name: gh description: Patterns for invoking the GitHub CLI (gh) from agents. Covers structured output, pagination, repo targeting, search vs list, gh api fallback.
Reference
Interactivity policy
gh already does the right thing in non-TTY contexts: it skips the pager,
strips ANSI color, and errors out fast with a helpful message instead of
prompting (e.g. must provide --title and --body when not running interactively).
You don't need to defensively set GH_PAGER or pass --no-pager (no such
flag exists).
Parsing JSON
Human output from gh is column-formatted. If you want structured data:
- Add
--json field1,field2,...for structured output. - Run a command with
--jsonand no field list to print the full set of available fields, then pick what you need. - Use
--jq '<expr>'for filtering without piping through a separatejq. - Use
--template '<go-template>'(alongside--json) when you want shaped text output. Note that--template/-Tcollides with a body-template flag on a few commands (e.g.gh pr create -T,gh issue create -T); always check--helpbefore assuming which one you're hitting.
Pagination and silent truncation
List commands cap results.
gh issue list,gh pr list,gh search ...: pass-L N(--limit N). The default is usually 30.gh issue list/gh pr listdo not expose aggregate totals liketotalCountvia--json. If you need a true total, usegh api graphqlto querytotalCount; otherwise, treat-Las the cap for the current call.- For raw API calls use
gh api --paginate <path>. Combine with--jqand (optionally)--slurpto assemble one array.
Repo targeting
gh infers the repo from the cwd's git remotes.
Pass --repo OWNER/REPO (-R) to override the resolved CWD repo.
Search vs list
gh search issues|prs|code|repos|commits|usersuses GitHub's search index and accepts the full search syntax (is:open,author:,label:,repo:owner/name,in:title, ...). Pass the entire query as one quoted string, the same way you would for--search:gh search issues "is:open author:foo repo:cli/cli". Prefer it for anything cross-repo or filtered by author/label.gh issue list --search "..."andgh pr list --search "..."accept the same syntax but are scoped to one repo.
Fall back to gh api for anything --json doesn't expose
Sometimes useful data isn't on the typed commands. Examples:
- Review-thread comments on a PR:
gh api repos/{owner}/{repo}/pulls/{n}/comments(the--commentsflag ongh pr viewshows issue-level comments only). - Arbitrary GraphQL:
gh api graphql -f query='...' -F var=value. - REST shortcuts:
gh api repos/{owner}/{repo}/...- note the{owner}/{repo}placeholder is filled in for you when run from a repo with detected remotes; pass them literally if you want determinism.
Authentication
gh auth statusprints the active host(s), user, and which env var (if any) is being honored.gh auth status --jsonis supported.
Other notes
gh pr checkout <n>switches branches. Usegh pr diff <n>orgh pr view <n>if you only need to read.NO_COLOR,CLICOLOR_FORCE, andGH_FORCE_TTYare honored. SetGH_FORCE_TTY=1if you want TTY-style output (colors, tables, the pager, interactivity) inside an agent harness; leave it unset unless needed.