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Top 11 Rust Terraform Projects
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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cloudformation-guard
Guard offers a policy-as-code domain-specific language (DSL) to write rules and validate JSON- and YAML-formatted data such as CloudFormation Templates, K8s configurations, and Terraform JSON plans/configurations against those rules. Take this survey to provide feedback about cfn-guard: https://amazonmr.au1.qualtrics.com/jfe/form/SV_bpyzpfoYGGuuUl0
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tfmcp
🌍 Terraform Model Context Protocol (MCP) Tool - An experimental CLI tool that enables AI assistants to manage and operate Terraform environments. Supports reading Terraform configurations, analyzing plans, applying configurations, and managing state with Claude Desktop integration. ⚡️
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tunneler
Tunnel TCP or UDP traffic over TCP, (mutual) TLS or DNS (authoritative server or direct connection), implemented in Rust
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termaxa
A cooperative gate for the shell commands AI agents run. Previews, backups, policy, audit. Claude Code + Cursor. A windshield, not a sandbox.
Project mention: Show HN: Termaxa – my agent gate passed its security rig, failed a two-user test | news.ycombinator.com | 2026-08-18 -
AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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hayashi
A Rust-based diagramming-as-code API that allows you to turn your .tfstate file into details architecture boundary diagrams.
Project mention: Hayashi – Architecture Boundary Diagrams as Code | news.ycombinator.com | 2026-05-04 -
CostPilot
Deterministic, offline CLI for detecting and explaining cloud cost regressions in Terraform pull requests.
Project mention: Show HN: Estimate infrastructure cost deltas from Terraform plans (offline) | news.ycombinator.com | 2026-01-12 -
rust-ai-gateway
⚡ Production-grade Distributed AI Gateway built in Rust — Multi-provider routing (OpenAI +Claude+ Ollama), auth, rate limiting, usage tracking, Prometheus metrics, Grafana dashboards, Docker + AWS deployment
Project mention: I Built a Production-Grade AI Gateway in Rust — Here's What I Learned | dev.to | 2026-06-10👉 GitHub: MihirMohapatra/rust-ai-gateway
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Terraform discussion
Rust Terraform related posts
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Pull Request Reporting with CDK-Validator-CFNGuard and Azure DevOps
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OS choices for cluster
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Write AWS Config rules using cfn-guard
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This is how you can test your cfn-guard rules
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How do you prove that your infrastructure is compliant
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Uncomplicating cloud Security — Foundations (Part 1)
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Validating cloudFormation templates
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A note from our sponsor - Kargo
akuity.io | 8 Sep 2026
Index
What are some of the best open-source Terraform projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | engine | 2,460 |
| 2 | cloudformation-guard | 1,386 |
| 3 | tfmcp | 371 |
| 4 | rustshop | 79 |
| 5 | tunneler | 75 |
| 6 | plutomi | 71 |
| 7 | termaxa | 20 |
| 8 | oneseal | 12 |
| 9 | hayashi | 11 |
| 10 | CostPilot | 2 |
| 11 | rust-ai-gateway | 1 |
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Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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