How to Connect ClickHouse MCP to OpenClaw
Query your ClickHouse data directly from OpenClaw using Sequel’s MCP server. Ask questions in plain English — no SQL, no dashboards, no context switching.
Everything you can ask OpenClaw about your ClickHouse data.
Ask in plain English — Sequel translates it into a ClickHouse query, runs it, and OpenClaw hands back the answer. No SQL, no dashboards, no CSV exports.
Connect to your agent- How many events did we receive per hour yesterday?
- What's the funnel conversion rate from signup to first purchase?
- Show me the top 10 users by event count this week
- Which event types have increased most in the last 7 days?
- What's the day-1 retention rate for users who signed up last month?
How it works
Three steps to get started
Connect ClickHouse to Sequel
In your Sequel dashboard, go to Connections and add ClickHouse. Sequel handles authentication and schema discovery automatically.
Add the MCP config
Copy the Sequel MCP configuration into OpenClaw's settings file (shown below). Swap in your API key from Settings → API Keys.
Ask OpenClaw about your data
Restart OpenClaw and start asking questions. "How many events did we receive per hour yesterday?" — and get a real answer backed by live ClickHouse data.
Configuration
Add Sequel to OpenClaw
Place this in ~/.openclaw/openclaw.json and replace sql_your_api_key with a key from Settings → API Keys.
~/.openclaw/openclaw.json
{
"mcp": {
"servers": {
"sequel": {
"url": "https://api.sequel.sh/mcp",
"transport": "streamable-http",
"headers": {
"Authorization": "Bearer sql_your_api_key"
}
}
}
}
}Sequel CLI
Install ClickHouse MCP to OpenClaw
The Sequel CLI installs ClickHouse into OpenClaw in one step — it signs you in, provisions a scoped API key, and writes the right config to the right place. No keys to copy by hand.
Prefer npm? npm install -g @sequelsh/cli@latest works too.
- 1
Install the Sequel CLI
One line installs the latest CLI with whatever package manager you have.
curl -fsSL https://sequel.sh/install | sh - 2
Sign in
Authenticate in your browser and pick an organization.
sequel login - 3
Install into OpenClaw
One command installs Sequel into OpenClaw and writes its MCP config.
sequel install openclaw
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Frequently asked questions
How do I connect ClickHouse to OpenClaw?
You need two things: (1) connect ClickHouse to Sequel in your Sequel dashboard under Connections, and (2) add the Sequel MCP config to OpenClaw using the setup shown above. Once both are done, OpenClaw can query your ClickHouse data directly.
What ClickHouse data can OpenClaw access?
OpenClaw can access any data available through your ClickHouse 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 ClickHouse data sent to OpenClaw's servers?
Query results are returned to OpenClaw 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 ClickHouse and generate an API key. Sign up free at sequel.sh — no credit card required. Then create a connection to ClickHouse and generate an API key from Settings → API Keys.
Can I connect multiple ClickHouse accounts?
Yes. Sequel supports multiple connections of the same type. If you have multiple ClickHouse accounts or properties, add each as a separate connection in Sequel. OpenClaw will be able to query all of them.
Connect ClickHouse to OpenClaw today
Sign up free, connect your data sources, and start querying in minutes.