obj_clear_highlights
Clear all net highlights in the active schematic or PCB document.
This record as markdown: /tools/eda-agent/obj-clear-highlights.md
What obj_clear_highlights does on Eda Agent
AI agents use obj_clear_highlights to create or update resources in Eda Agent, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Eda Agent environment.
Why obj_clear_highlights is rated Medium
Clearing highlights modifies the visual/display state of a document (removes highlight markings), but does not delete design data or execute code. It is a reversible UI state change — highlights can be reapplied — making this a Write-level operation. Blast radius is low since no structural design data is affected.
From the tool's definition Clear all net highlights in the active schematic or PCB document
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs obj_clear_highlights safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Eda Agent, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For obj_clear_highlights, this is the rule to start with:
obj_clear_highlights 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 Eda Agent, apply this rule, and every obj_clear_highlights call is checked against it from then on.
Questions about obj_clear_highlights
Clear all net highlights in the active schematic or PCB document. It is categorised as a Write tool in the Eda Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Eda Agent MCP server in PolicyLayer and add a rule for obj_clear_highlights: 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 Eda Agent. Nothing to install.
obj_clear_highlights 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 obj_clear_highlights 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 obj_clear_highlights. 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.
obj_clear_highlights is provided by the Eda Agent MCP server (salitronic/eda-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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