Read specific line range from document (1-indexed)
AI agents call read_lines to retrieve information from LODA MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a read-only operation on document content by retrieving a specified line range. It has no side effects, does not modify data, and does not execute code or trigger external operations. This is consistent with the Read category for tools that retrieve or query data without side effects.
From the tool's definition Tool description: 'Read specific line range from document (1-indexed)'. This is a retrieval operation that reads and returns document content without modification, deletion, or execution.
Attacks that exploit this kind of access
Read specific line range from document (1-indexed). It is categorised as a Read tool in the LODA MCP Server MCP Server, which means it retrieves data without modifying state.
Register the LODA MCP Server MCP server in PolicyLayer and add a rule for read_lines: 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 LODA MCP Server. Nothing to install.
read_lines 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 read_lines 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 read_lines. 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.
read_lines is provided by the LODA MCP Server MCP server (patrickkarle/loda-mcp-server). 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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