Tavily MCP Server

Local stdio MCP proxy with lazy Tavily API key failover

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What is the Tavily MCP Server?

Local stdio MCP proxy with lazy Tavily API key failover

The short version

它将 Tavily 上游提供的工具定义、参数和调用结果转发给 Agent,并负责管理多个 API Key。当当前 Key 的额度耗尽、受到限流或失效时,代理会自动切换到下一个 Key, 无需修改 Agent 的提示词或工具调用方式。

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Maintainer setup documentation.

How to install the Tavily MCP Server

{
  "mcpServers": {
    "tavily": {
      "command": "npx",
      "args": ["-y", "tavily-proxy-mcp"],
      "env": {
        "TAVILY_API_KEYS": "tvly-key1,tvly-key2,tvly-key3"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
TAVILY_API_KEYSCredential the server authenticates with.Yes
TAVILY_PROXY_LOG_LEVELConfiguration value read at startup.Optional
TAVILY_MCP_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • “Use Tavily to TAVILY API KEYS.”
  • “Use Tavily to TAVILY MCP URL.”
  • “Use Tavily to TAVILY PROXY LOG LEVEL.”

Frequently asked questions

Local stdio MCP proxy with lazy Tavily API key failover Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.