goclaw_agent_files_set

THE RISK

Medium Risk

Why goclaw_agent_files_set needs a policy

This tool modifies agent configuration data (context files) but the changes are reversible—files can be updated again or deleted. It does not execute arbitrary code, delete data irreversibly, or move financial resources. The severity is medium because misconfiguration of agent context files could affect agent behavior and potentially expose sensitive information, but the impact is contained to configuration state.

From the tool's definition Tool description explicitly states 'Create or update a context file for an agent'. The verb 'set' combined with 'create or update' indicates reversible data modification.

Documented attack patterns abuse exactly the kind of access goclaw_agent_files_set gives an agent:

POLICY

How to control goclaw_agent_files_set

PolicyLayer is an MCP gateway — it sits between your AI agents and GoClaw MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for goclaw_agent_files_set:

policy.json

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

goclaw_agent_files_set 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.

Create a free account and register GoClaw MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More GoClaw MCP Server tools

Destructive goclaw_agent_delete Delete an agent (soft delete) Destructive goclaw_agent_files_delete Delete a context file from an agent Destructive goclaw_agent_links_remove Remove a delegation link between agents Destructive goclaw_cron_delete Delete a cron job Destructive goclaw_custom_tool_delete Delete a custom tool from GoClaw Destructive goclaw_mcp_server_delete Remove a registered MCP server from GoClaw Destructive goclaw_memory_delete Delete a memory document Destructive goclaw_provider_delete Remove an LLM provider from GoClaw

All 66 GoClaw MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about goclaw_agent_files_set

What does the goclaw_agent_files_set tool do? +

Create or update a context file for an agent. It is categorised as a Write tool in the GoClaw MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on goclaw_agent_files_set? +

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

What risk level is goclaw_agent_files_set? +

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

Can I rate-limit goclaw_agent_files_set? +

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

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

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

Enforce policy on every GoClaw MCP Server tool call.

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

CHECK YOUR STACK →