diff --git a/README.md b/README.md
index 7e35509..9af4f11 100644
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+++ b/README.md
@@ -405,6 +405,7 @@ A curated list of awesome tools, skills, plugins, integrations, extensions, fram
 - [**castari-proxy**](https://github.com/castar-ventures/castari-proxy) (73 ⭐) - Use Claude Agent SDK and Claude Code with other providers/models.
 - [**claude-code-open**](https://github.com/Davincible/claude-code-open) (66 ⭐) - Claude Code with any LLM provider (OpenRouter, Gemini, Kimi K2).
 - [**Claudify**](https://github.com/neno-is-ooo/claudify) (32 ⭐) - Use Claude Code as an LLM provider with your subscription flat fee instead of pay-per-token API keys.
+- [**systemprompt-template**](https://github.com/systempromptio/systemprompt-template) - Governance infrastructure for Claude Code and agentic systems. Single compiled Rust binary that authenticates, authorises, rate-limits, logs, and costs every AI interaction before it reaches a tool or database. Self-hosted, air-gap capable, MCP + A2A compatible.
 
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