package-show-dependencies
Shows the dependency tree of a Swift package and returns structured dependency data.
This record as markdown: /tools/io-github-dave-london-cargo/package-show-dependencies.md
What package-show-dependencies does on Cargo
AI agents call package-show-dependencies to retrieve information from Cargo without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why package-show-dependencies is rated Low
This tool queries and displays package dependency information without creating, modifying, deleting, or executing any operations. It is a pure read operation that provides informational output about package structure.
From the tool's definition Tool name 'package-show-dependencies' and description 'Shows the dependency tree of a Swift package and returns structured dependency data' indicate retrieval and inspection of metadata with no modification or execution.
Attacks that exploit this kind of access
The rule that runs package-show-dependencies 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 package-show-dependencies, this is the rule to start with:
package-show-dependencies is read-only, so it stays allowed. 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 package-show-dependencies call is checked against it from then on.
Questions about package-show-dependencies
Shows the dependency tree of a Swift package and returns structured dependency data. It is categorised as a Read tool in the Cargo MCP Server, which means it retrieves data without modifying state.
Register the Cargo MCP server in PolicyLayer and add a rule for package-show-dependencies: 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.
package-show-dependencies is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the package-show-dependencies 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 package-show-dependencies. 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.
package-show-dependencies 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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