Summarize language, line count, imports, exports, and symbols for one file.
AI agents call summarize_file to retrieve information from Syntax Map without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs static analysis and reporting on code structure without executing code, modifying files, or triggering external operations. It gathers and presents metadata about a file's contents, which is a read-only operation. The low severity reflects minimal blast radius if misused by an AI agent—at worst, it reveals code structure information.
From the tool's definition Tool description explicitly states it 'Summarize[s]' file characteristics (language, line count, imports, exports, symbols) — a passive retrieval operation with no modification or execution capability.
Attacks that exploit this kind of access
Summarize language, line count, imports, exports, and symbols for one file. It is categorised as a Read tool in the Syntax Map MCP Server, which means it retrieves data without modifying state.
Register the Syntax Map MCP server in PolicyLayer and add a rule for summarize_file: 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 Syntax Map. Nothing to install.
summarize_file 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 summarize_file 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 summarize_file. 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.
summarize_file is provided by the Syntax Map MCP server (kht6163/syntax-map-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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