Search for symbols using full-text search (FTS5). Supports fuzzy matching.
AI agents call search_symbols to retrieve information from Ue Codegraph without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs full-text search queries against the codebase index—a pure read operation that retrieves information without modifying, executing, or deleting any data. The fuzzy matching capability is a read enhancement, not a side effect. In the context of a code analysis server, searching symbols is a foundational retrieval primitive with minimal blast radius if misused by an agent.
From the tool's definition Tool name 'search_symbols' and description 'Search for symbols using full-text search (FTS5). Supports fuzzy matching.' indicate a query/retrieval operation with no side effects. It searches a local SQLite database for symbol information.
Attacks that exploit this kind of access
Search for symbols using full-text search (FTS5). Supports fuzzy matching. It is categorised as a Read tool in the Ue Codegraph MCP Server, which means it retrieves data without modifying state.
Register the Ue Codegraph MCP server in PolicyLayer and add a rule for search_symbols: 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 Ue Codegraph. Nothing to install.
search_symbols 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 search_symbols 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 search_symbols. 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.
search_symbols is provided by the Ue Codegraph MCP server (yomenstyle/ue-codegraph-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.
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