How to connect ClickHouse MCP with Cursor

How to integrate ClickHouse MCP with Cursor Cursor is one of the leading AI-powered code editors. It is built to help developers write, understand, and refactor code faster with AI assistance built directly into the editor. And in this guide, I will explain the easiest and most secure way to connect your ClickHouse account to Cursor via Composio Connect, so it can show total user signups for last week, summarize top 5 products by revenue, insert a new sales record into database, and more without ever putting your account credentials at risk.

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ClickHouse is an open-source, column-oriented database for real-time analytics and big data processing using SQL. Its lightning-fast query performance makes it ideal for handling large datasets and delivering instant insights.

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How to integrate ClickHouse MCP with Cursor

Cursor is one of the leading AI-powered code editors. It is built to help developers write, understand, and refactor code faster with AI assistance built directly into the editor.

And in this guide, I will explain the easiest and most secure way to connect your ClickHouse account to Cursor via Composio Connect, so it can show total user signups for last week, summarize top 5 products by revenue, insert a new sales record into database, and more without ever putting your account credentials at risk.

Also integrate ClickHouse with

ChatGPTOpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenCodeVS CodeOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Why Composio?

  • 1,000+ SaaS toolkits out of the box. Skip the work of building and maintaining integrations, Composio gives you instant access to a vast catalog of pre-built connectors.
  • 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. A remote CLI workbench lets LLMs compose these tools into workflows for complex automation.

Connect ClickHouse to Cursor

Two ways to install — pick whichever you prefer.

1. Install with one click

Click the button below to add Composio to Cursor.

↗Install in Cursor

2. Or add manually

Add to your Cursor mcp.json

Open .cursor/mcp.json in your project root (or ~/.cursor/mcp.json for global config) and add the following configuration:

bash
{
  "servers": {
    "composio": {
      "type": "http",
      "url": "https://connect.composio.dev/mcp"
    }
  }
}

3. Authorize

Restart Cursor, then click "Connect" next to Composio in MCP Tools settings.

Cursor MCP Tools settings with Connect button next to Composio

A browser window will open to authorize.

Composio authorization browser window

Connect your ClickHouse account

Back in Cursor, ask the agent to connect to ClickHouse or give it any ClickHouse-related task.

For example, ask it to:

  • "Show total user signups for last week"
  • "Summarize top 5 products by revenue"
  • "Insert a new sales record into database"

It will prompt you to authenticate and authorize access to ClickHouse.

That is it. Composio tools are now available in Cursor, and your ClickHouse account is ready to use.

Conclusion

You have successfully connected ClickHouse to Cursor using Composio Connect. Your agent can now use ClickHouse securely without exposing credentials in prompts or local scripts.

TOOLS

Supported Tools

Every ClickHouse action and event your agent gets out of the box.

Execute ClickHouse Query

Execute a SQL query in ClickHouse and return the results.

Get Database Schema

Get comprehensive schema overview of an entire database including all tables and optionally their column definitions.

Get ClickHouse Play Interface

Get the ClickHouse Play web user interface for interactive query execution.

Get Table Schema

Get detailed schema information for a specific table including column definitions, types, keys, and optionally sample data.

List ClickHouse Databases

List all databases in the ClickHouse instance.

List ClickHouse Tables

List tables in ClickHouse databases.

FRAMEWORKS

How to build ClickHouse MCP Agent with another framework

ChatGPT logo

ChatGPT

Use ClickHouse MCP with ChatGPT

OpenAI Agents SDK logo

OpenAI Agents SDK

Use ClickHouse MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use ClickHouse MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use ClickHouse MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use ClickHouse MCP with Claude Cowork

Codex logo

Codex

Use ClickHouse MCP with Codex

OpenClaw logo

OpenClaw

Use ClickHouse MCP with OpenClaw

Hermes logo

Hermes

Use ClickHouse MCP with Hermes

CLI logo

CLI

Use ClickHouse MCP with CLI

Google ADK logo

Google ADK

Use ClickHouse MCP with Google ADK

LangChain logo

LangChain

Use ClickHouse MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use ClickHouse MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use ClickHouse MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use ClickHouse MCP with LlamaIndex

CrewAI logo

CrewAI

Use ClickHouse MCP with CrewAI

OpenCode logo

OpenCode

Use ClickHouse MCP with OpenCode

VS Code logo

VS Code

Use ClickHouse MCP with VS Code

FAQ

Frequently asked questions

With a standalone ClickHouse MCP server, the agents and LLMs can only access a fixed set of ClickHouse tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from ClickHouse and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Cursor 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 ClickHouse tools.

Yes, absolutely. You can configure which ClickHouse 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.

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 ClickHouse data and credentials are handled as safely as possible.

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A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

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As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

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Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

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