# How to connect PostHog MCP with ChatGPT ```json { "title": "How to connect PostHog MCP with ChatGPT", "toolkit": "PostHog MCP", "toolkit_slug": "posthog_mcp", "framework": "ChatGPT", "framework_slug": "chatgpt", "url": "https://composio.dev/toolkits/posthog_mcp/framework/chatgpt", "markdown_url": "https://composio.dev/toolkits/posthog_mcp/framework/chatgpt.md", "updated_at": "2026-08-25T05:32:36.332Z" } ``` ## Introduction ### How to connect PostHog MCP with ChatGPT [ChatGPT](https://chatgpt.com/) can take action across your apps and files, stay with a project for hours, and turn a goal into finished materials like sheets, slides, and docs, not just answers. In this guide, I will explain the easiest and most secure way to connect your PostHog account to ChatGPT via Composio Connect, so it can query event data, list feature flags, analyze experiment results, fetch recent errors, and generate retention reports through natural language commands without ever putting your account credentials at risk. ## Also integrate PostHog MCP with - [Claude Cowork](https://composio.dev/toolkits/posthog_mcp/framework/claude-cowork) - [Hermes](https://composio.dev/toolkits/posthog_mcp/framework/hermes-agent) ## TL;DR ### Why use Composio over default connectors? - Apps with read and write access. Default connectors mostly can read your data. Composio's PostHog integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more. - 1,500+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce. - One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app. - Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand. - Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation. ## Connect PostHog MCP to ChatGPT ### Prerequisites - A ChatGPT account. We will use the [ChatGPT desktop app](https://openai.com/chatgpt/download/), and the steps are the same on the web. - Access to the PostHog workspace you want to connect. - [Composio plugin](https://dashboard.composio.dev/login?utm_source=toolkits&utm_medium=framework_template&utm_campaign=chatgpt&utm_content=composio_connect&next=%2F~%2Forg%2Fconnect%2Fclients%2Fchatgpt). Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account. ### Step-by-step: Connect PostHog to ChatGPT ### 1. Install the Composio plugin Click the button. ChatGPT opens the Composio plugin page. Click Install plugin. [Install in ChatGPT](https://chatgpt.com/plugins/plugin_asdk_app_6a58503580c08191b78cc5bdaf4eba6e) You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin. ### 2. Authenticate After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account. ### 3. Start using Composio That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread PostHog messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize PostHog. ### Option 2: Add Composio as an MCP server If you cannot use the plugin marketplace, add Composio as a custom MCP server instead. ### 1. Open the MCP settings In ChatGPT, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab. ### 2. Add the server Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL: ```bash https://connect.composio.dev/mcp ``` ## What is the PostHog MCP server, and what's possible with it? The PostHog MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your PostHog account. It provides structured and secure access so your agent can perform PostHog operations on your behalf. ## Supported Tools | Tool slug | Name | Description | |---|---|---| | `POSTHOG_MCP_EXEC` | Exec | ### Using the `posthog` tool PostHog makes your product self-driving: it reads your data and ships changes with you, never without you. Spans analytics, experiments, flags, replay, and more. Pass CLI-style commands in the `command` parameter for all PostHog interactions. **Requirements** 1. Find unknown tools with `search` or `tools`. 2. Run `info ` once if its schema is not in context. Reuse it unless the tool changes or a schema error occurs. Never guess a schema or run `info` before every call. **Commands (in order):** ```text # 1. Find unknown tools posthog:exec({ "command": "search " }) posthog:exec({ "command": "tools" }) # fallback: list all # 2. Inspect once if the schema is missing posthog:exec({ "command": "info " }) # 3. Drill into complex fields — REQUIRED for any field with a `hint` posthog:exec({ "command": "schema " }) # 4. Call; reuse the schema posthog:exec({ "command": "call " }) posthog:exec({ "command": "call --json " }) ``` **Schema drill-down:** - `info` returns the full schema if it fits the token budget; otherwise it auto-summarizes (names, types, required, enums, defaults) and attaches `hint` entries pointing to `schema ` for complex fields. - `schema ` (no path) returns the summarized top-level schema. - `schema ` resolves a dot path, descending through: - object `properties` (e.g. `query.source`) - array `items` — numeric segments step into items (`events.0.properties`), or jump to a property on the item type (`events.id`) - `anyOf`/`oneOf` — numeric segment