- Dataset
- 2026-09-18-v3.0
- Ruleset
- b2e8889c66f7
- Scanned
- 2026-09-16
- Window
- February–September 15, 2026
01Result
JetBrains/kotlin ↗JetBrains/kotlin AI coding statistics: 4.7%
Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.
02Drivers
What shapes this result
Mode, timing, and detected signatures show whether the result reflects broad adoption or one concentrated workflow.
Assisted or autonomous
Assisted — a developer’s identity authored the commit and the agent added itself as co-author. Autonomous — a bot identity authored the commit without a human identity attached. Across the whole index, 96% of agent commits are assisted.
Agent share by month
| Month | Agent share | Considered commits |
|---|---|---|
| 2026-02 | 1.1% | 970 |
| 2026-03 | 5.9% | 1307 |
| 2026-04 | 5.5% | 1311 |
| 2026-05 | 3.8% | 973 |
| 2026-06 | 5.1% | 1459 |
| 2026-07 | 2.4% | 1748 |
| 2026-08 | 7.1% | 1308 |
| 2026-09 | 7.3% | 752 |
Peak month: 7.3%. Bars are scaled to that peak, not to 100%.
Which agents
| Agent | Vendor | Commits | Share |
|---|---|---|---|
| Claude Code | Anthropic | 461 | 4.7% |
03Evidence
Inspect the matches
Public commit samples let you inspect the signatures behind the aggregate result.
Matched commit samples
a4c364efon GitHub[LL] Don't resolve the designation path for a checker contextClaude Code7ddcdb1bon GitHub[FIR] Don't traverse into an unresolved container in the CFA componentClaude Code19f15debon GitHub[FIR] Don't analyze a member graph its container graph coversClaude Code
04Method
What entered the denominator
The result begins with commit history, removes merges and routine automation, and reports literal agent signatures as a lower bound.
Exclusion ledger
| Commits in window | 9,838 |
| Merge commits removed | −0 |
| CI / dependency bots removed | −10 |
| Considered | 9,828 |
Bots are excluded from the denominator entirely. Agent attribution requires a literal supported signature; no code-style inference is used.
05Provenance
Pinned to a source state
This observation names the repository state, release, and detector that produced it. Use these identifiers when reproducing or citing the result.
- Dataset release
- 2026-09-18-v3.0
- Scan date
- 2026-09-16
- Ruleset
- sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae
- Canonical repository
- JetBrains/kotlin
- Default branch
- master
- Resolved HEAD
- bf085aedbde77529ebfd6e5a92e4fbce2a0471a8 ↗
- Resolved
- 2026-09-16
- Measurement window
- February–September 15, 2026
06Peer context
Position among comparable repositories
The cohort uses the same release and measurement window, then narrows to the repository’s ecosystem and removes low-activity observations.
Midrank percentile; equal shares split the tied positions.
- Repository
- 4.7%
- Cohort median
- 0.9%
- Share rank
- 12 / 67
Percentile = (repositories below + half of 2 tied repositories) ÷ 67.
Continue exploring
Related coding-agent evidence
Run the same detector locally.
Deterministic signature matching; no code-style inference. Squash merges can remove trailers, so this result remains a measured floor.
npx qmmit-cli JetBrains/kotlin