github_search_code

Search code across GitHub (or scoped to a repo / user).

SERVERGithub SOURCEdkeeno/github-mcp-server

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/dkeeno-github-mcp-server/github-search-code.md

WHAT IT DOES

What github_search_code does on Github

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

RISK

Why github_search_code is rated Low

This tool performs code search functionality, which is a query operation that retrieves matching code results. It has no side effects, does not execute code, does not modify data, and does not perform destructive or financial actions. Search operations are classified as Read category with low severity since their impact is limited to information retrieval.

From the tool's definition Tool name is 'github_search_code' and description states 'Search code across GitHub (or scoped to a repo / user)'. The verb 'search' is a read-only operation that retrieves or queries data without modifying or executing anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs github_search_code safely

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

github_search_code Allowed

github_search_code 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": {
    "github_search_code": {}
  }
}

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

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

FAQ

Questions about github_search_code

What does the github_search_code tool do? +

Search code across GitHub (or scoped to a repo / user). It is categorised as a Read tool in the Github MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on github_search_code? +

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

What risk level is github_search_code? +

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

Can I rate-limit github_search_code? +

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

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

github_search_code is provided by the Github MCP server (dkeeno/github-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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