commit
Creates a commit with the given message. Returns structured data with hash, message, and change statistics. Pass
This record as markdown: /tools/io-github-dave-london-npm/commit.md
What commit does on Npm
AI agents use commit to create or update resources in Npm, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Npm environment.
Why commit is rated Medium
This tool creates new commits in a git repository, which is a reversible write operation. While commits can theoretically be undone (via revert, reset, or amend), they represent persistent modifications to repository history. It does not execute arbitrary code (Execute), delete data (Destructive), or handle financial transactions.
From the tool's definition Tool description states it 'Creates a commit with the given message' and returns commit metadata including hash, message, and statistics. The word 'Creates' and the fact it persists a new commit object to the repository demonstrates write capability.
Attacks that exploit this kind of access
The rule that runs commit safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Npm, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For commit, this is the rule to start with:
commit 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Npm, apply this rule, and every commit call is checked against it from then on.
Questions about commit
Creates a commit with the given message. Returns structured data with hash, message, and change statistics. Pass. It is categorised as a Write tool in the Npm MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Npm MCP server in PolicyLayer and add a rule for commit: 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 Npm. Nothing to install.
commit is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the commit 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 commit. 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.
commit is provided by the Npm MCP server (Dave-London/Pare). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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