Sets the memo (short plain-text annotation, max 2500 chars) on a node. Pass empty string to clear. Memos are per-node and concise; for richer rich-text documents use create_note / set_note_content (which target a library or the Main Notes, not individual nodes). The memo content field is named
AI agents use set_memo to create or update resources in Pinako AI Bridge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pinako AI Bridge environment.
This tool creates or modifies metadata (memos/annotations) on nodes within the Pinako extension's data model. It is reversible—memos can be cleared or updated—making it a Write operation rather than Destructive.
From the tool's definition Sets the memo (short plain-text annotation, max 2500 chars) on a node. Pass empty string to clear.
Attacks that exploit this kind of access
Sets the memo (short plain-text annotation, max 2500 chars) on a node. Pass empty string to clear. Memos are per-node and concise; for richer rich-text documents use create_note / set_note_content (which target a library or the Main Notes, not individual nodes). The memo content field is named. It is categorised as a Write tool in the Pinako AI Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Pinako AI Bridge MCP server in PolicyLayer and add a rule for set_memo: 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 Pinako AI Bridge. Nothing to install.
set_memo 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 set_memo 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 set_memo. 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.
set_memo is provided by the Pinako AI Bridge MCP server (teleomorph/pinako-mcp). 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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