PostHog MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect PostHog through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
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Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"posthog": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "PostHog Agent",
instructions:
"You help users interact with PostHog " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with PostHog?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About PostHog MCP Server
Connect your PostHog project to any AI agent and take full control of your product analytics and feature management through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and PostHog tool infrastructure. Connect 10 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Insight Exploration — List and retrieve detailed metadata for saved insights, including trends, funnels, and retention charts.
- User Tracking — List identified persons and inspect their properties to understand individual user behavior.
- Feature Management — Maintain a clear view of all feature flags and their current configurations.
- Experiment Monitoring — List active and past experiments to track product improvements and results.
- Event Auditing — List the most recent events captured by your project to verify data ingestion and user actions.
The PostHog MCP Server exposes 10 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect PostHog to Mastra AI via MCP
Follow these steps to integrate the PostHog MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 10 tools from PostHog via MCP
Why Use Mastra AI with the PostHog MCP Server
Mastra AI provides unique advantages when paired with PostHog through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add PostHog without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every PostHog tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
PostHog + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the PostHog MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query PostHog, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed PostHog as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query PostHog on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using PostHog tools alongside other MCP servers
PostHog MCP Tools for Mastra AI (10)
These 10 tools become available when you connect PostHog to Mastra AI via MCP:
get_event
Get details for a specific event
get_insight
Get details for a specific insight
get_person
Get details for a specific person
list_actions
List defined user actions
list_dashboards
List project dashboards
list_events
List recent project events
list_experiments
List all active and past experiments
list_feature_flags
List all feature flags
list_insights
) for the project. List PostHog insights
list_persons
List identified persons/users
Example Prompts for PostHog in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with PostHog immediately.
"List all saved insights in our PostHog project."
"Check the status of all feature flags."
"List the last 5 persons identified in our project."
Troubleshooting PostHog MCP Server with Mastra AI
Common issues when connecting PostHog to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpPostHog + Mastra AI FAQ
Common questions about integrating PostHog MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect PostHog with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect PostHog to Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.