evidence.deduplicate
Audit exact, perceptual, and mirrored duplicates without deleting evidence.
This record as markdown: /tools/visionmcp/evidence.deduplicate.md
What evidence.deduplicate does on Visionmcp
AI agents call evidence.deduplicate 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 evidence.deduplicate is rated Low
This tool retrieves and analyzes evidence to identify duplicates but explicitly does not delete or modify the underlying data. It is a query and inspection operation with no side effects, fitting the Read category. Severity is low because auditing duplicate information poses minimal risk to system state or security.
From the tool's definition Tool description states 'Audit exact, perceptual, and mirrored duplicates without deleting evidence.' The phrase 'without deleting' explicitly excludes destructive operations, and 'audit' indicates inspection/analysis of data.
Attacks that exploit this kind of access
The rule that runs evidence.deduplicate 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 evidence.deduplicate, this is the rule to start with:
evidence.deduplicate 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 evidence.deduplicate call is checked against it from then on.
Questions about evidence.deduplicate
Audit exact, perceptual, and mirrored duplicates without deleting evidence. 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 evidence.deduplicate: 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.
evidence.deduplicate 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 evidence.deduplicate 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 evidence.deduplicate. 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.
evidence.deduplicate 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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