# 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.

Agent View of the PolicyLayer registry record for `patch_knowledge_document_section`. HTML page: https://policylayer.com/tools/flowdot-llc-mcp-server/patch-knowledge-document-section

## Facts

- Tool: `patch_knowledge_document_section`
- Server: FlowDot MCP Server (`flowdot-llc/mcp-server`) — https://policylayer.com/tools/flowdot-llc-mcp-server.md
- Homepage: https://github.com/flowdot-llc/mcp-server
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "patch_knowledge_document_section",
    "arguments": {}
  }
}
```

## 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 own 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."

## Use case

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.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches FlowDot MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "patch_knowledge_document_section": {
      "limits": [
        {
          "counter": "patch_knowledge_document_section_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on FlowDot MCP Server (206)

- `browser_act` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/browser-act.md
- `cancel_execution` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/cancel-execution.md
- `delete_agent_character` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-agent-character.md
- `delete_app` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-app.md
- `delete_app_file` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-app-file.md
- `delete_connection` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-connection.md
- `delete_custom_node` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-custom-node.md
- `delete_goal` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-goal.md
- `delete_goal_milestone` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-goal-milestone.md
- `delete_goal_task` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-goal-task.md
- `delete_image` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-image.md
- `delete_input_preset` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-input-preset.md
- `delete_knowledge_category` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-knowledge-category.md
- `delete_knowledge_document` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-knowledge-document.md
- `delete_node` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-node.md
- `delete_recipe` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-recipe.md
- `delete_recipe_step` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-recipe-step.md
- `delete_recipe_store` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-recipe-store.md
- `delete_workflow` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/delete-workflow.md
- `email_delete` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/email-delete.md
- `mcp__flowdot__delete_agent_toolkit` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/mcp--flowdot--delete-agent-toolkit.md
- `mcp__flowdot__delete_toolkit_tool` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/mcp--flowdot--delete-toolkit-tool.md
- `mcp__flowdot__uninstall_toolkit` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/mcp--flowdot--uninstall-toolkit.md
- `panic_clear` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/panic-clear.md
- `revoke_kb_access` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/revoke-kb-access.md
- `unlink_property_kb_source` — Destructive — https://policylayer.com/tools/flowdot-llc-mcp-server/unlink-property-kb-source.md
- `browser_launch` — Execute — https://policylayer.com/tools/flowdot-llc-mcp-server/browser-launch.md
- `browser_navigate` — Execute — https://policylayer.com/tools/flowdot-llc-mcp-server/browser-navigate.md
- `browser_sequence` — Execute — https://policylayer.com/tools/flowdot-llc-mcp-server/browser-sequence.md
- `browser_wait_for` — Execute — https://policylayer.com/tools/flowdot-llc-mcp-server/browser-wait-for.md
- …and 176 more: https://policylayer.com/tools/flowdot-llc-mcp-server.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=flowdot-llc-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/flowdot-llc-mcp-server
