. 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 get_raw_message? +

get_raw_message is provided by the TrekMail MCP Server MCP server (trekmail/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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