Runs Poetry commands and returns structured output.
AI agents invoke poetry to trigger actions in Lint. 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.
Poetry is a Python dependency management and packaging tool. Running Poetry commands can install/remove packages, build distributions, publish to PyPI, run scripts, and modify the environment. 'Runs Poetry commands and returns structured output' indicates arbitrary command execution, which can have wide-ranging side effects including package installation, environment modification, and potentially publishing packages.
From the tool's definition 'Runs Poetry commands' — executes arbitrary Poetry CLI commands
Documented attack patterns abuse exactly the kind of access poetry gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Lint, and nothing reaches the server without passing your rules. This is the rule we recommend for poetry:
{
"version": "1",
"default": "deny",
"tools": {
"poetry": {
"limits": [
{
"counter": "poetry_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}poetry 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.
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Runs Poetry commands and returns structured output. It is categorised as a Execute tool in the Lint MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Lint MCP server in PolicyLayer and add a rule for poetry: 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 Lint. Nothing to install.
poetry is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the poetry 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.
Set action: deny in the PolicyLayer policy for poetry. 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.
poetry is provided by the Lint MCP server (Dave-London/Pare). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Lint, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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202 Lint tools catalogued and risk-classified — across an index of 43,000+ MCP servers.