Spinnaker-MCP

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

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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.

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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:0.3.1

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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