lib_add_symbol_lines

A write tool on the Eda Agent MCP server.

SERVEREda Agent SOURCEsalitronic/eda-agent

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/eda-agent/lib-add-symbol-lines.md

WHAT IT DOES

What lib_add_symbol_lines does on Eda Agent

AI agents use lib_add_symbol_lines 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.

RISK

Why lib_add_symbol_lines is rated Medium

The tool operates on Altium Designer's symbol library, adding lines to symbols. This is a reversible modification operation (lines can be edited or removed), placing it in the Write category rather than Destructive. Severity is medium because misuse could corrupt symbol libraries or introduce design flaws, affecting multiple projects, though changes are reversible.

From the tool's definition Tool name 'lib_add_symbol_lines' indicates creation or modification of symbol library elements. The 'add' verb suggests a Write operation that creates or appends data to a library component.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs lib_add_symbol_lines 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 lib_add_symbol_lines, this is the rule to start with:

lib_add_symbol_lines Rate-limited

lib_add_symbol_lines 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "lib_add_symbol_lines": {
      "limits": [
        {
          "counter": "lib_add_symbol_lines_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Eda Agent, apply this rule, and every lib_add_symbol_lines call is checked against it from then on.

FAQ

Questions about lib_add_symbol_lines

What does the lib_add_symbol_lines tool do? +

lib_add_symbol_lines 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.

How do I enforce a policy on lib_add_symbol_lines? +

Register the Eda Agent MCP server in PolicyLayer and add a rule for lib_add_symbol_lines: 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.

What risk level is lib_add_symbol_lines? +

lib_add_symbol_lines is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit lib_add_symbol_lines? +

Yes. Add a rate_limit block to the lib_add_symbol_lines 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.

How do I block lib_add_symbol_lines completely? +

Set action: deny in the PolicyLayer policy for lib_add_symbol_lines. 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.

What MCP server provides lib_add_symbol_lines? +

lib_add_symbol_lines 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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