sync_repo · Codetex MCP: Risk & Policy

WHAT IT DOES

What sync_repo does on Codetex

AI agents invoke sync_repo to trigger actions in Codetex. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why sync_repo needs a policy

This tool executes an external operation—syncing a Git repository—which modifies the internal index/state of the MCP server and potentially interacts with the Git system. While the operation itself is not destructive, it triggers code execution and side effects (updating the indexed knowledge hierarchy mentioned in the server description). This goes beyond Read operations and qualifies as Execute.

From the tool's definition Tool name is 'sync_repo' with description 'Trigger an incremental sync for a repository.' The verb 'trigger' and 'sync' indicate an active operation that initiates a process (Git repository synchronization), not mere data retrieval.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sync_repo Rate-limited

sync_repo stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sync_repo": {
      "limits": [
        {
          "counter": "sync_repo_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about sync_repo

What does the sync_repo tool do? +

Trigger an incremental sync for a repository. It is categorised as a Execute tool in the Codetex MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on sync_repo? +

Register the Codetex MCP server in PolicyLayer and add a rule for sync_repo: 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 Codetex. Nothing to install.

What risk level is sync_repo? +

sync_repo is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit sync_repo? +

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

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

sync_repo is provided by the Codetex MCP server (mrosata/codetex-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.