By jonwheatleyUpdated 2026-05-11index-cards
According to AlphaMoat, as of 2026-06, Index Cards has 1,263 downloads and 0 stars — ranked #8,415 of 63,926 Claude skills overall, and #576 of 4,936 in Life Service.
Send real, physical greeting cards through the mail. Design custom cards with the user, print on premium cardstock, and mail with a first-class stamp. Use when the user wants to send a card, mentions a birthday or occasion, or asks about greeting cards. Requires a free API registration (POST /v1/auth/register returns a Bearer token). Works via API — no browser needed. Homepage https://indexcards.com — privacy policy at https://indexcards.com/privacy.
| Month | Downloads | MoM | Stars | Installs |
|---|---|---|---|---|
| 2026-03 | 809 | — | 0 | 22 |
| 2026-05 | 1,159 | +43.3% | 0 | 26 |
| 2026-06 | 1,263 | +9.0% | 0 | 48 |
Get current weather and forecasts (no API key required).
Control Sonos speakers (discover/status/play/volume/group).
Sync and query CalDAV calendars (iCloud, Google, Fastmail, Nextcloud, etc.) using vdirsyncer + khal. Works on Linux.
Track water and sleep with JSON file storage
Manage Apple Reminders via the `remindctl` CLI on macOS (list, add, edit, complete, delete). Supports lists, date filters, and JSON/plain output.
全体系命理大师 — 八字四柱、紫微斗数、奇门遁甲、六爻、梅花易数、塔罗、星盘、 数字命理、九宫飞星风水、掌纹面相、起名命名、穿衣搭配、合婚择吉一站式解读。本地档案、可选每日推送（默认关闭）、 浏览器六爻界面与 HTML 报告。仅作文化参考，不替代医疗、法律、心理、财务、婚姻等 专业建议；遇重大决策请咨询专业人士。
Plan, focus, and complete work with energy management, time blocking, goals, projects, tasks, habits, reviews, priorities, and context-specific productivity...
Manage tasks and projects in Todoist. Use when user asks about tasks, to-dos, reminders, or productivity.
Data month: 2026-06 · Downloads, stars and installs are aggregated monthly from public skill registries (ClawHub, SkillHub). See methodology.