Why connect Amplitude to ChatGPT?
Most people who need Amplitude numbers aren't the ones who build the charts. With Lemonado picked in ChatGPT, anyone can ask for activation, retention or a funnel in plain words and get the number, plus what the campaigns behind those users cost.
All your Amplitude data
Events and event properties, ready to ask about.
Always today's numbers
Cohorts and their sizes over time, synced from Amplitude automatically, so answers use today's numbers.
Connect all your tools
Questions like "Which campaigns keep users?" use Amplitude and Mixpanel, PostHog at once.
How to connect Amplitude to ChatGPT
Before you start
- A Amplitude account you can sign in to
- A ChatGPT account
- A Lemonado account (the free trial works)
- 1
Connect Amplitude in Lemonado
In Lemonado, open Connectors, find Amplitude and sign in. Connect the Amplitude project you report from, not a dev or staging project. If your org is on Amplitude's EU data center, choose EU when you connect.
- 2
Turn on external access
In the company's settings, open External tools, turn the connection on, choose which sources it can reach and copy the server URL.
texthttps://mcp.lemonado.io/mcp - 3
Open ChatGPT plugins
Go to chatgpt.com/plugins. Select + and choose Add custom MCP server.
- 4
Add Lemonado
Name it Lemonado, add a short description, and paste the server URL under Connection. Set authentication to OAuth.
texthttps://mcp.lemonado.io/mcp - 5
Create the plugin
Review the acknowledgement and select Create as a plugin. Check the tools ChatGPT discovers, then install it.
- 6
Ask ChatGPT about Amplitude
Start a new chat, type @ and pick Lemonado. Sign in to Lemonado when ChatGPT asks. Try "@Lemonado What's our activation rate from Amplitude for each of the last 6 weeks, and which week stands out?" Or ask: "Can you write the product update?" or "Which channel brings active users?"
Good to know
- Your ChatGPT account and workspace settings decide whether you can add custom MCP servers. Workspace admins can turn it off.
- Older guides point to Settings → Apps → Developer mode. OpenAI has replaced that flow with Plugins.
What can ChatGPT do with Amplitude?
ChatGPT reads your Amplitude numbers when you pick @Lemonado, and writes the update, the summary or the next step for you.
@Lemonado What's our activation rate from Amplitude for each of the last 6 weeks, and which week stands out?
Activation ran between 38% and 42%, except the week of Oct 13 at 31%. That week, the invite email failed for 2 days.
Source: Amplitude
@Lemonado Draft a short product metrics update from Amplitude for this week: WAU, new users, activation and week 1 retention.
Draft ready: 18,400 WAU (+4%), 2,310 new users, 41% activation, 52% week 1 retention. Activation is back to normal after last week's email issue.
Source: Amplitude
@Lemonado New users last month by first-touch channel, and how many of each were still active in week 2.
Organic search brought 820 with 49% active in week 2. Paid social brought 1,140 but only 21% stayed.
Source: Amplitude
@Lemonado Show the trial funnel from signup to paid for last month's trials, with the biggest drop.
From 1,900 signups, 1,210 connected data, 540 invited a teammate and 196 paid. The drop at the invite step is the biggest.
Source: Amplitude
Show the onboarding funnel from signup to first dashboard for the last 30 days, and the step with the biggest drop.
61% of signups connect a data source, but only 34% of those build a dashboard. The drop is at the template picker.
Source: Amplitude
Compare Google Ads conversions for sign_up last week with sign_up events in Amplitude that carry a gclid.
Google Ads counted 318 signups, Amplitude has 274 with a gclid. Safari users lose the parameter on the redirect from the landing page.
Source: Amplitude + Google Ads
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Other integrations for ChatGPT
All ChatGPT integrations- Mixpanel in ChatGPTAsk Claude, ChatGPT or Cursor which campaigns bring users who stick, with Mixpanel next to your ad spend.
- PostHog in ChatGPTPut PostHog product data next to your ad spend in Claude, ChatGPT or Cursor.
- Google Ads in ChatGPTAsk Claude, ChatGPT or Cursor about your Google Ads campaigns, search terms and spend.
- LinkedIn Ads in ChatGPTAsk Claude, ChatGPT or Cursor about LinkedIn campaigns, lead forms and who converts.
- Attio in ChatGPTAsk Claude, ChatGPT or Cursor about your Attio records, next to the campaigns that brought them in.
- Google Tag Manager in ChatGPTAsk Claude, ChatGPT or Cursor what's in your GTM container, and what changed when tracking broke.
Reading this as an AI agent?
Everything an agent needs to set this up, in plain text. Paste this page's link into ChatGPT and ask it to connect you, or copy the block.
# Connect Amplitude to ChatGPT (Lemonado MCP) - Server URL: https://mcp.lemonado.io/mcp - Transport: Streamable HTTP - Auth: OAuth; the user signs in to Lemonado in the browser. No API keys. - In Lemonado: connect the Amplitude project. Connect the Amplitude project you report from, not a dev or staging project. If your org is on Amplitude's EU data center, choose EU when you connect. - In ChatGPT: Plugins → + → Add custom MCP server ```text https://mcp.lemonado.io/mcp ``` One-click install: https://chatgpt.com/plugins/plugin_asdk_app_69455664de448191bc42a9f6584d34e5 First question to try: "@Lemonado What's our activation rate from Amplitude for each of the last 6 weeks, and which week stands out?" More: https://lemonado.io/integrations/amplitude · https://lemonado.io/llms.txt
Frequently Asked Questions
Yes. Amplitude's own MCP server works in ChatGPT for Enterprise customers and on Plus with an add-on. Lemonado works as a ChatGPT plugin and adds your ad platforms and CRM, so ChatGPT can answer what a retained user cost, not just how many there are.
Yes. Amplitude's MCP server is hosted, so ChatGPT can use it too. It covers Amplitude only. Lemonado covers Amplitude plus your ad platforms, GA4 and the rest of your stack in one connection, so ChatGPT can answer questions across them.
Check that Lemonado is installed at chatgpt.com/plugins, then pick it with @ in a new chat. Workspace admins can turn custom plugins off. In Lemonado, check that Amplitude is connected and External tools is on for the company. If events look empty, check the data center (US or EU) and that you connected the production project.
Yes, if both are connected in Lemonado. One connection reaches every source you allow, so you can ask things like "Compare Google Ads conversions for sign_up last week with sign_up events in Amplitude that carry a gclid."
MCP is included in Lemonado's paid plans and in the free trial, so you can try it before you pay.
Still have a question?
Shoot us an email at hello@lemonado.io.
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