diff --git a/box/overall/custom-agent.mdx b/box/overall/custom-agent.mdx
index 8e5b0e73c..11cf78f5a 100644
--- a/box/overall/custom-agent.mdx
+++ b/box/overall/custom-agent.mdx
@@ -252,10 +252,11 @@ This only works for boxes created with `agent.harness: Agent.Custom`.
 
 ## Custom Harness Examples
 
-Ready-to-run examples for popular open-source agents:
+Ready-to-run examples for popular agents:
 
 - [Pi](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-pi-agent.ts) — multi-provider coding agent
-- [Gemini](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-gemini-agent.ts) — Google Gemini via `@google/genai`
+- [Gemini](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-gemini-agent.ts) — Google's Gemini CLI coding agent
+- [Copilot CLI](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-copilot-agent.ts) — GitHub Copilot's coding agent CLI, with a Copilot subscription or your own model key
 - [Aider](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-aider-agent.ts) — git-aware code editor
 - [Goose](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-goose-agent.ts) — autonomous coding agent
 - [Amp](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-amp-agent.ts) — Amp coding agent, sessions map to Amp threads
diff --git a/box/overall/custom-harness/copilot.mdx b/box/overall/custom-harness/copilot.mdx
new file mode 100644
index 000000000..c00fed2bb
--- /dev/null
+++ b/box/overall/custom-harness/copilot.mdx
@@ -0,0 +1,4 @@
+---
+title: Copilot CLI
+url: https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-copilot-agent.ts
+---
diff --git a/docs.json b/docs.json
index 27b714164..98369b6d5 100644
--- a/docs.json
+++ b/docs.json
@@ -2120,6 +2120,7 @@
                           "box/overall/custom-agent",
                           "box/overall/custom-harness/pi",
                           "box/overall/custom-harness/gemini",
+                          "box/overall/custom-harness/copilot",
                           "box/overall/custom-harness/aider",
                           "box/overall/custom-harness/goose",
                           "box/overall/custom-harness/amp",
diff --git a/llms-full.txt b/llms-full.txt
index 804004991..ddc3ca71e 100644
--- a/llms-full.txt
+++ b/llms-full.txt
@@ -9067,10 +9067,11 @@ This only works for boxes created with `agent.harness: Agent.Custom`.
 
 ## Custom Harness Examples
 
-Ready-to-run examples for popular open-source agents:
+Ready-to-run examples for popular agents:
 
 * [Pi](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-pi-agent.ts) — multi-provider coding agent
-* [Gemini](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-gemini-agent.ts) — Google Gemini via `@google/genai`
+* [Gemini](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-gemini-agent.ts) — Google's Gemini CLI coding agent
+* [Copilot CLI](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-copilot-agent.ts) — GitHub Copilot's coding agent CLI, with a Copilot subscription or your own model key
 * [Aider](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-aider-agent.ts) — git-aware code editor
 * [Goose](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-goose-agent.ts) — autonomous coding agent
 * [Amp](https://github.com/upstash/box/blob/main/packages/sdk/examples/custom-amp-agent.ts) — Amp coding agent, sessions map to Amp threads
@@ -9090,6 +9091,9 @@ Source: https://upstash.com/docs/box/overall/custom-harness/aider
 # Amp
 Source: https://upstash.com/docs/box/overall/custom-harness/amp
 
+# Copilot CLI
+Source: https://upstash.com/docs/box/overall/custom-harness/copilot
+
 # CrewAI
 Source: https://upstash.com/docs/box/overall/custom-harness/crewai
 
diff --git a/llms.txt b/llms.txt
index 982fc772e..dfa14f4e2 100644
--- a/llms.txt
+++ b/llms.txt
@@ -93,6 +93,7 @@ Search these docs: GET https://upstash.com/docs/search?q=<query> returns JSON {
 - [How to Add a Custom Agent](https://upstash.com/docs/box/overall/custom-agent.md)
 - [Aider](https://upstash.com/docs/box/overall/custom-harness/aider.md)
 - [Amp](https://upstash.com/docs/box/overall/custom-harness/amp.md)
+- [Copilot CLI](https://upstash.com/docs/box/overall/custom-harness/copilot.md)
 - [CrewAI](https://upstash.com/docs/box/overall/custom-harness/crewai.md)
 - [Gemini](https://upstash.com/docs/box/overall/custom-harness/gemini.md)
 - [Goose](https://upstash.com/docs/box/overall/custom-harness/goose.md)