Etienne
eda41b4eba
**AI Chat - Tool Executions (counters, tagged with model)** ai-chat/tool-execution-succeeded: number of tool calls invoked by the AI that completed without error ai-chat/tool-execution-failed: number of tool calls invoked by the AI that threw an error **AI Chat - Token Usage (counters, tagged with model)** ai-chat/input-tokens: total input tokens sent to the model across all turns ai-chat/output-tokens: total output tokens generated by the model ai-chat/cache-read-tokens: input tokens served from the model's prompt cache (cheaper) ai-chat/cache-write-tokens: input tokens written into the prompt cache for future reuse **AI Chat - Latency (histograms in ms, tagged with model)** ai-chat/turn-latency-ms: total duration of a full chat turn (from stream start to stream end) ai-chat/step-latency-ms: duration of a single reasoning/tool-call step within a turn ai-chat/ttft-ms: time-to-first-token, i.e. how long until the model starts streaming output **MCP - Tool Executions (counters)** mcp/tool-execution-succeeded: number of MCP tool calls that completed successfully mcp/tool-execution-failed: number of MCP tool calls that threw an error
The #1 Open-Source CRM
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the 
User Guide for product walkthroughs, or the Documentation for developer reference.
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TypeScript
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NestJS, with BullMQ, 
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React, with Jotai, Linaria and Lingui
Thanks
Thanks to these amazing services that we use and recommend for UI testing (Chromatic), code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
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