io.github.friendlygeorge/posthog-mcp-server
MCP server for PostHog — product analytics for AI assistants. Query events, persons, insights, da...
Installation
Ajoutez ceci à la configuration MCP de votre client (Claude Desktop : claude_desktop_config.json ; Cursor : .cursor/mcp.json ; VS Code et les autres utilisent la même forme « mcpServers »).
posthog-mcp-serverclaude mcp add posthog-mcp-server -- npx -y posthog-mcp-server@1.0.0
{
"mcpServers": {
"posthog-mcp-server": {
"command": "npx",
"args": [
"-y",
"posthog-mcp-server@1.0.0"
]
}
}
}
Documentation
Tirée du README du projet sur GitHub, actualisée chaque semaine. Les liens ouvrent GitHub.
Sommaire
PostHog MCP Server
Connect AI assistants to PostHog — query events, persons, insights, dashboards, feature flags, cohorts, and experiments through the Model Context Protocol.
Works with Claude Desktop, Cursor, Windsurf, Cline, Continue, and any MCP-compatible client.
Features
| Tool | Description |
|---|---|
list_events | Query events with filters (event name, person, date range, properties) |
get_person | Get a person (user) by distinct_id — properties, creation date, event count |
list_persons | Search and list persons with pagination |
list_dashboards | List all dashboards — names, tags, widget counts |
get_dashboard | Get a specific dashboard with its insights and widgets |
execute_insight | Execute a saved insight (trend, funnel, etc.) and get results |
list_feature_flags | List all feature flags — key, active status, rollout percentage |
evaluate_feature_flag | Evaluate a flag for a specific user and get variant value |
list_cohorts | List cohorts — name, type (dynamic/static/SQL), person count |
list_experiments | List A/B tests — name, status, feature flag, dates |
get_experiment | Get experiment results with variant data and statistical significance |
list_actions | List custom event actions/definitions |
get_project_info | Get project name, ID, settings, and data region |
Quick Start
1. Get a PostHog API Key
Go to PostHog → Settings → Personal API Keys and create a key with read access.
Or visit: https://your-instance.posthog.com/settings/user-api-keys
2. Configure your MCP client
Claude Desktop — add to claude_desktop_config.json:
{
"mcpServers": {
"posthog": {
"command": "npx",
"args": ["-y", "posthog-mcp-server"],
"env": {
"POSTHOG_API_KEY": "phx_YOUR_API_KEY_HERE",
"POSTHOG_HOST": "https://us.i.posthog.com",
"POSTHOG_PROJECT": "YOUR_PROJECT_ID"
}
}
}
}
Cursor — add to MCP settings (.cursor/mcp.json):
{
"mcpServers": {
"posthog": {
"command": "npx",
"args": ["-y", "posthog-mcp-server"],
"env": {
"POSTHOG_API_KEY": "phx_YOUR_API_KEY_HERE",
"POSTHOG_HOST": "https://us.i.posthog.com",
"POSTHOG_PROJECT": "YOUR_PROJECT_ID"
}
}
}
}
3. Run manually (for testing)
# Clone and build
git clone https://github.com/friendlygeorge/posthog-mcp-server.git
cd posthog-mcp-server
npm install
npm run build
# Run
POSTHOG_API_KEY=phx_... POSTHOG_PROJECT=12345 node dist/index.js
Environment Variables
| Variable | Required | Default | Description |
|---|---|---|---|
POSTHOG_API_KEY | ✅ | — | Your PostHog personal API key (phx_...) |
POSTHOG_HOST | ❌ | https://us.i.posthog.com | PostHog instance URL (use https://eu.i.posthog.com for EU) |
POSTHOG_PROJECT | ❌ | "" | Default project ID. If empty, must be specified per-call. |
Self-hosted PostHog
If you run PostHog on your own infrastructure, set POSTHOG_HOST to your instance URL:
POSTHOG_HOST=https://posthog.yourcompany.com
Example Queries
Once configured, ask your AI assistant:
- "Show me the last 20 pageview events"
- "Who are the most active users this week?"
- "What's the status of our signup conversion experiment?"
- "Is the new-checkout-flow feature flag enabled for user abc123?"
- "Show me all active dashboards"
- "Execute insight 42 and show me the trend"
- "List all feature flags that are currently active"
- "How many people are in the 'Power Users' cohort?"
API Reference
This server wraps the PostHog REST API (v1). Full documentation:
- PostHog API docs: https://posthog.com/docs/api
- MCP protocol: https://modelcontextprotocol.io
- PostHog: https://posthog.com
Development
npm install
npm run dev # Build and run
npm run build # Build only
npm start # Run built output
License
MIT © Nova
Questions fréquentes
Qu'est-ce que io.github.friendlygeorge/posthog-mcp-server ?
MCP server for PostHog — product analytics for AI assistants. Query events, persons, insights, da...
Comment installer io.github.friendlygeorge/posthog-mcp-server ?
Il s'exécute sur votre machine. Dans Claude Code : claude mcp add posthog-mcp-server -- npx -y posthog-mcp-server@1.0.0. Pour les autres clients, collez la configuration JSON de cette page dans leurs réglages MCP.
Faut-il une clé API pour io.github.friendlygeorge/posthog-mcp-server ?
Son entrée au registre n'indique aucune clé ni secret obligatoire. Certaines fonctions peuvent tout de même demander un compte auprès du service auquel il se connecte.
io.github.friendlygeorge/posthog-mcp-server est-il open source ?
Oui. Son code est sur GitHub sous licence MIT.
Qui maintient io.github.friendlygeorge/posthog-mcp-server ?
Il est publié par friendlygeorge. AI.tn le référence sans le maintenir ni le recommander.
Issu du registre MCP officiel. Être listé n'est pas une recommandation : vérifiez le code et les permissions d'un serveur avant de lui donner accès à vos données.