patch_knowledge_document_section
Edit a targeted section of a knowledge base document by find-and-replace. The old_text must be at least 10 characters and must match EXACTLY ONCE in the current document. If there are 0 or 2+ matches the request fails with an error — expand old_text to make it unique and retry. Triggers reprocess...
This record as markdown: /tools/flowdot-llc-mcp-server/patch-knowledge-document-section.md
What patch_knowledge_document_section does on FlowDot MCP Server
AI agents use patch_knowledge_document_section to create or update resources in FlowDot MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FlowDot MCP Server environment.
Why patch_knowledge_document_section is rated Medium
This tool creates or modifies data reversibly through targeted edits (find-and-replace). While it can change knowledge base content, the changes can be undone via subsequent edits or version history. The requirement for 'edit permission' and the mention of triggering reprocessing indicates it modifies existing knowledge documents.
From the tool's definition The tool description explicitly states it 'Edit a targeted section' and 'Triggers reprocessing of chunks and embeddings after the edit.' It performs find-and-replace operations on knowledge base documents, which are reversible modifications to data.
Attacks that exploit this kind of access
The rule that runs patch_knowledge_document_section safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FlowDot MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For patch_knowledge_document_section, this is the rule to start with:
patch_knowledge_document_section stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect FlowDot MCP Server, apply this rule, and every patch_knowledge_document_section call is checked against it from then on.
Questions about patch_knowledge_document_section
Edit a targeted section of a knowledge base document by find-and-replace. The old_text must be at least 10 characters and must match EXACTLY ONCE in the current document. If there are 0 or 2+ matches the request fails with an error — expand old_text to make it unique and retry. Triggers reprocessing of chunks and embeddings after the edit. Requires edit permission on the document. Use this for targeted section edits; for full rewrites use update_knowledge_document_content. It is categorised as a Write tool in the FlowDot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the FlowDot MCP Server MCP server in PolicyLayer and add a rule for patch_knowledge_document_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 FlowDot MCP Server. Nothing to install.
patch_knowledge_document_section is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the patch_knowledge_document_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 patch_knowledge_document_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.
patch_knowledge_document_section is provided by the FlowDot MCP Server MCP server (flowdot-llc/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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