LAUNCH·INDEX

Capo-S3

a typed, async-first S3 client for Python

INFRData & Infrastructure·HNShow HN
Visit product ↗

Breakout launch

Beat 96% of Show HN launches that day

#7 of 175 on Oct 29

Share on X

Launched something? See how it compares every week

The weekly Launch Index: the launches that broke through, and the categories heating up. Free, every Tuesday.

Free, every Tuesday. Unsubscribe anytime.

17+1 (+6.3%)

points · traction gained Oct 30, 16:20 UTC → Oct 31, 15:35 UTC

Still tracked: re-read by each daily run while under ~168h old (window closes ~Nov 5, 18:02 UTC).

3

comments · buzz 0 in latest interval

4d

listed Oct 29, 18:02 UTC

Traction (points) over time

01020Oct 30Oct 31ListedOct 30, 16:20 UTC · 16 points · 3 comments · 22h after listingOct 31, 15:35 UTC · 17 points · 3 comments · 46h after listing
2 readings (one per daily ingest run). Dots are recorded values; lines just connect them — nothing in between is measured.

Key statistics

Traction
17points
Comments
3
Rank in INFR this week
#3of 58 HN
Rank overall this week
#36of 998 HN
Sector hit rate
6.0%3/50 · 7D
Traction line
Hit10+ points
First reading
16Oct 30, 16:20 UTC
Last reading
17Oct 31, 15:35 UTC
Readings
2over 46h

Grades · each graded against other Data & Infrastructure launches from the same source

Momentum

A

+1 points

Traction gained in the latest daily interval

Better than 97% · vs 49 still-tracked Data & Infrastructure · Show HN launches

Velocity

A

0.38 points/h

Votes per hour since listing (age capped at 48h)

Better than 95% · vs 174 Data & Infrastructure · Show HN launches, last 30 days

Engagement

—

1.8 per 10 points

Comments per 10 points

Too few peers to grade (17; need 20)

Staying Power

—

—

Votes at last reading ÷ votes at first reading

Still being tracked; graded once settled (48h)

Launch-day race · #7 of 175 Show HN launches on 2026-10-29

  1. #5Overtone44 points
  2. #6UK Farming Simulator42 points
  3. #7Capo-S317 points
  4. #8GenesisDB13 points
  5. #9phpClaw13 points
All launches on 2026-10-29 →

Is this your launch? Show your rank

Add this badge to your site or README. It updates every day with your current rank.

Capo-S3 on Launch Index
<a href="https://launchindex.ai/product/68664" target="_blank"><img src="https://launchindex.ai/badge/68664" alt="Capo-S3 on Launch Index" height="54" /></a>

Discussion

Read the 3 comments on Hacker News →

Others in this sector · top Show HN launches in Data & Infrastructure by traction, last 7 days

All Data & Infrastructure stocks →

Data as of Oct 31, 2026, 3:03 PM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works