get_changed_symbols

Map a git diff to affected symbols (functions, classes, methods), for PR review. If

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/get-changed-symbols.md

WHAT IT DOES

What get_changed_symbols does on Trace

AI agents call get_changed_symbols 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 get_changed_symbols is rated Low

Tool retrieves and analyzes code structure changes without modifying code or executing operations.

From the tool's definition Map a git diff to affected symbols for PR review

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_changed_symbols Allowed

get_changed_symbols 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": {
    "get_changed_symbols": {}
  }
}

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 get_changed_symbols call is checked against it from then on.

FAQ

Questions about get_changed_symbols

What does the get_changed_symbols tool do? +

Map a git diff to affected symbols (functions, classes, methods), for PR review. If. 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 get_changed_symbols? +

Register the Trace MCP server in PolicyLayer and add a rule for get_changed_symbols: 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 get_changed_symbols? +

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

Can I rate-limit get_changed_symbols? +

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

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

get_changed_symbols 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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