createOneMessageChannel
A write tool on the Twenty MCP server.
This record as markdown: /tools/jdu278-twenty-mcp-server/createonemessagechannel.md
What createOneMessageChannel does on Twenty MCP Server
AI agents use createOneMessageChannel to create or update resources in Twenty MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Twenty MCP Server environment.
Why createOneMessageChannel is rated Medium
This tool creates a new message channel, which is a reversible data modification operation. It does not execute arbitrary code, delete data, move money, or trigger external side effects beyond the creation of a CRM record. The severity is medium because creating message channels could enable unwanted communication channels or spam vectors if an agent is compromised, but the damage is limited and reversible.
From the tool's definition Tool name 'createOneMessageChannel' and description 'Create One messageChannel' indicate creation of new data.
Attacks that exploit this kind of access
The rule that runs createOneMessageChannel 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 createOneMessageChannel, this is the rule to start with:
createOneMessageChannel stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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 createOneMessageChannel call is checked against it from then on.
Questions about createOneMessageChannel
createOneMessageChannel is a write tool on the Twenty MCP Server MCP server. It is categorised as a Write tool in the Twenty MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Twenty MCP Server MCP server in PolicyLayer and add a rule for createOneMessageChannel: 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.
createOneMessageChannel 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 createOneMessageChannel 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 createOneMessageChannel. 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.
createOneMessageChannel 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.
More on Twenty MCP Server, and thousands of servers like it.
This server
Across the catalogue