Map your DevOps platform onto agent tools for CI/CD, cost, security, and more
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Tracked since2026
What is Harness MCP?
Harness publishes an official MCP server that maps its DevOps platform onto agent tools, spanning dozens of toolsets and hundreds of resource types. On the delivery side an agent can list and inspect pipelines, trigger executions, pull step logs to diagnose a failed build, and read connectors, services, environments, infrastructure definitions, templates, input sets and triggers.
Coverage extends well past CI/CD. Cloud Cost Management exposes spend and recommendations, Security Testing Orchestration returns scan results, Software Supply Chain Assurance covers artifact evidence, and there are toolsets for the Internal Developer Portal catalog, GitOps, chaos experiments, feature flags, database DevOps, infrastructure as code management, artifact registries, dashboards, policies, access control and audit events. Toolsets are selected through an environment variable, so you expose only the modules a given agent should reach.
Deployment is flexible: a local stdio process for desktop clients, a self-hosted HTTP service suitable for Docker or Kubernetes, or the Harness-operated endpoint using platform OAuth. Single-user setups authenticate with a personal or service account API key, while HTTP mode can accept per-session credentials from each client. Every call runs under the caller's RBAC, which makes it practical for platform teams that want an agent triaging failed deployments or answering cost questions without a permissions detour.
Key Features
- List pipelines, trigger executions and pull step logs from failed builds
- Browse connectors, services, environments and infrastructure definitions
- Query Cloud Cost Management spend data and cost recommendations
- Read Security Testing Orchestration scans and supply chain evidence
- Enable or disable individual toolsets via an environment variable
- Local stdio, self-hosted HTTP or a Harness-hosted OAuth endpoint
Pricing
Freemium
Harness MCP offers a generous free tier with optional paid upgrades for advanced features.
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Harness MCP FAQ
How does Harness MCP help a platform team triage a failed CI/CD build?
Harness MCP allows an agent to list and inspect pipelines, trigger executions, and pull step logs to diagnose a failed build. It also reads connectors, services, environments, and infrastructure definitions, so the agent can identify the root cause without switching tools.
How does Harness MCP compare to GitHub Actions for DevOps automation?
Harness MCP extends beyond CI/CD to include Cloud Cost Management, Security Testing Orchestration, and Software Supply Chain Assurance, whereas GitHub Actions focuses primarily on CI/CD workflows. Harness MCP also provides flexible deployment options and RBAC enforcement per call, which GitHub Actions does not offer in the same way.
Which teams benefit most from using Harness MCP?
Platform teams that manage CI/CD, cost, security, and governance across multiple modules benefit most from Harness MCP. It also suits teams that want an agent to answer cost questions or triage deployments without a permissions detour, since every call runs under the caller's RBAC.
How is Harness MCP priced?
Harness MCP is available on a free tier, with paid plans for more usage and features. This allows teams to start with no upfront cost and scale as their needs grow.
Can Harness MCP be deployed in a self-hosted environment like Docker or Kubernetes?
Yes, Harness MCP supports a self-hosted HTTP service suitable for Docker or Kubernetes, in addition to a local stdio process for desktop clients and a Harness-operated endpoint using platform OAuth. This flexibility lets teams choose the deployment that fits their infrastructure.
Does Harness MCP support security testing and compliance workflows?
Yes, Harness MCP includes Security Testing Orchestration to return scan results and Software Supply Chain Assurance to cover artifact evidence. These toolsets are selected through an environment variable, so you expose only the modules a given agent should reach.
How does Harness MCP handle authentication and permissions for different users?
Single-user setups authenticate with a personal or service account API key, while HTTP mode can accept per-session credentials from each client. Every call runs under the caller's RBAC, making it practical for platform teams that want an agent to perform actions without a permissions detour.
What kind of integrations does Harness MCP offer beyond CI/CD?
Harness MCP covers Cloud Cost Management for spend and recommendations, GitOps, chaos experiments, feature flags, database DevOps, infrastructure as code management, artifact registries, dashboards, policies, access control, and audit events. This spans dozens of toolsets and hundreds of resource types.
Source: developer.harness.io