get_tests_for

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-tests-for.md

WHAT IT DOES

What get_tests_for does on Trace

AI agents call get_tests_for 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_tests_for is rated Low

Retrieves test coverage information without modifying code or executing operations with side effects.

From the tool's definition Find test files/functions covering a given symbol. Read-only. Returns JSON.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_tests_for Allowed

get_tests_for 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_tests_for": {}
  }
}

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_tests_for call is checked against it from then on.

FAQ

Questions about get_tests_for

What does the get_tests_for tool do? +

Find test files/functions covering a given symbol or file. Understands test-to-source mapping, not just filename conventions. With symbol_id/fqn, narrows to tests that actually exercise it (direct_invocation, import_and_call, or text_match confidence tiers; default min_confidence is import_and_call). For project-wide coverage gaps use get_untested_symbols instead. Read-only. Returns JSON: { tests: [{ test_file, symbol_id, test_name, line, edge_type, confidence }], total, symbol_filtered?, fell_back_to_file_level? }. 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_tests_for? +

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

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

Can I rate-limit get_tests_for? +

Yes. Add a rate_limit block to the get_tests_for 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_tests_for completely? +

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

get_tests_for 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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