vision.verify
Verify a capture by evidence digest or verify a receipt file.
This record as markdown: /tools/visionmcp/vision.verify.md
What vision.verify does on Visionmcp
AI agents call vision.verify to retrieve information from Visionmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why vision.verify is rated Low
The tool performs verification/validation of evidence digests or receipt files, which is a read operation: it retrieves and examines data to confirm its integrity or authenticity, but does not create, modify, delete, or execute code. The verb 'verify' in this context implies inspection and confirmation rather than state-changing actions.
From the tool's definition Tool description states 'Verify a capture by evidence digest or verify a receipt file' — verification is a read-only operation that checks or validates existing data without modifying or executing external operations.
Attacks that exploit this kind of access
The rule that runs vision.verify safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Visionmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For vision.verify, this is the rule to start with:
vision.verify 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 Visionmcp, apply this rule, and every vision.verify call is checked against it from then on.
Questions about vision.verify
Verify a capture by evidence digest or verify a receipt file. It is categorised as a Read tool in the Visionmcp MCP Server, which means it retrieves data without modifying state.
Register the Vision MCP server in PolicyLayer and add a rule for vision.verify: 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 Visionmcp. Nothing to install.
vision.verify 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 vision.verify 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 vision.verify. 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.
vision.verify is provided by the Vision MCP server (joshuahickscorp/visionmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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