systemprompt.io

systemprompt.io governs connected AI clients, models, and tools with access policies and audit on user infrastructure.

systemprompt.io
systemprompt.io homepage screenshot

About systemprompt.io

systemprompt.io is a self-hosted control plane for governing connected AI clients, models, and tools. It sits between clients, model providers, and tools, and runs on infrastructure controlled by the user with a Rust runtime and PostgreSQL database.

You can connect supported coding agents, desktop clients, and internal agents through a common gateway. You can route model requests from Anthropic, OpenAI, Google, and Groq, apply identity and tool permissions with policy checks before execution, supply credentials to tool processes, and review policy decisions, execution records, and model usage in your own environment.

It suits platform, security, and IT teams that need to manage model access and tool use while keeping audit data inside their perimeter. It also supports developers who compile Rust extensions to add tools, jobs, APIs, and domain rules to the same runtime.

Key features

  • Self-hosted gateway for AI clients, models and tools
  • Model routing across Anthropic, OpenAI, Google and Groq
  • Identity and tool permissions with pre-execution checks
  • Credential injection to tool processes without prompts
  • Queryable audit records and structured JSON logs
  • Rust runtime with PostgreSQL for cloud or on-premises
Best for: Platform and security teams that need to govern AI model and tool access on their own infrastructure.
Good for
  • Runs in user cloud or on premises
  • Keeps policy decisions and audit in user environment
  • Supports hosted providers and local inference
  • Extensible with compiled Rust extensions
Watch out for
  • Bypass traffic is outside governance boundary
  • Hosted models send requests outside user environment
  • Disconnected use requires local models and services

systemprompt.io at a glance

Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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systemprompt.io FAQ

What is systemprompt.io?
It is a self-hosted control plane that governs connected AI clients, models, and tools. It applies access policies and records policy decisions, execution, and usage in the user's environment.
Do teams need to replace their AI clients to use it?
No. Supported clients with configurable model or MCP endpoints can route traffic through SystemPrompt. Requests that bypass the deployment are outside its governance boundary.
Where does data go in a self-hosted deployment?
The runtime and database run in the user's environment. If a hosted model provider or external tool is used, those requests leave that environment.
How can teams evaluate it?
They can clone the public template, follow the setup documentation, and test a representative client and tool path. A live web demo is also available with registration.
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