Find code similar to a given snippet
AI agents call find_similar to retrieve information from Smart Code Search MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs code search and similarity detection across a codebase. It retrieves matching results based on semantic analysis but does not modify, delete, execute, or create any data. The operation is purely informational with no side effects, placing it squarely in the Read category with low severity risk.
From the tool's definition Tool is described as 'Find code similar to a given snippet' which retrieves and queries existing code without modifying, deleting, or executing anything. The server description emphasizes 'semantic code search' and 'symbol analysis' as read-only operations.
Attacks that exploit this kind of access
Find code similar to a given snippet. It is categorised as a Read tool in the Smart Code Search MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Smart Code Search MCP Server MCP server in PolicyLayer and add a rule for find_similar: 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 Smart Code Search MCP Server. Nothing to install.
find_similar 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 find_similar 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 find_similar. 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.
find_similar is provided by the Smart Code Search MCP Server MCP server (stevenjjobson/scs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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