Infrastructure Automation MCP Servers — Ansible, Terraform, Pulumi, OpenTofu & Beyond

At a glance: Every major IaC platform except Chef, Puppet, and SaltStack has at least one MCP server. Terraform leads (1,300 stars, registry intelligence). Red Hat ships Ansible MCP as tech preview in AAP 2.6.4. Pulumi pushes the boundary with autonomous infrastructure via Neo delegation. Rating: 4.0/5. Terraform / HCP Terraform hashicorp/terraform-mcp-server (1,300 stars, Go, 35+ tools). Registry intelligence, not execution — provider docs, module specs, Sentinel policies. HCP workspace management for platform users. Dual transport: stdio + StreamableHTTP. severity1/terraform-cloud-mcp (23 stars, Python, 60+ tools) — full Terraform Cloud API coverage. Workspaces, runs, plans, applies, cost estimation. safe_delete_workspace() with explicit guard for destructive ops. nwiizo/tfmcp (357 stars, Rust, 30+ tools) — full execution: init, plan, apply, destroy, state management, security scanning. The "give my AI agent full Terraform CLI access" option. Ansible — Broadest Ecosystem 5 distinct o