Cost Guard MCP

Name: Cost Guard MCP
Author: mcpsmiths

mcpsmiths

开始使用源码仓库

Pre-flight query cost and result-size guardrails for AI agents across BigQuery, Snowflake, and Databricks

接入配置

选择客户端，复制配置，再按项目文档补齐环境变量。

一键添加到 Cursor 一键添加到 VS Code

claude mcp add cost-guard --env GOOGLE_APPLICATION_CREDENTIALS='<GOOGLE_APPLICATION_CREDENTIALS>' --env SNOWFLAKE_PRIVATE_KEY_PATH='<SNOWFLAKE_PRIVATE_KEY_PATH>' --env SNOWFLAKE_PRIVATE_KEY_PASSPHRASE='<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>' --env SNOWFLAKE_PASSWORD='<SNOWFLAKE_PASSWORD>' --env DATABRICKS_TOKEN='<DATABRICKS_TOKEN>' --env DATABRICKS_CLIENT_SECRET='<DATABRICKS_CLIENT_SECRET>' -- uvx cost-guard-mcp

~/.codex/config.toml

[mcp_servers.cost-guard]
command = "uvx"
args = ["cost-guard-mcp"]
env = { GOOGLE_APPLICATION_CREDENTIALS = "<GOOGLE_APPLICATION_CREDENTIALS>", SNOWFLAKE_PRIVATE_KEY_PATH = "<SNOWFLAKE_PRIVATE_KEY_PATH>", SNOWFLAKE_PRIVATE_KEY_PASSPHRASE = "<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>", SNOWFLAKE_PASSWORD = "<SNOWFLAKE_PASSWORD>", DATABRICKS_TOKEN = "<DATABRICKS_TOKEN>", DATABRICKS_CLIENT_SECRET = "<DATABRICKS_CLIENT_SECRET>" }

# codex mcp add cost-guard --env GOOGLE_APPLICATION_CREDENTIALS='<GOOGLE_APPLICATION_CREDENTIALS>' --env SNOWFLAKE_PRIVATE_KEY_PATH='<SNOWFLAKE_PRIVATE_KEY_PATH>' --env SNOWFLAKE_PRIVATE_KEY_PASSPHRASE='<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>' --env SNOWFLAKE_PASSWORD='<SNOWFLAKE_PASSWORD>' --env DATABRICKS_TOKEN='<DATABRICKS_TOKEN>' --env DATABRICKS_CLIENT_SECRET='<DATABRICKS_CLIENT_SECRET>' -- uvx cost-guard-mcp

~/.cursor/mcp.json

{
  "mcpServers": {
    "cost-guard": {
      "command": "uvx",
      "args": [
        "cost-guard-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "SNOWFLAKE_PRIVATE_KEY_PATH": "<SNOWFLAKE_PRIVATE_KEY_PATH>",
        "SNOWFLAKE_PRIVATE_KEY_PASSPHRASE": "<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>",
        "SNOWFLAKE_PASSWORD": "<SNOWFLAKE_PASSWORD>",
        "DATABRICKS_TOKEN": "<DATABRICKS_TOKEN>",
        "DATABRICKS_CLIENT_SECRET": "<DATABRICKS_CLIENT_SECRET>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cost-guard": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cost-guard-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "SNOWFLAKE_PRIVATE_KEY_PATH": "<SNOWFLAKE_PRIVATE_KEY_PATH>",
        "SNOWFLAKE_PRIVATE_KEY_PASSPHRASE": "<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>",
        "SNOWFLAKE_PASSWORD": "<SNOWFLAKE_PASSWORD>",
        "DATABRICKS_TOKEN": "<DATABRICKS_TOKEN>",
        "DATABRICKS_CLIENT_SECRET": "<DATABRICKS_CLIENT_SECRET>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "cost-guard": {
      "command": "uvx",
      "args": [
        "cost-guard-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "SNOWFLAKE_PRIVATE_KEY_PATH": "<SNOWFLAKE_PRIVATE_KEY_PATH>",
        "SNOWFLAKE_PRIVATE_KEY_PASSPHRASE": "<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>",
        "SNOWFLAKE_PASSWORD": "<SNOWFLAKE_PASSWORD>",
        "DATABRICKS_TOKEN": "<DATABRICKS_TOKEN>",
        "DATABRICKS_CLIENT_SECRET": "<DATABRICKS_CLIENT_SECRET>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "cost-guard": {
      "command": "uvx",
      "args": [
        "cost-guard-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "SNOWFLAKE_PRIVATE_KEY_PATH": "<SNOWFLAKE_PRIVATE_KEY_PATH>",
        "SNOWFLAKE_PRIVATE_KEY_PASSPHRASE": "<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>",
        "SNOWFLAKE_PASSWORD": "<SNOWFLAKE_PASSWORD>",
        "DATABRICKS_TOKEN": "<DATABRICKS_TOKEN>",
        "DATABRICKS_CLIENT_SECRET": "<DATABRICKS_CLIENT_SECRET>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "cost-guard": {
      "command": "uvx",
      "args": [
        "cost-guard-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "SNOWFLAKE_PRIVATE_KEY_PATH": "<SNOWFLAKE_PRIVATE_KEY_PATH>",
        "SNOWFLAKE_PRIVATE_KEY_PASSPHRASE": "<SNOWFLAKE_PRIVATE_KEY_PASSPHRASE>",
        "SNOWFLAKE_PASSWORD": "<SNOWFLAKE_PASSWORD>",
        "DATABRICKS_TOKEN": "<DATABRICKS_TOKEN>",
        "DATABRICKS_CLIENT_SECRET": "<DATABRICKS_CLIENT_SECRET>"
      }
    }
  }
}

需要的环境变量

GOOGLE_APPLICATION_CREDENTIALS
SNOWFLAKE_PRIVATE_KEY_PATH
SNOWFLAKE_PRIVATE_KEY_PASSPHRASE
SNOWFLAKE_PASSWORD
DATABRICKS_TOKEN
DATABRICKS_CLIENT_SECRET

把占位值换成你自己的密钥；不要把密钥提交到代码仓库。

接入配置

需要的环境变量

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