trivy
Runs Trivy vulnerability/misconfiguration scanner on container images, filesystems, or IaC configs. Returns structured vulnerability data with severity summary.
This record as markdown: /tools/io-github-dave-london-go/trivy.md
What trivy does on Go
AI agents call trivy to retrieve information from Go without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why trivy is rated Low
Trivy is a read-only scanner that analyzes artifacts (images, filesystems, IaC configs) to identify vulnerabilities and misconfigurations, then reports findings. It does not execute code, modify files, delete data, or perform financial transactions. The 'scanner' terminology and 'returns...data' description confirm it retrieves and reports information without side effects on the scanned targets.
From the tool's definition The tool 'Runs Trivy vulnerability/misconfiguration scanner' and 'Returns structured vulnerability data' — it performs scanning and retrieval of security information with no modification or execution of scanned targets.
Attacks that exploit this kind of access
The rule that runs trivy safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Go, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For trivy, this is the rule to start with:
trivy 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 Go, apply this rule, and every trivy call is checked against it from then on.
Questions about trivy
Runs Trivy vulnerability/misconfiguration scanner on container images, filesystems, or IaC configs. Returns structured vulnerability data with severity summary. It is categorised as a Read tool in the Go MCP Server, which means it retrieves data without modifying state.
Register the Go MCP server in PolicyLayer and add a rule for trivy: 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 Go. Nothing to install.
trivy 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 trivy 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 trivy. 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.
trivy is provided by the Go 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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