This record as markdown: /tools/io-github-dave-london-docker/poetry.md
What poetry does on Docker
AI agents invoke poetry to trigger actions in Docker. 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 poetry is rated High
This tool runs arbitrary Poetry commands, which can install/remove packages, modify project configuration, run scripts, and interact with the filesystem and network. 'Runs' clearly indicates execution of external commands. Misuse could lead to malicious package installation, dependency manipulation, or script execution, warranting a high severity rating.
From the tool's definition "Runs Poetry commands" — actively executes Poetry CLI commands
Attacks that exploit this kind of access
The rule that runs poetry safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Docker, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For poetry, this is the rule to start with:
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.
The button opens the PolicyLayer dashboard: create your workspace, connect Docker, apply this rule, and every poetry call is checked against it from then on.
Questions about poetry
Runs Poetry commands and returns structured output. It is categorised as a Execute tool in the Docker MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Docker 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 Docker. 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 Docker MCP server (@paretools/docker). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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