rajbos · user
collected 2026-09-10T10:49:08.631Z
📅 2024-06-24 → 2026-09-09

DevEx Metrics

Focus repositories

AI Engineering Fluency

1 repo
baseline: all repositories, all time
Metric Baselineall 144 repos AI Engineering Fluencycurrent period Difference
Median cycle timePR created → merged
Cycle time p75the slow quarter of PRs
Cycle time p90the worst tenth
Median PR sizelines added + deleted
Merged PRsin the selected period
AI-authored PRsshare of human + AI PRs

144
Repositories
45
Issues Opened
39 closed
338
Merged PRs
287 opened
88
Committers
65 reviewers (90 d)
39.6%
AI PRs
1431 AI-authored · 0 reviewed
148
Agent Tasks (30d)
9 completed · 7 PRs
3.2hr
Median Cycle Time
PR created → merged
46
Median PR Size
16% over 400 lines
6min
Wait for Review
n=138 reviewed PRs
10.8%
PRs Abandoned
204 open · median age 26.5days
0.0
Credits / Agent PR
0.0 credits · 7 PRs

Where the time goes

Every leg of a merged pull request's life after it was opened. Medians, not means — one pull request left open over a holiday would move a mean and tell you nothing.

Leg p50 p75 p90 n
Waiting for a first reviewopened → first review
Waiting for approvalfirst review → first approval
Waiting for a mergefirst approval → merged

AI vs human pull requests

The same measurements, split by who authored the pull request. Bot authors that are not AI tools (Dependabot and friends) are excluded from both columns.

Metric AI-authored Human-authored Difference
Merged PRsin the selected period
Median cycle timeopened → merged
Cycle time p75the slow quarter
Median PR sizelines added + deleted
Large PRsshare over 400 lines
Wait for first reviewopened → first review
Review roundsmedian changes-requested reviews
Revertedshare later reverted by another PR

Issues

Pull Requests

Top Repositories

PR Trends (per week)

Issue Trends (per week)

PR Size Trends (lines/week)

PR Cycle Time (weekly median, hours)

Actor Breakdown (PRs merged per week)

AI Adoption

AI Author Breakdown

Issue → PR Lead Time

Wait for First Review (weekly median, hours)

Review Load Concentration

Reviews per reviewer. A Gini near 0 means the load is shared; near 1 means one person carries it.

Copilot-authored PRs merged per week

Agent Tasks by Repository (30 d)

Repositories

ⓘ The merged PR count reflects the selected period. Expand a row for all-time details.

