chore: make skill listing generic (#39)

skills/.system/skill-installer/SKILL.md

@@ -7,10 +7,10 @@ metadata:
 
 # Skill Installer
 
-Helps install skills. By default these are from https://github.com/openai/skills/tree/main/skills/.curated, but users can also provide other locations.
+Helps install skills. By default these are from https://github.com/openai/skills/tree/main/skills/.curated, but users can also provide other locations. Experimental skills live in https://github.com/openai/skills/tree/main/skills/.experimental and can be installed the same way.
 
 Use the helper scripts based on the task:
-- List curated skills when the user asks what is available, or if the user uses this skill without specifying what to do.
+- List skills when the user asks what is available, or if the user uses this skill without specifying what to do. Default listing is `.curated`, but you can pass `--path skills/.experimental` when they ask about experimental skills.
 - Install from the curated list when the user provides a skill name.
 - Install from another repo when the user provides a GitHub repo/path (including private repos).
 
@@ -18,7 +18,7 @@ Install skills with the helper scripts.
 
 ## Communication
 
-When listing curated skills, output approximately as follows, depending on the context of the user's request:
+When listing skills, output approximately as follows, depending on the context of the user's request. If they ask about experimental skills, list from `.experimental` instead of `.curated` and label the source accordingly:
 """
 Skills from {repo}:
 1. skill-1
@@ -33,10 +33,12 @@ After installing a skill, tell the user: "Restart Codex to pick up new skills."
 
 All of these scripts use network, so when running in the sandbox, request escalation when running them.
 
-- `scripts/list-curated-skills.py` (prints curated list with installed annotations)
-- `scripts/list-curated-skills.py --format json`
+- `scripts/list-skills.py` (prints skills list with installed annotations)
+- `scripts/list-skills.py --format json`
+- Example (experimental list): `scripts/list-skills.py --path skills/.experimental`
 - `scripts/install-skill-from-github.py --repo <owner>/<repo> --path <path/to/skill> [<path/to/skill> ...]`
 - `scripts/install-skill-from-github.py --url https://github.com/<owner>/<repo>/tree/<ref>/<path>`
+- Example (experimental skill): `scripts/install-skill-from-github.py --repo openai/skills --path skills/.experimental/<skill-name>`
 
 ## Behavior and Options
 

skills/.system/skill-installer/scripts/list-skills.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-"""List curated skills from a GitHub repo path."""
+"""List skills from a GitHub repo path."""
 
 from __future__ import annotations
 
@@ -47,28 +47,32 @@ def _installed_skills() -> set[str]:
     return entries
 
 
-def _list_curated(repo: str, path: str, ref: str) -> list[str]:
+def _list_skills(repo: str, path: str, ref: str) -> list[str]:
     api_url = github_api_contents_url(repo, path, ref)
     try:
         payload = _request(api_url)
     except urllib.error.HTTPError as exc:
         if exc.code == 404:
             raise ListError(
-                "Curated skills path not found: "
+                "Skills path not found: "
                 f"https://github.com/{repo}/tree/{ref}/{path}"
             ) from exc
-        raise ListError(f"Failed to fetch curated skills: HTTP {exc.code}") from exc
+        raise ListError(f"Failed to fetch skills: HTTP {exc.code}") from exc
     data = json.loads(payload.decode("utf-8"))
     if not isinstance(data, list):
-        raise ListError("Unexpected curated listing response.")
+        raise ListError("Unexpected skills listing response.")
     skills = [item["name"] for item in data if item.get("type") == "dir"]
     return sorted(skills)
 
 
 def _parse_args(argv: list[str]) -> Args:
-    parser = argparse.ArgumentParser(description="List curated skills.")
+    parser = argparse.ArgumentParser(description="List skills.")
     parser.add_argument("--repo", default=DEFAULT_REPO)
-    parser.add_argument("--path", default=DEFAULT_PATH)
+    parser.add_argument(
+        "--path",
+        default=DEFAULT_PATH,
+        help="Repo path to list (default: skills/.curated)",
+    )
     parser.add_argument("--ref", default=DEFAULT_REF)
     parser.add_argument(
         "--format",
@@ -82,7 +86,7 @@ def _parse_args(argv: list[str]) -> Args:
 def main(argv: list[str]) -> int:
     args = _parse_args(argv)
     try:
-        skills = _list_curated(args.repo, args.path, args.ref)
+        skills = _list_skills(args.repo, args.path, args.ref)
         installed = _installed_skills()
         if args.format == "json":
             payload = [