getUsageInstructions
CALL THIS FIRST - Get critical usage guidelines and best practices for this Twenty CRM instance. Contains important workflow requirements (e.g., linking notes to entities), formatting guidelines, and search tips that will help you use the tools correctly. Call this only once at the beginning.
This record as markdown: /tools/jdu278-twenty-mcp-server/getusageinstructions.md
What getUsageInstructions does on Twenty MCP Server
AI agents call getUsageInstructions to retrieve information from Twenty MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why getUsageInstructions is rated Low
This tool retrieves static documentation or guidelines from the Twenty CRM instance. It performs no modifications, deletions, executions, or financial operations. The instruction to 'CALL THIS FIRST' and 'only once at the beginning' reinforces that it is purely informational.
From the tool's definition Tool name 'getUsageInstructions' and description indicate it 'Get[s] critical usage guidelines and best practices' — a retrieval operation with no side effects. The description explicitly states it provides information for correct tool usage.
Attacks that exploit this kind of access
The rule that runs getUsageInstructions safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Twenty MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getUsageInstructions, this is the rule to start with:
getUsageInstructions is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Twenty MCP Server, apply this rule, and every getUsageInstructions call is checked against it from then on.
Questions about getUsageInstructions
CALL THIS FIRST - Get critical usage guidelines and best practices for this Twenty CRM instance. Contains important workflow requirements (e.g., linking notes to entities), formatting guidelines, and search tips that will help you use the tools correctly. Call this only once at the beginning. It is categorised as a Read tool in the Twenty MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Twenty MCP Server MCP server in PolicyLayer and add a rule for getUsageInstructions: 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 Twenty MCP Server. Nothing to install.
getUsageInstructions is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the getUsageInstructions 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 getUsageInstructions. 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.
getUsageInstructions is provided by the Twenty MCP Server MCP server (jdu278/twenty-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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