Import nodes and edges from existing notes: note -> key and note -> tags.
AI agents use graph-import-from-notes to create or update resources in MCP Index Notes — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Index Notes environment.
This tool reads from existing notes and writes/creates corresponding nodes and edges in a knowledge graph. This is a Write operation because it creates new data structures (graph nodes/edges) derived from note content. It is reversible (nodes/edges can be modified or removed later), so it does not qualify as Destructive.
From the tool's definition Tool description states 'Import nodes and edges from existing notes: note -> key and note -> tags.' Import operations create or add new nodes and edges to a knowledge graph structure, which modifies the graph data model reversibly.
Attacks that exploit this kind of access
Import nodes and edges from existing notes: note -> key and note -> tags. It is categorised as a Write tool in the MCP Index Notes MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MCP Index Notes MCP server in PolicyLayer and add a rule for graph-import-from-notes: 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 MCP Index Notes. Nothing to install.
graph-import-from-notes 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 graph-import-from-notes 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 graph-import-from-notes. 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.
graph-import-from-notes is provided by the MCP Index Notes MCP server (vjsr007/mcp-index-notes). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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