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GreptimeTeam/greptimedb-mcp-server: A Model Context Protocol (MCP) server implementation for GreptimeDB

A Model Context Protocol (MCP) server implementation for GreptimeDB.

This server provides AI assistants with a secure and structured way to explore and analyze databases. It enables them to list tables, read data, and execute SQL queries through a controlled interface, ensuring responsible database access.

This is an experimental project that is still under development. Data security and privacy issues have not been specifically addressed, so please use it with caution.

• list_resources to list tables
• read_resource to read table data
• list_tools to list tools
• call_tool to execute an SQL
• list_prompts to list prompts
• get_prompt to get the prompt by name

pip install greptimedb-mcp-server

Set the following environment variables:

GREPTIMEDB_HOST=localhost    # Database host
GREPTIMEDB_PORT=4002         # Optional: Database MySQL port (defaults to 4002 if not specified)
GREPTIMEDB_USER=root
GREPTIMEDB_PASSWORD=
GREPTIMEDB_DATABASE=public
GREPTIMEDB_TIMEZONE=UTC

Or via command-line args:

• --host the database host, localhost by default,
• --port the database port, must be MySQL protocol port, 4002 by default,
• --user the database username, empty by default,
• --password the database password, empty by default,
• --database the database name, public by default.
• --timezone the session time zone, empty by default(using server default time zone).

Configure the MCP server in Claude Desktop's configuration file:

Location: ~/Library/Application Support/Claude/claude_desktop_config.json

Location: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "greptimedb": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/greptimedb-mcp-server",
        "run",
        "-m",
        "greptimedb_mcp_server.server"
      ],
      "env": {
        "GREPTIMEDB_HOST": "localhost",
        "GREPTIMEDB_PORT": "4002",
        "GREPTIMEDB_USER": "root",
        "GREPTIMEDB_PASSWORD": "",
        "GREPTIMEDB_DATABASE": "public",
        "GREPTIMEDB_TIMEZONE": ""
      }
    }
  }
}

MIT License - see LICENSE.md file for details.

• Python with uv package manager
• GreptimeDB installation
• MCP server dependencies

# Clone the repository
git clone https://github.com/GreptimeTeam/greptimedb-mcp-server.git
cd greptimedb-mcp-server

# Create virtual environment
uv venv
source venv/bin/activate  # or `venv\Scripts\activate` on Windows

# Install development dependencies
uv sync

# Run tests
pytest

Use MCP Inspector for debugging:

npx @modelcontextprotocol/inspector uv \
  --directory \
  /path/to/greptimedb-mcp-server \
  run \
  -m \
  greptimedb_mcp_server.server

This library's implementation was inspired by the following two repositories and incorporates their code, for which we express our gratitude：

• ktanaka101/mcp-server-duckdb
• designcomputer/mysql_mcp_server
• mikeskarl/mcp-prompt-templates

Thanks!

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