How to Connect PostHog to Claude
Query your PostHog data directly from Claude using Sequel’s MCP server. Ask questions in plain English, with no SQL, no dashboards, and no context switching.
Short answer
Connect PostHog to Sequel, then add Sequel's MCP server to Claude using the config on this page. Claude can then query your live PostHog data in plain English, with no connector code and no CSV exports. Both steps take a few minutes.
Everything you can ask Claude about your PostHog data.
Ask in plain English — Sequel translates it into a PostHog query, runs it, and Claude hands back the answer. No SQL, no dashboards, no CSV exports.
- How many unique users triggered $pageview yesterday, by country?
- Show me the signup → activation funnel for users created in the last 30 days.
- What's the 7-day retention of users in the 'Power users' cohort?
- Which 10 feature flags have the most evaluations this week?
- Compare conversion rate by browser for the checkout funnel.
How it works
Three steps to get started
Connect PostHog to Sequel
In your Sequel dashboard, go to Connections and add PostHog. Sequel handles authentication and schema discovery automatically.
Add Sequel to the agent
Copy the Sequel MCP configuration into Claude's settings file (shown below). Swap in your API key from Settings → API Keys.
Ask Claude about your data
Restart Claude and start asking questions. "How many unique users triggered $pageview yesterday, by country?" — and get a real answer backed by live PostHog data.
Why Claude
What Claude does with your PostHog data
Ask anything about your data
Claude understands natural language. Just describe what you want to know — "Show me revenue by region for Q1" — and Sequel fetches the data, runs the query, and Claude explains the results in context.
Multi-source analysis in one conversation
Sequel connects to databases, analytics platforms, and SaaS tools. Ask Claude to join your Postgres revenue data with Google Analytics sessions in a single thread — no SQL required.
Python workbench inside the chat
Need a chart or statistical analysis? Claude can run Python code in Sequel's isolated sandbox — pandas, matplotlib, seaborn all included — and return the result directly in your conversation.
Configuration
Add Sequel to Claude
Place this in ~/Library/Application Support/Claude/claude_desktop_config.json and replace sql_your_api_key with a key from Settings → API Keys.
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"sequel": {
"url": "https://api.sequel.sh/mcp",
"headers": {
"Authorization": "Bearer sql_your_api_key"
}
}
}
}Install
Install PostHog MCP in Claude
Pick your app and Sequel installs itself: a one-click link where the client supports it, that client’s own few steps where it doesn’t. Every route signs in with your Sequel account over OAuth, so there is no API key to copy and nothing to keep in sync.
Already have an MCP client?
https://api.sequel.sh/mcp
Add it as a remote (streamable HTTP) server and sign in when prompted. Skills come with it; nothing else to install. Manual setup per client
Add Sequel to Claude
One click: the button above opens Claude with Sequel pre-filled, and Claude signs you in with your Sequel account. There is no key to paste.
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Frequently asked questions
How do I connect PostHog to Claude?
You need two things: (1) connect PostHog to Sequel in your Sequel dashboard under Connections, and (2) add the Sequel MCP config to Claude using the setup shown above. Once both are done, Claude can query your PostHog data directly.
What PostHog data can Claude access?
Claude can access any data available through your PostHog connection in Sequel. Use Sequel's search tool to discover available metrics and dimensions, then execute queries to pull the data you need.
Is my PostHog data sent to Claude's servers?
Query results are returned to Claude as context within your conversation. Only the data you explicitly ask about is retrieved. Sequel never stores your query results permanently — they exist only for the duration of the tool call.
Do I need a Sequel account?
Yes. You need a Sequel account to connect PostHog and generate an API key. Sign up free at sequel.sh — no credit card required. Then create a connection to PostHog and generate an API key from Settings → API Keys.
Can I connect multiple PostHog accounts?
Yes. Sequel supports multiple connections of the same type. If you have multiple PostHog accounts or properties, add each as a separate connection in Sequel. Claude will be able to query all of them.
Does this work with Claude Desktop and Claude.ai?
The JSON config above works with Claude Desktop (Mac and Windows). Claude.ai supports MCP through Workspaces — go to Settings → Integrations to add the Sequel MCP URL there.
What databases can Claude query through Sequel?
Any database or analytics tool you've connected in Sequel: PostgreSQL, MySQL, ClickHouse, BigQuery, Snowflake, Google Analytics, and more. Claude can only access connections your organization has set up.
Is my database data sent to Anthropic?
Query results are passed to Claude as context within your conversation. Anthropic's standard data handling policies apply. Sequel never stores your query results permanently — they exist only for the duration of the tool call.
Can I limit which connections Claude can see?
Sequel MCP is scoped to your organization's connections. You can create separate API keys for different use cases and revoke them at any time from Settings → API Keys.
How do I connect PostHog to Sequel?
Create a Personal API Key in PostHog under Settings → Personal API Keys with read-only scopes: query:read, event_definitions:read, property_definitions:read, insight:read, cohort:read, project:read. Paste it into Sequel along with your host (US Cloud, EU Cloud, or self-hosted base URL) and your numeric project ID, then click Test.
Does Sequel work with PostHog Cloud and self-hosted PostHog?
Both. For PostHog Cloud, use https://us.posthog.com or https://eu.posthog.com. For self-hosted, point the host field at your own base URL (no trailing slash) — as long as the same Personal API Key endpoints exist, Sequel works identically.
What is HogQL, and why does it matter?
HogQL is PostHog's SQL dialect that runs against the raw events table. It's strictly more expressive than the insight builder — joins, window functions, conditional aggregations. Sequel writes HogQL under the hood, which is why it can answer questions a built-in insight can't.
Can Sequel write or change anything in PostHog?
No. The connector only ships read-only tools (HogQL query, list events, list properties, list insights, list cohorts) and works with read-only scopes. The agent cannot create insights, dashboards, cohorts, or feature flags.
Connect PostHog to Claude today
Sign up free, connect your data sources, and start querying in minutes.