oxlint · Python MCP: Risk & Policy

WHAT IT DOES

What oxlint does on Python

AI agents invoke oxlint to trigger actions in Python. 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 oxlint needs a policy

The tool executes the Oxlint linter tool against code. 'Runs' indicates execution of an external process. While it only reads/analyzes code and returns diagnostics without modifying files, it triggers an external operation (running a linter binary), placing it in the Execute category rather than Read.

From the tool's definition Runs Oxlint and returns structured diagnostics

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

oxlint Rate-limited

oxlint 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": {
    "oxlint": {
      "limits": [
        {
          "counter": "oxlint_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 Python, so you can run agents against it safely.

FAQ

Questions about oxlint

What does the oxlint tool do? +

Runs Oxlint and returns structured diagnostics (file, line, column, rule, severity, message). It is categorised as a Execute tool in the Python MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on oxlint? +

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

What risk level is oxlint? +

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

Can I rate-limit oxlint? +

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

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

oxlint is provided by the Python MCP server (Dave-London/Pare). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

oxlint is one line of Python's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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