Get security/performance code reviews
AI agents call gemini_code_review to retrieve information from Claude Code + Gemini MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves analytical feedback from Gemini about code quality, security, and performance. It reads code submitted by the user and returns critique/recommendations without executing code, modifying the user's codebase, or triggering external operations. The output is informational only. No side effects or resource commits occur.
From the tool's definition Tool named 'gemini_code_review' with description 'Get security/performance code reviews' — the verb 'get' and 'code reviews' indicate retrieval and analysis of code without modification or execution.
Documented attack patterns abuse exactly the kind of access gemini_code_review gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Claude Code + Gemini MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for gemini_code_review:
{
"version": "1",
"default": "deny",
"tools": {
"gemini_code_review": {}
}
}gemini_code_review is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get security/performance code reviews. It is categorised as a Read tool in the Claude Code + Gemini MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Claude Code + Gemini MCP Server MCP server in PolicyLayer and add a rule for gemini_code_review: 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 Claude Code + Gemini MCP Server. Nothing to install.
gemini_code_review is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the gemini_code_review 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.
Set action: deny in the PolicyLayer policy for gemini_code_review. 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.
gemini_code_review is provided by the Claude Code + Gemini MCP Server MCP server (raiansar/claude_code-gemini-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 Claude Code + Gemini MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
3 Claude Code + Gemini MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.