diff --git a/README.md b/README.md
index 7eb7a46..1576fbc 100644
--- a/README.md
+++ b/README.md
@@ -269,6 +269,7 @@
 
 ### Observation
 
+* **[agenttrace](https://github.com/luoyuctl/agenttrace)**: TUI observability for AI coding agents: trace cost, tokens, tool failures, latency, anomalies, health, diffs, and CI gates across Claude Code, Codex CLI, Gemini CLI, Aider, Cursor exports, and more. ![Stars](https://img.shields.io/github/stars/luoyuctl/agenttrace.svg?style=flat&color=green) ![Contributors](https://img.shields.io/github/contributors/luoyuctl/agenttrace?color=green) ![LastCommit](https://img.shields.io/github/last-commit/luoyuctl/agenttrace?color=green)
 * **[OpenLLMetry](https://github.com/traceloop/openllmetry)**: Open-source observability for your LLM application, based on OpenTelemetry. ![Stars](https://img.shields.io/github/stars/traceloop/openllmetry.svg?style=flat&color=green) ![Contributors](https://img.shields.io/github/contributors/traceloop/openllmetry?color=green) ![LastCommit](https://img.shields.io/github/last-commit/traceloop/openllmetry?color=green)
 * **[wandb](https://github.com/wandb/wandb)**: The AI developer platform. Use Weights & Biases to train and fine-tune models, and manage models from experimentation to production. ![Stars](https://img.shields.io/github/stars/wandb/wandb.svg?style=flat&color=green) ![Contributors](https://img.shields.io/github/contributors/wandb/wandb?color=green) ![LastCommit](https://img.shields.io/github/last-commit/wandb/wandb?color=green)
 
diff --git a/website/data.yml b/website/data.yml
index ee812a7..96a409e 100644
--- a/website/data.yml
+++ b/website/data.yml
@@ -954,6 +954,13 @@ categories:
       repo_url: https://github.com/e2b-dev/E2B
   - name: Observation
     items:
+    - name: agenttrace
+      description: 'TUI observability for AI coding agents: trace cost, tokens, tool
+        failures, latency, anomalies, health, diffs, and CI gates across Claude Code,
+        Codex CLI, Gemini CLI, Aider, Cursor exports, and more.'
+      homepage_url: https://github.com/luoyuctl/agenttrace
+      logo: default.png
+      repo_url: https://github.com/luoyuctl/agenttrace
     - name: OpenLLMetry
       description: Open-source observability for your LLM application, based on OpenTelemetry.
       homepage_url: https://www.traceloop.com/openllmetry