Sets the row star color on a node. Accepts a named color (red, orange, yellow, green, blue, purple) OR its exact hex equivalent (#ff4d4f red, #fa8c16 orange, #fadb14 yellow, #52c41a green, #1890ff blue, #722ed1 purple). Arbitrary hex codes are NOT accepted — only the six pre-defined hex values. P...
AI agents use set_star_color 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 data in a reversible manner by changing visual metadata (star color) associated with nodes in the Pinako library/bookmark system. It is clearly Write category because it updates existing data without destroying it, and the changes can be undone or re-applied.
From the tool's definition The tool description states it "Sets the row star color on a node" and "Pass null to clear," indicating it modifies metadata (star color) on existing nodes. This is a reversible modification operation.
Attacks that exploit this kind of access
Sets the row star color on a node. Accepts a named color (red, orange, yellow, green, blue, purple) OR its exact hex equivalent (#ff4d4f red, #fa8c16 orange, #fadb14 yellow, #52c41a green, #1890ff blue, #722ed1 purple). Arbitrary hex codes are NOT accepted — only the six pre-defined hex values. Pass null to clear. 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_star_color: 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_star_color 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_star_color 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_star_color. 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_star_color 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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