This record as markdown: /tools/eda-agent/sch-place-line.md
What sch_place_line does on Eda Agent
AI agents use sch_place_line 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 sch_place_line is rated Medium
The tool creates or modifies schematic elements (line placement) within a persistent design document. This is a reversible write operation—lines can be deleted or moved—but lacks destructive finality. Although the description is empty, the name and server context (schematic automation) make the intent clear.
From the tool's definition Tool name 'sch_place_line' indicates placement of a schematic line element. Within the Altium Designer automation context (290+ tools for schematic, PCB, library & project automation), this performs a creation/modification operation on schematic design data.
Attacks that exploit this kind of access
The rule that runs sch_place_line 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 sch_place_line, this is the rule to start with:
sch_place_line 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 sch_place_line call is checked against it from then on.
Questions about sch_place_line
sch_place_line is a write tool on the Eda Agent MCP server. 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 sch_place_line: 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.
sch_place_line 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 sch_place_line 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 sch_place_line. 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.
sch_place_line 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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