Spinnaker-MCP

A bridge that exposes any Spinnaker instance as an MCP v1 server via the Gate API, written in Go.

What you get

| Category | Tool | Description | |----------|------|-------------| | Applications | list_applications | List all Spinnaker applications | | | get_application | Get detailed application info (accounts, clusters, attributes) | | Pipelines | list_pipelines | List pipeline configurations for an application | | | get_pipeline | Get a specific pipeline's full configuration | | | trigger_pipeline | Trigger a pipeline with optional parameters | | | save_pipeline | Save/create a pipeline definition | | | update_pipeline | Update an existing pipeline definition | | | delete_pipeline | Delete a pipeline definition | | | get_pipeline_history | Get revision history for a pipeline config | | Executions | list_executions | List recent executions, filterable by status | | | get_execution | Get full execution details (stages, outputs, timing) | | | search_executions | Rich search by trigger type, time range, status | | | cancel_execution | Cancel a running execution with optional reason | | | pause_execution | Pause a running execution at the current stage | | | resume_execution | Resume a paused execution | | | restart_stage | Restart a failed stage within an execution | | | evaluate_expression | Evaluate a SpEL expression against an execution | | Strategies | list_strategies | List deployment strategy configurations | | | save_strategy | Create or update a deployment strategy | | | delete_strategy | Delete a deployment strategy | | Infrastructure | list_server_groups | List server groups (deployment targets) with instance counts | | | list_load_balancers | List load balancers across all accounts and regions | | | list_clusters | List cluster names grouped by account | | | get_cluster | Get cluster details including server groups | | | get_scaling_activities | Get scaling activities for a cluster | | | get_target_server_group | Target-based server group lookup (newest, oldest, etc.) | | | list_firewalls | List all firewalls/security groups across accounts | | | get_firewall | Get firewall details by account, region, and name | | | get_instance | Get instance details (health, metadata, launch time) | | | get_console_output | Get instance console output for debugging | | | find_images | Search for machine images by tags, region, account | | | get_image_tags | List image tags for a repository | | | list_networks | List VPCs/networks by cloud provider | | | list_subnets | List subnets by cloud provider | | | list_accounts | List all configured cloud accounts/credentials | | | get_account | Get account details and permissions | | Tasks | get_task | Get orchestration task status (deploy, resize, rollback) |

Everything is exposed over JSON-RPC. LLMs and agents can: initialize -> listTools -> callTool and interact with your Spinnaker deployments.

Quick-start

npm (stdio transport)

npx spinnaker-mcp

Or install globally:

npm install -g spinnaker-mcp
spinnaker-mcp

This downloads the pre-built Go binary for your platform and runs it with stdio transport.

Docker

docker run --rm -e GATE_URL=http://spin-gate:8084 -e TRANSPORT=stdio drumsergio/spinnaker-mcp:0.3.0

Local build

git clone https://github.com/GeiserX/spinnaker-mcp
cd spinnaker-mcp

cp .env.example .env && $EDITOR .env

go run ./cmd/server

Configuration

| Variable | Default | Description | |----------|---------|-------------| | GATE_URL | http://localhost:8084 | Spinnaker Gate API endpoint (without trailing /) | | GATE_TOKEN | (empty) | Bearer token for authentication | | GATE_USER | (empty) | Basic auth username (alternative to token) | | GATE_PASS | (empty) | Basic auth password | | GATE_CERT_FILE | (empty) | Path to x509 client certificate (PEM) | | GATE_KEY_FILE | (empty) | Path to x509 client key (PEM) | | GATE_INSECURE | false | Skip TLS certificate verification | | TRANSPORT | (empty = HTTP) | Set to stdio for stdio transport | | MCP_PORT | 8085 | HTTP transport port (ignored when TRANSPORT=stdio) | | MCP_BIND_ADDR | 127.0.0.1 | HTTP transport bind address (set to 0.0.0.0 to listen on all interfaces) |

Authentication priority: Bearer token > Basic auth > x509 client cert > No auth.

Put them in a .env file (from .env.example) or set them in the environment.

Claude Code / Claude Desktop configuration

{
  "mcpServers": {
    "spinnaker": {
      "command": "npx",
      "args": ["-y", "spinnaker-mcp"],
      "env": {
        "GATE_URL": "https://spin-gate.example.com",
        "GATE_TOKEN": "your-token-here"
      }
    }
  }
}

Testing

go test -v -race ./...

Tested with Inspector. Before making a PR, make sure this MCP server behaves well via that tool.

Credits

Spinnaker -- open-source continuous delivery platform

MCP-GO -- Go MCP implementation

GoReleaser -- painless multi-arch releases

Maintainers

@GeiserX.

Contributing

Feel free to dive in! Open an issue or submit PRs.

Spinnaker-MCP follows the Contributor Covenant Code of Conduct.

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