proj_replace_component
A write tool on the Eda Agent MCP server.
This record as markdown: /tools/eda-agent/proj-replace-component.md
What proj_replace_component does on Eda Agent
AI agents use proj_replace_component 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 proj_replace_component is rated Medium
The tool performs a component replacement operation on a project, which modifies design data. This is categorized as Write rather than Destructive because component replacement is typically reversible (the original can be restored via undo or version control).
From the tool's definition Tool name 'proj_replace_component' indicates modification of project components. In Altium Designer context, replacing components is a reversible write operation that alters the design database.
Attacks that exploit this kind of access
The rule that runs proj_replace_component 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 proj_replace_component, this is the rule to start with:
proj_replace_component 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 proj_replace_component call is checked against it from then on.
Questions about proj_replace_component
proj_replace_component 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 proj_replace_component: 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.
proj_replace_component 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 proj_replace_component 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 proj_replace_component. 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.
proj_replace_component 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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