UpdateOneTimelineActivity

A write tool on the Twenty MCP server.

SERVERTwenty MCP Server SOURCEjdu278/twenty-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jdu278-twenty-mcp-server/updateonetimelineactivity.md

WHAT IT DOES

What UpdateOneTimelineActivity does on Twenty MCP Server

AI agents use UpdateOneTimelineActivity 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.

RISK

Why UpdateOneTimelineActivity is rated Medium

The 'Update' prefix clearly indicates modification of data. CRM timeline activities are business records that can be edited and reverted. This is not destructive (no deletion), not financial, and not code execution—it is standard reversible data modification typical of Write category.

From the tool's definition Tool name 'UpdateOneTimelineActivity' uses 'Update' verb; description states 'Update One timelineActivity'. The context is a CRM system managing contacts, tasks, notes, and other CRM data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs UpdateOneTimelineActivity 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 UpdateOneTimelineActivity, this is the rule to start with:

UpdateOneTimelineActivity Rate-limited

UpdateOneTimelineActivity 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "UpdateOneTimelineActivity": {
      "limits": [
        {
          "counter": "updateonetimelineactivity_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Twenty MCP Server, apply this rule, and every UpdateOneTimelineActivity call is checked against it from then on.

FAQ

Questions about UpdateOneTimelineActivity

What does the UpdateOneTimelineActivity tool do? +

UpdateOneTimelineActivity 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.

How do I enforce a policy on UpdateOneTimelineActivity? +

Register the Twenty MCP Server MCP server in PolicyLayer and add a rule for UpdateOneTimelineActivity: 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.

What risk level is UpdateOneTimelineActivity? +

UpdateOneTimelineActivity is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit UpdateOneTimelineActivity? +

Yes. Add a rate_limit block to the UpdateOneTimelineActivity 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.

How do I block UpdateOneTimelineActivity completely? +

Set action: deny in the PolicyLayer policy for UpdateOneTimelineActivity. 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.

What MCP server provides UpdateOneTimelineActivity? +

UpdateOneTimelineActivity 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.

KEEP EXPLORING

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