picks a variant by index, or a property name matches any object variant defining it - Oversized sub-schemas are also summarized with a `note` to drill further. - Unknown paths return an error listing available child paths. **Not supported:** - `search` matches tool metadata only, not input schemas. - No pattern-based field projection — drill one path at a time. | ## Supported Triggers None listed. ## Creating MCP Server - Stand-alone vs Composio SDK Once connected, ChatGPT can access the PostHog MCP server via Composio to run actions that you authorize, directly in your workspace. ## Complete Code None listed. ## How to build PostHog MCP Agent with another framework - [Claude Cowork](https://composio.dev/toolkits/posthog_mcp/framework/claude-cowork) - [Hermes](https://composio.dev/toolkits/posthog_mcp/framework/hermes-agent) ## Related Toolkits - [Firecrawl](https://composio.dev/toolkits/firecrawl) - Firecrawl automates large-scale web crawling and data extraction. It helps organizations efficiently gather, index, and analyze content from online sources. - [Tavily](https://composio.dev/toolkits/tavily) - Tavily offers powerful search and data retrieval from documents, databases, and the web. It helps teams locate and filter information instantly, saving hours on research. - [Exa](https://composio.dev/toolkits/exa) - Exa is a data extraction and search platform for gathering and analyzing information from websites, APIs, or databases. It helps teams quickly surface insights and automate data-driven workflows. - [Serpapi](https://composio.dev/toolkits/serpapi) - SerpApi is a real-time API for structured search engine results. It lets you automate SERP data collection, parsing, and analysis for SEO and research. - [Peopledatalabs](https://composio.dev/toolkits/peopledatalabs) - Peopledatalabs delivers B2B data enrichment and identity resolution APIs. 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It helps teams build targeted company lists and enrich data-driven workflows. - [Amplitude](https://composio.dev/toolkits/amplitude) - Amplitude is a digital analytics platform for product and behavioral data insights. It helps teams analyze user journeys and make data-driven decisions quickly. - [Amplitude MCP](https://composio.dev/toolkits/amplitude_mcp) - Amplitude MCP is Amplitude's product analytics service for tracking user behavior and product metrics. Use it to centralize product data and manage charts, dashboards, cohorts, experiments, and taxonomy. - [Audioscrape MCP](https://composio.dev/toolkits/audioscrape_mcp) - Audioscrape MCP lets agents search and retrieve speaker-attributed audio, transcripts, entities, and citations from public and workspace content. Use it to surface searchable, speaker-labeled audio and rich metadata for research, meetings, and content discovery. - [Baremetrics](https://composio.dev/toolkits/baremetrics) - Baremetrics is a subscription analytics platform for recurring-revenue businesses. It helps teams track MRR, churn, customers, and revenue trends in one place. - [Bing Webmaster Tools](https://composio.dev/toolkits/bing_webmaster_tools) - Bing Webmaster Tools is Microsoft's search console for site performance, crawling, indexing, URL submission, and verified site management. It helps site owners understand Bing Search visibility and fix issues that affect organic traffic. - [Bread & Butter](https://composio.dev/toolkits/bread_butter) - Bread & Butter is a lead-intelligence and identity platform for website visitor tracking, user profiles, attribution, authentication, and conversion workflows. 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It helps teams improve onboarding, feature discovery, and product adoption with targeted user experiences. - [Chartly](https://composio.dev/toolkits/chartly) - Chartly renders Chart.js configurations as PNG or SVG images and creates permanent chart URLs for sharing and embedding. Share and embed charts easily with stable image URLs and downloadable vector graphics. ## Frequently Asked Questions ### What are the differences in Tool Router MCP and PostHog MCP? With a standalone PostHog MCP server, the agents and LLMs can only access a fixed set of PostHog tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from PostHog and many other apps based on the task at hand, all through a single MCP endpoint. ### Can I use Tool Router MCP with ChatGPT? Yes, you can. ChatGPT fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right PostHog tools. ### Can I manage the permissions and scopes for PostHog while using Tool Router? Yes, absolutely. You can configure which PostHog scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do. ### How safe is my data with Composio Tool Router? All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your PostHog data and credentials are handled as safely as possible. --- [See all toolkits](https://composio.dev/toolkits) · [Composio docs](https://docs.composio.dev/llms.txt)