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google/error-prone

Star momentum, maintenance concentration, contributor health, and codebase change — one report built from public repository data.

Open on GitHub
Current stars
7,236
Activity since
2014
Latest activity
Sep 2026

Public star activity

Last 30 days
+8
Last 90 days
+8
Actions / day
1.8
Public star actions
stars from August 27, 2014 to September 5, 2026, peaking at 7,742.7.7k STARS12 YR7.7kSEP 2026AUG 2014

7,742 stars on September 5, 2026.

stars by date
Datestars
August 27, 20141
October 22, 201418
October 31, 201436
December 5, 201459
January 24, 201581
February 1, 2015288
February 17, 2015349
March 6, 2015379
March 15, 2015395
April 2, 2015510
April 22, 2015534
May 5, 2015547
May 27, 2015568
June 13, 2015592
June 24, 2015602
July 12, 2015633
August 7, 2015657
August 15, 2015669
September 10, 2015688
September 28, 2015711
October 7, 2015719
October 29, 2015746
November 18, 2015775
December 2, 2015784
December 18, 2015807
January 10, 2016833
January 22, 2016842
February 15, 2016869
March 9, 2016895
March 19, 2016905
April 9, 2016925
May 4, 20161,005
May 11, 20161,210
May 26, 20161,263
June 13, 20161,287
June 23, 20161,303
July 11, 20161,347
July 29, 20161,401
August 6, 20161,423
August 28, 20161,468
September 25, 20161,496
October 3, 20161,508
October 21, 20161,541
November 8, 20161,689
November 17, 20161,721
December 1, 20161,755
December 19, 20161,793
January 4, 20171,807
January 20, 20171,843
February 5, 20171,942
February 13, 20171,972
February 28, 20172,230
March 14, 20172,276
March 22, 20172,370
April 5, 20172,448
April 21, 20172,661
April 28, 20172,704
May 14, 20172,750
May 28, 20172,791
June 4, 20172,814
June 22, 20172,854
July 9, 20172,888
July 25, 20172,994
August 2, 20173,015
August 21, 20173,047
September 9, 20173,080
September 16, 20173,103
October 2, 20173,136
October 17, 20173,207
October 24, 20173,257
November 8, 20173,319
November 22, 20173,383
November 29, 20173,405
December 14, 20173,488
December 29, 20173,524
January 6, 20183,537
January 21, 20183,595
February 5, 20183,642
February 13, 20183,670
March 1, 20183,708
March 18, 20183,749
March 25, 20183,767
April 12, 20183,823
April 26, 20183,863
May 4, 20183,898
May 22, 20183,928
June 7, 20183,962
June 19, 20183,972
July 6, 20184,006
July 25, 20184,044
August 5, 20184,065
August 23, 20184,097
September 7, 20184,204
September 14, 20184,262
October 3, 20184,295
October 21, 20184,320
October 31, 20184,382
November 15, 20184,440
December 1, 20184,468
December 8, 20184,486
December 26, 20184,515
January 12, 20194,550
January 21, 20194,568
February 6, 20194,601
February 22, 20194,628
March 2, 20194,639
March 21, 20194,678
April 5, 20194,860
April 12, 20194,877
April 28, 20194,926
May 13, 20194,962
May 20, 20194,986
June 8, 20195,017
June 25, 20195,057
July 3, 20195,067
July 24, 20195,097
August 11, 20195,132
August 23, 20195,144
September 20, 20195,170
October 11, 20195,194
October 23, 20195,213
November 7, 20195,242
November 26, 20195,265
December 3, 20195,275
December 18, 20195,316
January 2, 20205,337
January 11, 20205,346
January 27, 20205,370
February 15, 20205,404
February 25, 20205,421
March 12, 20205,453
April 5, 20205,491
April 15, 20205,507
May 7, 20205,535
May 21, 20205,567
May 30, 20205,581
June 21, 20205,617
July 12, 20205,649
July 20, 20205,660
August 10, 20205,685
September 2, 20205,715
September 14, 20205,729
October 2, 20205,756
October 25, 20205,791
November 5, 20205,808
November 30, 20205,837
December 22, 20205,860
December 31, 20205,870
January 26, 20215,897
February 17, 20215,915
March 1, 20215,929
March 27, 20215,961
April 15, 20215,989
April 22, 20216,003
May 17, 20216,026
June 9, 20216,054
June 20, 20216,070
July 14, 20216,098
August 8, 20216,119
August 19, 20216,132
September 22, 20216,162
October 20, 20216,189
November 7, 20216,206
November 28, 20216,235
December 17, 20216,268
December 25, 20216,277
January 16, 20226,303
February 2, 20226,339
February 9, 20226,349
March 9, 20226,373
April 6, 20226,395
April 20, 20226,412
May 15, 20226,434
June 3, 20226,457
June 17, 20226,475
July 14, 20226,496
August 1, 20226,522
August 11, 20226,533
August 31, 20226,559
September 17, 20226,594
October 6, 20226,616
October 15, 20226,648
October 30, 20226,694
November 14, 20226,719
November 21, 20226,733
December 12, 20226,763
January 2, 20236,789
January 9, 20236,801
January 29, 20236,841
February 14, 20236,861
February 26, 20236,876
March 18, 20236,900
April 2, 20236,932
April 10, 20236,944
May 4, 20236,966
May 25, 20236,992
June 1, 20237,008
June 19, 20237,032
July 15, 20237,056
July 27, 20237,065
August 22, 20237,091
September 15, 20237,112
September 24, 20237,125
October 20, 20237,145
November 9, 20237,165
November 25, 20237,179
December 19, 20237,209
January 16, 20247,228
January 31, 20247,239
February 17, 20247,256
March 10, 20247,273
March 21, 20247,282
April 16, 20247,303
May 9, 20247,322
May 22, 20247,333
June 17, 20247,352
July 3, 20247,371
July 15, 20247,379
August 9, 20247,397
August 31, 20247,423
September 15, 20247,433
October 9, 20247,450
November 8, 20247,473
November 22, 20247,485
December 14, 20247,506
January 13, 20257,527
January 27, 20257,538
February 17, 20257,555
March 11, 20257,575
March 25, 20257,588
May 7, 20257,606
May 26, 20257,627
June 10, 20257,637
August 4, 20257,655
September 17, 20257,675
September 28, 20257,683
November 17, 20257,700
December 25, 20257,719
January 19, 20267,727
September 5, 20267,742

