Source: https://seerepo.com/r/reacherhq/check-if-email-exists/ai
Markdown source: https://seerepo.com/r/reacherhq/check-if-email-exists/ai.md
Description: AI signed 1.1% of the 1,423 commits of check-if-email-exists. Each AI tool with its commits, and the last ones it signed.

# How much of check-if-email-exists did AI write?

AI signed 1.1% of the 1,423 commits of check-if-email-exists. Signed by Claude (12) and GitHub Copilot (3).

Since its first commit, on April 25, 2017.

## Who signed the commits

- Claude: 12 commits (0.8%)
- GitHub Copilot: 3 commits (0.2%)
- People: 98.9%

## Commits per month

Each month's commits up to its last one, with those an AI signed. Merges don't count.

- 2024-12: 16 commits, 0 signed by AI (0%)
- 2025-01: 4 commits, 0 signed by AI (0%)
- 2025-02: 8 commits, 0 signed by AI (0%)
- 2025-03: 14 commits, 0 signed by AI (0%)
- 2025-04: 9 commits, 0 signed by AI (0%)
- 2025-05: 0 commits, 0 signed by AI
- 2025-06: 1 commits, 0 signed by AI (0%)
- 2025-07: 3 commits, 0 signed by AI (0%)
- 2025-08: 0 commits, 0 signed by AI
- 2025-09: 0 commits, 0 signed by AI
- 2025-10: 0 commits, 0 signed by AI
- 2025-11: 0 commits, 0 signed by AI
- 2025-12: 0 commits, 0 signed by AI
- 2026-01: 5 commits, 0 signed by AI (0%)
- 2026-02: 1 commits, 0 signed by AI (0%)
- 2026-03: 2 commits, 0 signed by AI (0%)
- 2026-04: 0 commits, 0 signed by AI
- 2026-05: 0 commits, 0 signed by AI
- 2026-06: 0 commits, 0 signed by AI
- 2026-07: 0 commits, 0 signed by AI
- 2026-08: 0 commits, 0 signed by AI
- 2026-09: 0 commits, 0 signed by AI
- 2026-10: 21 commits, 15 signed by AI (71.4%)
- 2026-11: 1 commits, 0 signed by AI (0%)

## The last commits an AI signed

- 2026-10-30 · Claude · [2da147a](https://github.com/reacherhq/check-if-email-exists/commit/2da147a38a11bda1f2e032615ef21c0ed55e9bd1): chore: Bump crates to v0.11.11 (#1681)
- 2026-10-30 · Claude · [eb0226f](https://github.com/reacherhq/check-if-email-exists/commit/eb0226f41e932c229c9ac4f56e4be57ef20bd3bb): fix(mx): Mark null MX and unresolvable MX hosts as invalid (#1680)
- 2026-10-29 · Claude · [7acba98](https://github.com/reacherhq/check-if-email-exists/commit/7acba98af4f13f1453d1b4057d0fe1268a1ca5a1): fix(smtp): Spread SOCKS5 connections across all resolved proxy addresses (#1678)
- 2026-10-14 · Claude · [c815002](https://github.com/reacherhq/check-if-email-exists/commit/c815002d7438f98ec59dc5338981c0a4a0de916b): fix(core): Detect full inbox on gmx "exceeded storage allocation" (#1671)
- 2026-10-13 · Claude · [14e48ba](https://github.com/reacherhq/check-if-email-exists/commit/14e48ba733473869f5c2234698c7c3b775e975b8): ci: Cache Rust builds and merge pr.yml jobs (#1670)
- 2026-10-13 · Claude · [f5282bc](https://github.com/reacherhq/check-if-email-exists/commit/f5282bcc9a628bbe7d7c95027fd9e200d37b36ab): fix(mx): Detect Microsoft consumer domains on mx.microsoft hosts as Hotmail B2C (#1669)
- 2026-10-13 · Claude · [8025ae9](https://github.com/reacherhq/check-if-email-exists/commit/8025ae94fe63f7de819411d5024c1d4c32e6bffb): fix(smtp): Treat Microsoft tenants without mail-enabled subscriptions as invalid (#1668)
- 2026-10-13 · Claude · [0b11b6f](https://github.com/reacherhq/check-if-email-exists/commit/0b11b6f39271c2e4afa8f216be7f359485c297f3): feat: Add reacher_version to JSON output, bump to v0.11.10 (#1667)
- 2026-10-13 · Claude · [c02d1c0](https://github.com/reacherhq/check-if-email-exists/commit/c02d1c0eb3b558e470037f1b965936a6d835dea8): fix(deps): Upgrade dependencies with HIGH security advisories (#1665)
- 2026-10-12 · Claude · [e4e4119](https://github.com/reacherhq/check-if-email-exists/commit/e4e411993d199c02064a1f0776c94d69fbfa3fcc): chore: Bump crates to v0.11.9 (#1664)

## How we know

Every AI coding tool leaves its signature in the commits it makes: a Co-Authored-By line, its own author name, or the merge of its branch. SeeRepo reads those signatures in the repo's history; a commit without one counts as made by people, and merges don't count.

Every AI tool SeeRepo recognizes: https://seerepo.com/agents

## Frequently asked questions

### Which AI tool signed the most commits in check-if-email-exists?

Claude, with 12 of the 1,423 commits of check-if-email-exists.

The proof: [its last signed commit, 2da147a](https://github.com/reacherhq/check-if-email-exists/commit/2da147a38a11bda1f2e032615ef21c0ed55e9bd1)

### Since when does AI sign commits in check-if-email-exists?

Since October 2026: the first month an AI tool signed a commit of check-if-email-exists.

### How many commits does check-if-email-exists have?

check-if-email-exists has 1,423 commits since April 25, 2017. Merges don’t count.

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.