codexray_impact

Analyze the blast radius of changing a symbol. Traces all callers/dependents recursively to show everything that could break. Use BEFORE making changes to critical code.

ServerCodeXRay
CategoryRead

How to control codexray_impact ↓

WHAT IT DOES

What codexray_impact does on CodeXRay

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

THE RISK

Low Risk

Why codexray_impact needs a policy

This tool queries a pre-built semantic knowledge graph to retrieve and analyze code dependency information. It traces relationships between symbols to provide insights about blast radius, but performs no mutations, deletions, executions, or financial operations. The output is informational (read-only) analysis intended to inform human decision-making before changes are made.

From the tool's definition Tool name 'codexray_impact' and description 'Analyze the blast radius of changing a symbol. Traces all callers/dependents recursively to show everything that could break.' — performs static analysis and tracing of code dependencies, returning information…

Risk signalsBulk/mass operation — affects multiple targets

Documented attack patterns abuse exactly the kind of access codexray_impact gives an agent:

POLICY

How to control codexray_impact

PolicyLayer is an MCP gateway — it sits between your AI agents and CodeXRay, and nothing reaches the server without passing your rules. This is the rule we recommend for codexray_impact:

policy.json

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

codexray_impact is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register CodeXRay — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More CodeXRay tools

Read codexray_context Build comprehensive task-relevant context for a coding task. Analyzes your query, finds re Read codexray_callees Find all functions/methods that the specified symbol CALLS. Use to understand what a funct Read codexray_callers Find all functions/methods that CALL the specified symbol. Essential for understanding usa Read codexray_circular Detect circular dependencies in the codebase. Finds import/call cycles that can cause issu Read codexray_complexity Find the most complex functions/methods in the codebase by cyclomatic complexity score. Hi Read codexray_deadcode Find potentially unused/dead code — symbols that are never called or referenced by other s Read codexray_deps Get the full dependency tree of a symbol — everything it imports, extends, implements, or Read codexray_files Get the indexed file tree with symbol counts per file. Use to understand project structure

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about codexray_impact

What does the codexray_impact tool do? +

Analyze the blast radius of changing a symbol. Traces all callers/dependents recursively to show everything that could break. Use BEFORE making changes to critical code. It is categorised as a Read tool in the CodeXRay MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on codexray_impact? +

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

What risk level is codexray_impact? +

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

Can I rate-limit codexray_impact? +

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

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

codexray_impact is provided by the CodeXRay MCP server (neuralrays/codexray). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every CodeXRay tool call.

Start from CodeXRay, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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16 CodeXRay tools catalogued and risk-classified — across an index of 43,000+ MCP servers.