visual_geometry.repair_degenerate_candidate
Create a guarded topology-repair candidate without accepting or promoting it.
This record as markdown: /tools/visionmcp/visual-geometry.repair-degenerate-candidate.md
What visual_geometry.repair_degenerate_candidate does on Visionmcp
AI agents use visual_geometry.repair_degenerate_candidate to create or update resources in Visionmcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Visionmcp environment.
Why visual_geometry.repair_degenerate_candidate is rated Medium
This tool performs a write operation as it creates or generates candidate data (a repair candidate) that can be examined, modified, or discarded without immediate enforcement. The candidate nature and 'guarded' descriptor suggest the changes are not yet committed to the actual geometry, making it reversible. This is less severe than Execute because it doesn't trigger external operations—it prepares data.
From the tool's definition Tool creates a topology-repair candidate without promoting or accepting it, indicating a reversible modification operation. The 'create' and 'candidate' framing suggests the operation generates a modifiable proposal rather than applying changes directly.
Attacks that exploit this kind of access
The rule that runs visual_geometry.repair_degenerate_candidate 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 visual_geometry.repair_degenerate_candidate, this is the rule to start with:
visual_geometry.repair_degenerate_candidate 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 Visionmcp, apply this rule, and every visual_geometry.repair_degenerate_candidate call is checked against it from then on.
Questions about visual_geometry.repair_degenerate_candidate
Create a guarded topology-repair candidate without accepting or promoting it. It is categorised as a Write tool in the Visionmcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Vision MCP server in PolicyLayer and add a rule for visual_geometry.repair_degenerate_candidate: 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.
visual_geometry.repair_degenerate_candidate 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 visual_geometry.repair_degenerate_candidate 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 visual_geometry.repair_degenerate_candidate. 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.
visual_geometry.repair_degenerate_candidate 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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