List the HTTP routes (method, path, file:line, framework) defined in a repository. Supports Express, Fastify, and Koa router.
AI agents call get_routes to retrieve information from Codebase Context without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and enumerates static route information from a codebase without creating, modifying, or deleting data. It is purely introspective analysis of existing code structure. The blast radius of misuse is minimal—an agent listing routes cannot harm system integrity, trigger external actions, or modify state.
From the tool's definition Tool name is 'get_routes' and description states it 'List[s] the HTTP routes' — a retrieval operation with no modification or side effects. Returns structured data about existing route definitions (method, path, file:line, framework).
Attacks that exploit this kind of access
List the HTTP routes (method, path, file:line, framework) defined in a repository. Supports Express, Fastify, and Koa router. It is categorised as a Read tool in the Codebase Context MCP Server, which means it retrieves data without modifying state.
Register the Codebase Context MCP server in PolicyLayer and add a rule for get_routes: 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 Codebase Context. Nothing to install.
get_routes 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 get_routes 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 get_routes. 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.
get_routes is provided by the Codebase Context MCP server (oh-namgyu/codebase-context-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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