store_solution · Reachy Claude MCP: Risk & Policy

WHAT IT DOES

What store_solution does on Reachy Claude MCP

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

WHY IT NEEDS A POLICY

Why store_solution needs a policy

Based on the name 'store_solution', this tool likely writes/saves a solution to some persistent storage (memory or database), consistent with the server's 'cross-project memory' feature. Since the description is empty, confidence is low, but the name implies a Write operation — creating or storing data. No evidence of destructive, financial, or execution behavior.

From the tool's definition Tool name: store_solution; description is empty/uninformative

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

store_solution Rate-limited

store_solution 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": {
    "store_solution": {
      "limits": [
        {
          "counter": "store_solution_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 Reachy Claude MCP, so you can run agents against it safely.

FAQ

Questions about store_solution

What does the store_solution tool do? +

store_solution. It is categorised as a Write tool in the Reachy Claude MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on store_solution? +

Register the Reachy Claude MCP server in PolicyLayer and add a rule for store_solution: 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 Reachy Claude MCP. Nothing to install.

What risk level is store_solution? +

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

Can I rate-limit store_solution? +

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

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

store_solution is provided by the Reachy Claude MCP server (mchardysam/reachy-claude-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.