AI agents call kb_read_section to retrieve information from Workhour without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves specific sections from knowledge base documents. It performs a read-only operation—fetching structured content from existing documentation. There are no side effects, data modifications, code execution, or destructive actions. The operation is informational only, making it a standard Read category tool with low severity.
From the tool's definition Tool name 'kb_read_section' and description '精读指定文档某 h2 章节（含前后相邻章节）' (read specified document h2 section with adjacent sections) indicate retrieval of document content without modification.
Attacks that exploit this kind of access
精读指定文档某 h2 章节（含前后相邻章节）。. It is categorised as a Read tool in the Workhour MCP Server, which means it retrieves data without modifying state.
Register the Workhour MCP server in PolicyLayer and add a rule for kb_read_section: 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 Workhour. Nothing to install.
kb_read_section 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 kb_read_section 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 kb_read_section. 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.
kb_read_section is provided by the Workhour MCP server (Calvin-Ca/workhour-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
kb_read_section is one line of Workhour's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →