workboard_update_key_result_tool
AI agents use workboard_update_key_result_tool to create or update resources in MCP Workboard — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Workboard environment.
The 'update' operation modifies data reversibly without permanent deletion or financial impact. This is a Write category action. Severity is medium because unintended modifications to key results could affect team planning and OKR tracking, but the impact is contained to a single entity and reversible.
From the tool's definition Tool name contains 'update' which indicates modification of existing data. The tool is part of a workboard system alongside create and get tools for activities, objectives, users, and workstreams, suggesting it modifies key result records.
Attacks that exploit this kind of access
workboard_update_key_result_tool. It is categorised as a Write tool in the MCP Workboard MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MCP Workboard MCP server in PolicyLayer and add a rule for workboard_update_key_result_tool: 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 Workboard. Nothing to install.
workboard_update_key_result_tool 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 workboard_update_key_result_tool 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 workboard_update_key_result_tool. 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.
workboard_update_key_result_tool is provided by the MCP Workboard MCP server (mcp-workboard-crunchtools). 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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