Agent Skills for 37signals products

Agent skills for Basecamp, HEY, and Fizzy. Each skill teaches a coding agent to work in one product through that product's CLI.

npx skills add basecamp/skills

That installs every skill in skills/. See install.md for the full setup, including installing and authenticating each CLI.

Skills

Skill	Product	Published from	Description
basecamp	Basecamp	basecamp-cli	Interact with Basecamp via the Basecamp CLI. Full API coverage: projects, todos, cards, messages, files, schedule, check-ins, timeline, recordings, templates, webhooks, subscriptions, lineup, chat, pings, gauges, assignments, notifications, bookmarks, bubble-up, drafts, notes, calendars, and accounts.
basecamp-doctor	Basecamp	basecamp-cli	Diagnose Basecamp CLI, authentication, and agent-plugin health.
hey	HEY	hey-cli	Interact with HEY via the HEY CLI. Read and send email; manage contacts, boxes, labels, collections, calendars, todos, habits, time tracking, and journal entries. Missing from skills/ right now (see below).
fizzy	Fizzy	fizzy-cli	Interact with Fizzy via the Fizzy CLI. Manage boards, cards, columns, comments, steps, reactions, tags, users, notifications, pins, webhooks, and account settings. Not published here yet (see below).

hey is absent because of a sync bug (#5): the basecamp-cli and hey-cli release syncs shared one .managed-skills manifest, so each product's release deleted the other product's skills. Fixes are in flight in both CLIs. The skill returns automatically on the first hey-cli release after that fix ships. Until then, get it from hey-cli/skills/hey, or run hey skill install, which installs it from the CLI itself.

fizzy is not published here yet: fizzy-cli's release has no skills sync. One is proposed in fizzy-cli#214; once it ships, the skill arrives with the next fizzy-cli release. Get it from fizzy-cli/skills/fizzy, or run fizzy skill install.

Requirements

Each skill drives its product's CLI, so install and authenticate the CLI for the products you use. One is enough; the skills for the others sit idle.

Basecamp — basecamp-cli (install guide)

curl -fsSL https://basecamp.com/install-cli | bash   # or: brew install --cask basecamp/tap/basecamp-cli
basecamp auth login

HEY — hey-cli (install guide)

curl -fsSL https://hey.com/install-cli | bash   # or: brew install --cask basecamp/tap/hey
hey auth login

Fizzy — fizzy-cli (install guide)

curl -fsSL https://raw.githubusercontent.com/basecamp/fizzy-cli/master/scripts/install.sh | bash   # or: brew install --cask basecamp/tap/fizzy
fizzy setup   # personal access token, account, default board

Contributing

Skills are never edited in this repo; a change made here is overwritten by the next release of the CLI that owns it. Open issues and pull requests against the skill's source instead:

• Basecamp: basecamp-cli/skills
• HEY: hey-cli/skills
• Fizzy: fizzy-cli/skills

Issues about this repo itself (the README, install.md, the plugin manifest, or the publishing) belong here.

About

This repo is a publish target. On each release, a CLI's scripts/sync-skills.sh copies its skills/ tree into skills/ here, records the directories it owns in a manifest, and commits straight to main. Only the README, install.md, AGENTS.md, and .claude-plugin/ are written by hand.