Dagger MCP Server

An MCP (Model Context Protocol) server that exposes Dagger CI/CD capabilities as tools for AI assistants.

Tools Provided

| Tool | Description | |------|-------------| | dagger_version | Get the installed Dagger version | | dagger_call | Run a Dagger function from a module | | dagger_functions | List all functions in a Dagger module | | dagger_build | Build a container image using Dagger | | dagger_query | Execute a Dagger GraphQL query | | dagger_shell | Run dagger shell with a command | | dagger_init | Initialize a new Dagger module | | dagger_go | Run Dagger with a Go module |

Installation

From Source

git clone https://github.com/user/dagger-mcp-server.git
cd dagger-mcp-server
cargo install --path .

Prerequisites

• Dagger CLI installed
• Rust 1.70+

Usage with MCP Clients

OpenCode

Add to ~/.config/opencode/opencode.json:

{
  "mcpServers": {
    "dagger": {
      "type": "local",
      "command": ["dagger-mcp-server"],
      "enabled": true
    }
  }
}

Claude Desktop

Add to Claude Desktop config:

{
  "mcpServers": {
    "dagger": {
      "command": "dagger-mcp-server"
    }
  }
}

Cursor

Add to Cursor MCP settings:

{
  "mcpServers": {
    "dagger": {
      "command": "dagger-mcp-server"
    }
  }
}

Example Usage

Once configured, your AI assistant can:

# Check Dagger version
"What version of Dagger is installed?"

# List functions in a module
"Show me the available functions in ./my-dagger-module"

# Run a Dagger function
"Run the 'build' function in the ./ci module"

# Build and push an image
"Build using the 'container' function and push to ghcr.io/myorg/myapp:v1"

Development

# Build
cargo build

# Run locally (stdio mode)
cargo run

# Test with Dagger
dagger version
cargo run

License

MIT