Voiceflow Client MCP Server

MCP client for Voiceflow Agent

Local serverstdioGo

What is the Voiceflow Client MCP server?

Voiceflow Client MCP server exists for a simple reason — assistants are far more useful when they can act on Voiceflow Client directly instead of describing what you should do. MCP client for Voiceflow Agent.

What you get

A Node.js client for the Model Context Protocol (MCP) that integrates with remote MCP servers to provide tools for your Voiceflow Agent.

  • Support for multiple remote MCP servers
  • HTTP transport for server communication
  • Tool discovery and integration with Claude AI
  • Configurable server integration through JSON
  • Automatic error handling and retries

What the assistant can call

Once Voiceflow Client is connected, these are the calls the assistant has available:

Setting it up

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

Configuration and credentials

You will need 4 environment variables: BRAVE_API_KEY, OPENWEATHER_API_KEY, ANTHROPIC_API_KEY, ZAPIER_MCP_URL. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

  • Node.js 20.x or higher - npm

Choosing this one

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Voiceflow Client's toolset — Prerequisites, Installation — is a fair guide to whether it matches your workflow. It is maintained by voiceflow-community; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the voiceflow client mcp server does with a few real requests.

Available tools

ToolWhat it does
PrerequisitesThe Prerequisites tool exposed by this server.
Installation1. Clone the repository with submodules: bash git clone --recursive https://github.com/voiceflow-gallagan/voiceflow-mcp-server-client.git

How to install the Voiceflow Client MCP server

{
  "mcpServers": {
    "playwright": {
      "command": "npx",
      "args": ["@playwright/mcp@latest", "--headless"]
    },
    "brave-search": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-brave-search"],
      "env": {
        "BRAVE_API_KEY": "${BRAVE_API_KEY}"
      }
    },
    "time-mcp": {
      "command": "npx",
      "args": ["-y", "time-mcp"]
    },
    "weather-server": {
      "command": "node",
      "args": ["mcp-servers/weather-mcp-server/build/index.js"],
      "env": {
        "OPENWEATHER_API_KEY": "${OPENWEATHER_API_KEY}"
      },
      "disabled": false,
      "autoApprove": []
    },
    "google-calendar": {
      "command": "node",
      "args": ["./mcp-servers/google-calendar-mcp/build/index.js"]
    }
  }
}

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

Configuration

  • Node.js 20.x or higher - npm
VariableDescriptionRequired
BRAVE_API_KEYCredential the server authenticates with.Yes
OPENWEATHER_API_KEYCredential the server authenticates with.Yes
ANTHROPIC_API_KEYCredential the server authenticates with.Yes
ZAPIER_MCP_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • Use Voiceflow Client to Prerequisites.
  • Use Voiceflow Client to Installation.

Frequently asked questions

It connects Voiceflow Client to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Prerequisites, Installation) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Voiceflow Client directly.