The last 90 days run behind its lifetime average, which is ordinary for a mature project.

Observed activity milestones: 100 around Feb 20151k around May 2016

The commit history reads google/error-prone a second time

methodology

Fix-labelled changes, file change frequency, ownership concentration and maintenance cadence, each computed from this repository's analyzed commit window. None of them is derived from stars, which is why they are allowed to disagree with the curve above.

Fix-labelled changes
Fix-labelled changes for google/error-prone
File change frequency
File change frequency for google/error-prone
Bus factor
Bus factor for google/error-prone
Maintenance pulse
Maintenance pulse for google/error-prone
Contributors
Contributors for google/error-prone
Language activity
Language activity for google/error-prone
Commit activity
Commit activity for google/error-prone
Recent TODO/FIXME movement
Recent TODO/FIXME movement for google/error-prone

Attention is not adoption.

Stars against usage

No published package was detected for this repository, so there is nothing to lay over star growth.

Earned badges

badge studio

Maintenance, ownership and star-momentum signals, computed from the same commit and star history and embeddable as static images.

Reading badge evidence for google/error-prone.

Notes on google/error-prone

How many stars does google/error-prone have?
GitHub currently reports 7,236 stars for google/error-prone. The chart itself is rebuilt from historical star data, which records star actions and not unstars, so it reads as an attention signal rather than a net star count.
What does recent star activity look like for error-prone?
gitdebt observed about 8 public star actions for google/error-prone over the latest 90 days of archive coverage (about 8 in the latest 30). This is an approximate attention signal, not a net-star count, because unstars are not present. That's below its lifetime average activity pace, which is common for mature projects.
Is error-prone still active?
Public archive data shows about 8 star actions for google/error-prone in the latest 30 days of coverage. For repository activity, use the commit heatmap, commit trend, and contributor charts on this page.
When was error-prone created?
google/error-prone was created on August 21, 2014. The first public star activity observed for google/error-prone is from Aug 2014.

Read error-prone against a neighbour

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Put this drawing in your README

markdown for agents

The block below publishes the chart with its source and coverage date stated beside it — the same three facts the title block above shows, as text a reader can check. The prompt underneath hands a coding agent the badges and repo-health charts as well.

README.md · google/error-prone star history
<a href="https://gitdebt.com/google/error-prone?ref=readme">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="https://api.gitdebt.com/api/repos/google/error-prone/chart.svg?theme=dark" />
    <img alt="google/error-prone star history" src="https://api.gitdebt.com/api/repos/google/error-prone/chart.svg?theme=light" />
  </picture>
</a>

<sub>Star history source: Historical star data · Covers through September 5, 2026 · Still updating — <a href="https://gitdebt.com/google/error-prone?ref=readme">gitdebt</a></sub>

Light and dark variants, alt text, and one provenance line. Provenance is text in your README, never baked into the image URL, so the chart stays cacheable.

Paste it into Claude Code, Cursor, Codex, or any coding agent with your checkout open. It carries the measured numbers, the exact snippets, and the rules — including replacing an existing star-history widget in place rather than stacking a second chart under it.