diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index 86e635278..1f55cffea 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Added
 
 - Exported `convertToPng` for extension authors.
+- Exported `parseArgs` and type `Args` for extension authors.
 
 ## [0.77.0] - 2026-05-28
 
diff --git a/packages/coding-agent/src/index.ts b/packages/coding-agent/src/index.ts
index 975338930..0cdfc7260 100644
--- a/packages/coding-agent/src/index.ts
+++ b/packages/coding-agent/src/index.ts
@@ -1,5 +1,7 @@
 // Core session management
 
+export { type Args, parseArgs } from "./cli/args.ts";
+
 // Config paths
 export { getAgentDir, VERSION } from "./config.ts";
 export {