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Open-source (Apache 2.0) control plane and system of record for production AI: policy enforcement, budget guardrails, compliance, and audit across every provider.
StackSpine – an open-source proxy for LLM routing and budget checks
StackSpine is an open-source proxy for LLM apps.
It sits between an app and model providers so requests can be routed, budget-checked, and logged before they are sent upstream.
Repo: https://github.com/stackspine/ga...
Demo: https://stackspine.com/demo/flow
License: Apache-2.0
I built StackSpine because directly calling providers are easy in the beginning. I kept running into questions like:
* which app or task is spending money?
* should this request be blocked before it hits a provider?
* what happens if a provider is unhealthy?
* where do routing decisions get recorded?
* how do I avoid rewriting code every time I add or change providers?
What works in the open-source repo today:
* gateway/proxy for LLM requests
* provider routing
* budget checks before dispatch
* provider health checks and fallback routing
* structured request logs
* local configuration for routes, providers, budgets, and policies
* SDK/API examples
* Docker/local development setup
The hosted demo is just a visual walkthrough. The thing to try is the repo.
I built StackSpine because production AI apps quickly become hard to control once teams use multiple providers, models, apps, and workflows.
StackSpine is an open-source control plane that helps teams route AI requests, enforce budget and policy rules before execution, and keep a structured record of what happened.
The open-source repo includes the gateway/proxy, provider adapters, budget and policy checks, provider health/fallback routing, structured logging, SDK/API examples, and a Docker-based local setup. No signup is required to run it locally.
I’d love feedback from anyone building or operating AI systems in production, especially around routing, cost control, governance, and observability.
About StackSpine on Product Hunt
“Control Production AI”
StackSpine was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #105 on the daily leaderboard. Open-source (Apache 2.0) control plane and system of record for production AI: policy enforcement, budget guardrails, compliance, and audit across every provider.
StackSpine was featured in Productivity (656.6k followers), Open Source (68.6k followers), Artificial Intelligence (474.1k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 294.7k products, making this a competitive space to launch in.
Who hunted StackSpine?
StackSpine was hunted by PrimeAISolutions. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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