Connects coding agents to a running QuestDB Web Console: notebook cells, SQL queries, and charts.
Connect Runs on your machine
claude mcp add mcp-server-questdb -e CONSOLE_ORIGIN=<CONSOLE_ORIGIN> -e MCP_BRIDGE_PORT=<MCP_BRIDGE_PORT> -e LOG_PATH=<LOG_PATH> -e LOG_LEVEL=<LOG_LEVEL> -- npx -y @questdb/[email protected]{
"mcpServers": {
"mcp-server-questdb": {
"command": "npx",
"args": [
"-y",
"@questdb/[email protected]"
],
"env": {
"CONSOLE_ORIGIN": "<CONSOLE_ORIGIN>",
"MCP_BRIDGE_PORT": "<MCP_BRIDGE_PORT>",
"LOG_PATH": "<LOG_PATH>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"mcp-server-questdb": {
"command": "npx",
"args": [
"-y",
"@questdb/[email protected]"
],
"env": {
"CONSOLE_ORIGIN": "<CONSOLE_ORIGIN>",
"MCP_BRIDGE_PORT": "<MCP_BRIDGE_PORT>",
"LOG_PATH": "<LOG_PATH>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}{
"servers": {
"mcp-server-questdb": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@questdb/[email protected]"
],
"env": {
"CONSOLE_ORIGIN": "<CONSOLE_ORIGIN>",
"MCP_BRIDGE_PORT": "<MCP_BRIDGE_PORT>",
"LOG_PATH": "<LOG_PATH>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CONSOLE_ORIGINOptional | QuestDB Web Console origin. |
MCP_BRIDGE_PORTOptional | Fixed WebSocket port for pairing. Auto-allocated when unset. |
LOG_PATHOptional | Log file location. Defaults to a timestamped file under /tmp/questdb-mcp-bridge. |
LOG_LEVELOptional | Log verbosity. DEBUG adds heartbeats and full tool payloads. |
Details
| Package | @questdb/[email protected] (NPM, stdio) |
| First published | 30 Sep 2026 |
| Last updated | 30 Sep 2026 |
| Registry name | io.github.questdb/mcp-server-questdb |
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