using-gh-cli

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Guides usage of the GitHub CLI (gh) for interacting with GitHub repositories, PRs, issues, and API. Use when working with GitHub resources instead of WebFetch or curl.

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Using the GitHub CLI (
gh
)

When to Use

  • Browsing or reading code from a GitHub repository — clone it and use Read/Glob/Grep
  • Viewing or creating pull requests, issues, releases, or gists
  • Fetching repo metadata or any GitHub API data
  • Interacting with GitHub Actions (runs, workflows)
  • Any task involving GitHub that you might otherwise use
    curl
    ,
    wget
    , or
    WebFetch
    for

When NOT to Use

  • Non-GitHub URLs (use
    WebFetch
    or
    curl
    for those)
  • Public web content that happens to be hosted on GitHub Pages (
    *.github.io
    ) — those are regular websites
  • Local git operations (
    git commit
    ,
    git push
    ) — use
    git
    directly

Key Principle

Always use
gh
instead of
curl
,
wget
, or
WebFetch
for GitHub URLs.
The
gh
CLI uses the user's authenticated token automatically, so it:
  • Works with private repositories
  • Avoids GitHub API rate limits (unauthenticated: 60 req/hr; authenticated: 5,000 req/hr)
  • Handles pagination correctly
  • Provides structured output and filtering

Browsing Repository Code

To read or browse files from a GitHub repo, clone it locally and use normal file tools (Read, Glob, Grep). This is much faster and more natural than fetching files one-by-one via the API.
bash
# Clone to a session-scoped temp directory (cleaned up automatically on session end)
clonedir="$TMPDIR/gh-clones-${CLAUDE_SESSION_ID}"
mkdir -p "$clonedir"
gh repo clone owner/repo "$clonedir/repo" -- --depth 1
After cloning, use the Explore agent (via the Task tool with
subagent_type=Explore
) to investigate the cloned repo. The Explore agent can use Read, Glob, and Grep across the clone efficiently — much better than calling them one at a time:
Task(subagent_type="Explore", prompt="In $clonedir/repo/, find how authentication is implemented")
For targeted lookups on a clone you already understand, use Read/Glob/Grep directly.
  • gh repo clone
    uses the user's authenticated token — works with private repos
  • --depth 1
    keeps the clone fast (only latest commit)
  • No cleanup needed — a SessionEnd hook removes the clone directory automatically
  • Use
    gh api
    only when you need a quick single-file lookup without cloning

Quick Start

bash
# View a repo
gh repo view owner/repo

# List and view PRs
gh pr list --repo owner/repo
gh pr view 123 --repo owner/repo

# List and view issues
gh issue list --repo owner/repo
gh issue view 456 --repo owner/repo

# Call any REST API endpoint
gh api repos/owner/repo/contents/README.md

# Call with pagination and jq filtering
gh api repos/owner/repo/pulls --paginate --jq '.[].title'

Common Patterns

Instead ofUse
WebFetch
on
github.com/owner/repo
gh repo view owner/repo
WebFetch
on a blob/tree URL
Clone with
gh repo clone
and use Read/Glob/Grep
WebFetch
on
raw.githubusercontent.com/...
Clone with
gh repo clone
and use Read
WebFetch
on
api.github.com/...
gh api <endpoint>
curl https://api.github.com/...
gh api <endpoint>
curl
with
-H "Authorization: token ..."
gh api <endpoint>
(auth is automatic)
wget
to download a release asset
gh release download --repo owner/repo

References

  • Pull Requests — list, view, create, merge, review PRs
  • Issues — list, view, create, close, comment on issues
  • Repos and Files — view repos, browse files, clone
  • API — raw REST/GraphQL access, pagination, jq filtering
  • Releases — list, create, download releases
  • Actions — view runs, trigger workflows, check logs