push
Pushes commits to a remote repository. Returns structured data with success status, remote, branch, summary, and whether the remote branch was newly created.
This record as markdown: /tools/io-github-dave-london-cargo/push.md
What push does on Cargo
AI agents use push to create or update resources in Cargo, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Cargo environment.
Why push is rated Medium
Pushing commits to a remote repository is a Write operation — it uploads and modifies the state of a remote branch. While force-pushing would be Destructive, a normal push is reversible (commits can be reverted or the branch reset). The description does not mention force-push, so Write is the most appropriate category. Severity is medium because pushing to a remote can affect shared branches and other collaborators.
From the tool's definition Pushes commits to a remote repository... whether the remote branch was newly created
Attacks that exploit this kind of access
The rule that runs push safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Cargo, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For push, this is the rule to start with:
push 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 Cargo, apply this rule, and every push call is checked against it from then on.
Questions about push
Pushes commits to a remote repository. Returns structured data with success status, remote, branch, summary, and whether the remote branch was newly created. It is categorised as a Write tool in the Cargo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Cargo MCP server in PolicyLayer and add a rule for push: 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 Cargo. Nothing to install.
push 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 push 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 push. 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.
push is provided by the Cargo 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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