MCP Server Doppler

Doppler MCP Server

A simplified Model Context Protocol (MCP) server for read-only access to Doppler secrets management platform.

Features

This MCP server provides three essential tools for accessing Doppler secrets:

doppler_list_projects - List all Doppler projects accessible to your token
doppler_list_secrets - List all secret names in a specific project/config
doppler_get_secret - Get the value of a specific secret

Installation

npm install @lepion/mcp-server-doppler

Configuration

Set up your environment variables:

# Required
DOPPLER_TOKEN=your_doppler_token  # Service token, personal token, or CLI token

# Optional
LOG_LEVEL=info                     # debug, info, warn, error (default: info)

Usage

With Claude Desktop

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "doppler": {
      "command": "npx",
      "args": ["@lepion/mcp-server-doppler"],
      "env": {
        "DOPPLER_TOKEN": "dp.st.your_service_token"
      }
    }
  }
}

Available Tools

1. doppler_list_projects

Lists all Doppler projects accessible by the token.

Parameters: None

Example:

// Response
[
  {
    "id": "proj_123",
    "slug": "my-project",
    "name": "My Project",
    "description": "Production application",
    "created_at": "2024-01-01T00:00:00.000Z",
    "updated_at": "2024-01-01T00:00:00.000Z"
  }
]

2. doppler_list_secrets

Lists all secret names in a specific project and config.

Parameters:

project (string, required) - The Doppler project name
config (string, required) - The config/environment name (e.g., dev, staging, production)

Example:

// Request
{
  "project": "my-project",
  "config": "production"
}

// Response
["DATABASE_URL", "API_KEY", "REDIS_URL", "JWT_SECRET"]

3. doppler_get_secret

Retrieves a specific secret value.

Parameters:

project (string, required) - The Doppler project name
config (string, required) - The config/environment name
name (string, required) - The secret name to retrieve

Example:

// Request
{
  "project": "my-project",
  "config": "production",
  "name": "DATABASE_URL"
}

// Response
{
  "name": "DATABASE_URL",
  "value": {
    "raw": "postgres://user:pass@host:5432/db",
    "computed": "postgres://user:pass@host:5432/db"
  }
}

Security Best Practices

Use Service Tokens: Always use scoped service tokens instead of personal tokens for production use
Limit Token Scope: Create tokens with read-only access and scope them to specific projects/configs
Rotate Tokens: Regularly rotate your Doppler tokens
Never Commit Tokens: Never commit Doppler tokens to version control

Development

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

# Install dependencies
npm install

# Run in development mode
npm run dev

# Build for production
npm run build

# Run tests
npm test

Requirements

Node.js 18 or higher
Valid Doppler account and API token

License

MIT

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

Install Server

HTTP connection URL

security – no known vulnerabilities

license - permissive license

quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

A Model Context Protocol server that provides secure access to Doppler's secret management platform, allowing AI assistants to manage secrets, environment variables, and configurations through Doppler's API.

Related Resources

Reddit Discussion about this server

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MCP Server Doppler

Doppler MCP Server

Features

Installation

Configuration

Usage

With Claude Desktop

Available Tools

1. doppler_list_projects

2. doppler_list_secrets

3. doppler_get_secret

Security Best Practices

Development

Requirements

License

Contributing

Tools

Related Resources

Related MCP Servers

Infisical MCP Serverofficial

Docker Explorer

RL-MCP

Cloud Manage MCP Server

New MCP Servers

MCP directory API