Repository Issues Merged PRs Open PRs Contributors Dependents Last Updated Lines +/- Agent Tasks
0 / 030002026-05-23+0-0
0 / 124470502026-09-03+190526-191398
2 / 386000802026-09-03+1780-1451
1 / 142700502026-09-08+48367-3585
1 / 0161102024-06-24+4-0
1 / 320002021-04-09+0-0
2 / 320002021-04-29+0-0
10 / 1026413102026-08-04+2447-1127
4 / 83974402026-07-24+9929-2277
0 / 002002025-11-16+0-0
4 / 13525002024-09-07+0-0
4 / 101519002025-08-13+0-0
0 / 000002024-04-27+0-0
0 / 001002026-01-26+0-0
0 / 010002022-09-09+0-0
9 / 14726202026-09-10+2077-199
2 / 182301502026-09-01+39958-12648174
0 / 000002023-07-24+0-0
0 / 000002021-01-27+0-0
0 / 000002021-09-12+0-0
0 / 000002023-07-30+0-0
18 / 278165251502026-09-08+578239-462330107
0 / 000102026-09-03+0-0
0 / 000002025-12-08+0-0
0 / 000002018-11-08+0-0
0 / 011102026-08-25+10-10
0 / 000002023-02-05+0-0
0 / 000002024-04-16+0-0
0 / 000002023-02-05+0-0
0 / 000002024-09-22+0-0
0 / 000002022-03-31+0-0
0 / 000002025-01-05+0-0
0 / 000002023-03-21+0-0
6 / 010102026-07-30+116-0
0 / 000002025-11-23+0-0
0 / 000002026-02-04+0-0
0 / 0173402026-09-08+1007-6001
2 / 000002023-02-15+0-0
6 / 22916102026-09-01+9-4
0 / 0412102026-09-01+531-506
0 / 000002021-10-25+0-0
0 / 000002025-05-08+0-0
0 / 000002023-03-27+0-0
2 / 000002022-03-07+0-0
0 / 010102026-08-25+1-1
0 / 000002023-01-16+0-0
0 / 000002023-10-16+0-0
2 / 3110002022-05-24+0-0
2 / 000002022-06-08+0-0
0 / 000002021-10-12+0-0
0 / 000002021-06-09+0-0
0 / 172102026-08-25+1-1
0 / 010102026-08-25+2-2
0 / 000002019-10-26+0-0
0 / 0959102026-09-01+3-3
0 / 000002023-04-09+0-0
0 / 010102026-08-25+1-1
2 / 002002024-11-08+0-0
2 / 0274302026-09-01+6513-177
0 / 000002023-02-05+0-0
0 / 002002023-01-17+0-0
5 / 1817211402026-09-08+28960-180542
0 / 000002023-05-13+0-0
0 / 000002021-09-12+0-0
19 / 8160102026-08-25+1-1
0 / 72867702026-09-01+12295-4985
0 / 000002021-09-12+0-0
0 / 000002023-06-07+0-0
0 / 000002026-04-01+0-0
0 / 0172302026-09-05+1575-3881
0 / 192613302026-09-10+5766-86012
52 / 85651202026-09-01+400-141
0 / 000002022-11-28+0-0
0 / 000002025-05-13+0-0
0 / 000002024-10-13+0-0
0 / 000002023-06-08+0-0
1 / 45254202026-09-10+1352-50
0 / 000002023-07-20+0-0
0 / 000002021-11-29+0-0
0 / 000502026-09-05+0-01
0 / 000002022-06-17+0-0
0 / 000002023-10-07+0-0
0 / 000002023-04-08+0-0
0 / 000002019-01-27+0-0
0 / 010002022-09-06+0-0
0 / 000002022-03-25+0-0
2 / 230002024-12-01+0-0
0 / 000002023-06-29+0-0
1 / 821774702026-09-09+85636-1816418
2 / 000002023-02-15+0-0
0 / 000002021-03-15+0-0
0 / 000002025-01-05+0-0
0 / 050202025-12-20+153-24
0 / 001002026-04-20+0-0
0 / 0167202026-09-09+8756-358
0 / 000002025-03-27+0-0
0 / 000002024-04-26+0-0
0 / 000002022-10-25+0-0
0 / 010002026-04-11+21-48
0 / 010002023-04-21+0-0
0 / 000002021-07-27+0-0
0 / 074202026-09-04+419-70
0 / 000002022-02-07+0-0
0 / 06711102026-08-26+1-1
0 / 012002022-11-30+0-0
0 / 041102025-12-21+880-34
0 / 000002022-02-18+0-0
0 / 291152502026-09-08+21745-7847
0 / 2713202026-08-26+4429-14232
0 / 000002023-07-08+0-0
0 / 000002024-09-27+0-0
0 / 000002023-11-17+0-0
0 / 039102026-09-02+863-348
0 / 000002023-07-11+0-0
0 / 000002023-07-17+0-0
0 / 000002022-03-05+0-0
0 / 000002024-10-14+0-0
0 / 421002023-12-20+0-0
0 / 000002025-12-08+0-0
0 / 000002021-05-20+0-0
0 / 011002025-09-06+522-44
1 / 021002023-01-05+0-0
0 / 000002023-07-17+0-0
0 / 000002024-02-05+0-0
0 / 000302026-09-04+0-0
0 / 0710102026-09-04+299-164
0 / 000302026-08-28+0-0
0 / 010002026-01-03+2635-18
0 / 000002024-02-05+0-0
0 / 000002023-10-07+0-0
0 / 010002024-10-09+0-0
0 / 001002023-09-13+0-0
0 / 000002022-10-28+0-0
6 / 500002023-07-07+0-0
3 / 17361202026-07-22+18732-9143
14 / 1552821802026-09-10+734168-1066463
0 / 011002024-04-05+0-0
1 / 050102024-10-30+58-3
0 / 0114102026-06-22+7-7
1 / 281406202026-09-07+892-876
0 / 010002026-04-10+829-0
0 / 000002025-07-18+0-0
0 / 083002022-12-08+0-0
0 / 000002023-05-04+0-0

144 of 144 repositories