add_content · ContextForge MCP Gateway MCP: Risk & Policy

WHAT IT DOES

What add_content does on ContextForge MCP Gateway

AI agents use add_content to create or update resources in ContextForge MCP Gateway — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ContextForge MCP Gateway environment.

WHY IT NEEDS A POLICY

Why add_content needs a policy

This tool modifies a LaTeX document by adding content to it. This is a reversible change (content can be edited or removed), placing it in the Write category. Severity is medium because misuse could corrupt or pollute a document with malicious LaTeX code (e.g., shell escapes, malicious macros), but the impact is limited to the document itself and does not affect external systems, finances, or involve destructive…

From the tool's definition Tool name 'add_content' and description 'Add content to a LaTeX document' indicate creation or modification of document content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_content Rate-limited

add_content stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_content": {
      "limits": [
        {
          "counter": "add_content_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches ContextForge MCP Gateway, so you can run agents against it safely.

FAQ

Questions about add_content

What does the add_content tool do? +

Add content to a LaTeX document. It is categorised as a Write tool in the ContextForge MCP Gateway MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_content? +

Register the ContextForge MCP Gateway MCP server in PolicyLayer and add a rule for add_content: 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 ContextForge MCP Gateway. Nothing to install.

What risk level is add_content? +

add_content is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_content? +

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

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

add_content is provided by the ContextForge MCP Gateway MCP server (jrmatherly/mcp-context-forge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.