explain_symbol

Explain a symbol in detail using AI — purpose, behavior, relationships, usage patterns

SERVERTrace SOURCEnikolai-vysotskyi/trace-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nikolai-vysotskyi-trace-mcp/explain-symbol.md

WHAT IT DOES

What explain_symbol does on Trace

AI agents call explain_symbol to retrieve information from Trace without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why explain_symbol is rated Low

This tool retrieves and explains existing code metadata (symbol purpose, behavior, relationships, usage patterns) without creating, modifying, executing, or deleting anything. It is a querying/analysis operation typical of IDE intelligence features. No side effects or external operations are triggered.

From the tool's definition Tool name 'explain_symbol' and description 'Explain a symbol in detail using AI — purpose, behavior, relationships, usage patterns' indicate read-only retrieval and analysis of code information without modification or execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs explain_symbol safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Trace, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For explain_symbol, this is the rule to start with:

explain_symbol Allowed

explain_symbol is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "explain_symbol": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about explain_symbol

What does the explain_symbol tool do? +

Explain a symbol in detail using AI — purpose, behavior, relationships, usage patterns. It is categorised as a Read tool in the Trace MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on explain_symbol? +

Register the Trace MCP server in PolicyLayer and add a rule for explain_symbol: 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 Trace. Nothing to install.

What risk level is explain_symbol? +

explain_symbol is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit explain_symbol? +

Yes. Add a rate_limit block to the explain_symbol 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 explain_symbol completely? +

Set action: deny in the PolicyLayer policy for explain_symbol. 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 explain_symbol? +

explain_symbol is provided by the Trace MCP server (nikolai-vysotskyi/trace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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