b2e5709 · 1,466 commits · 453 files
Issued 2026-09-25
Reads strong: 3 of 5 rated dimensions are strong, 2 are adequate and none is significant.
92 checks ran across 6 assessable dimensions. Architecture & Codebase — including AI provenance and Product & Engineering Maturity are adequate. 2 findings, each with evidence. One dimension cannot be assessed without an acquirer.
- Words about people are today's: bands rather than exact shares, dates or day counts, and what the history measured rather than why.
- 1 finding from checks Borehole's calibration found wrong more often than right is no longer published.
- 1 finding about one contributor is withheld: this repository belongs to a person.
| Dimension | Rating | ||
|---|---|---|---|
| 01 | Architecture & Codebase — including AI provenance | adequate | |
| 02 | Engineering Process & SDLC Maturity | strong | |
| 03 | Organization & Key-Person Risk | not assessable | |
| 04 | Product & Engineering Maturity | adequate | |
| 05 | Security & Reliability Posture | strong | |
| 06 | Observability & Operations | strong | |
| 07 | Fit with the Acquirer | not assessable |
- 3% of non-merge commits carry any trailer at all
- low trailer coverage: the convention may not be in consistent use
- no widespread author/committer date divergence
- deep scan blamed 453 of 453 counted files
Architecture & Codebase — including AI provenance
01 · adequate · ratings ↑Rectangle/WindowManager+CooperativeCornerResize.swift is 1,546 lines, 31× this codebase's median file
adequateThe median source file here is 49 lines. 3 files exceed 1,000 lines, the largest being 1,546. Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.
| line-count | Rectangle/WindowManager+CooperativeCornerResize.swift:1 — 1,546 lines (31× median) |
| line-count | Rectangle/CooperativeCornerResize.swift:1 — 1,452 lines (29× median) |
| line-count | Rectangle/WindowAction.swift:1 — 1,174 lines (23× median) |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Engineering Process & SDLC Maturity
02 · strong · ratings ↑No finding. 15 checks ran and none fired; the rejection log below says why each did not.
Organization & Key-Person Risk
03 · not assessable · ratings ↑Not rated: this repository belongs to a person rather than an organisation, so a finding about one contributor would be about someone the address names; the public report does not carry those, and does not rate this dimension without them. What a person adds here.
Product & Engineering Maturity
04 · adequate · ratings ↑Effort is shifting from building to rewriting
adequateDeleted lines per line added rose from 0.34 to 0.80 between the first and second halves of this history. Rework is normal and often healthy, but a rising ratio means an increasing share of the team's time is spent replacing code that already exists rather than building what does not. Whether that is deliberate repayment or churn is a question for the team.
| deletions-per-insertion | first half 0.34, second half 0.80 (split 2023-02-07) |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Security & Reliability Posture
05 · strong · ratings ↑No finding. 28 checks ran and none fired; the rejection log below says why each did not.
Observability & Operations
06 · strong · ratings ↑No finding. 15 checks ran and none fired; the rejection log below says why each did not.
Fit with the Acquirer
07 · not assessable · ratings ↑Not rated: structurally not assessable from a repository. What a person adds here.
What a person adds
The survey reads what the repository can show. The code cannot settle these questions, and on them this report states nothing. Each says where its answer lives: your own engineer, the company, or an assessor you choose can settle it. Questions marked measured open with something this repository shows.
Architecture & Codebase — including AI provenance
01 · full coverage- measured No architecture or design document is in the tree, across 444 product files. Where does the design live, and who holds it?
- Is the architecture right for the next three years of the product?
- Were the home-grown components reasonable choices when they were made, and are they now?
Engineering Process & SDLC Maturity
02 · high coverage- Is review real or a rubber stamp? Comment depth and time to approve need the pull request history.
- Is delivery planned and measured, or heroic?
- How are incidents run, reviewed and learned from?
Organization & Key-Person Risk
03 · partial coverageNot rated: this repository belongs to a person rather than an organisation, so a finding about one contributor would be about someone the address names; the public report does not carry those, and does not rate this dimension without them.
- Which of the people who wrote this are part of the transaction, and for how long after it?
- Who mentors whom, and would that survive a departure?
- Can the team grow, and who stands behind the top three contributors?
- Is the seniority mix sound, and will pay survive your salary bands?
- Is the pace sustainable? Commit times cannot say: git keeps no reliable local time.
- Does the team want to stay after close?
- How are decisions made and disagreements resolved?
Product & Engineering Maturity
04 · minimal coverage- measured 148 commits landed in the last year, against 56 the year before (+164%). What drove it: new people, a deadline, or code produced faster than before?
- Can this team deliver the stated roadmap on the stated timeline?
- Does leadership know about the debt, and is time budgeted to repay it?
- Is the engineering shape consistent with the commercial story?
Security & Reliability Posture
05 · partial coverage- What has actually broken, how often, and how badly?
- What did external testing find, and was it fixed?
- What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence?
Observability & Operations
06 · partial coverage- Are the dashboards opened, the alerts acknowledged and the pages answered?
- Are the service-level objectives actually met?
- Who carries the pager, and how often does it go off?
- What does it cost to run, and how much headroom is there?
Fit with the Acquirer
07 · none coverageNot rated: structurally not assessable from a repository.
- This is primarily a Swift codebase. Does your engineering organisation already run Swift in production, or would this be the first?
- The bulk of this system sits in Rectangle/, RectangleTests/, Rectangle.xcodeproj/. Which of your existing systems would each of those have to absorb or replace?
- Nothing in the repository says how this is deployed. Is it shipped as a library, a binary or a service, and if it runs somewhere, who owns that environment?
- What is your tolerance for the findings above remaining unaddressed for the first two quarters after close, given everything else that will compete for this team's time?
- Which of these systems duplicate yours, and which get retired?
- What will integration cost, and in what order?
- Where does the team land in your organisation, and who reports to whom?
- Are there earn-outs, retention packages or contractor IP to assign?
- Do customer contracts limit hosting, regions or vendors?
A human assessment is Borehole's own paid service, €12,000+ (total price is determined per engagement; travel billed at cost). It is not independent of this report: the same business produced both. It is a separate contract, with its own scope, terms and reliance.
A paid survey of a public repository is also reviewed: a language model reads each finding against the code and withdraws only findings it judges the code contradicts, each listed with its reason. The review is a language model's reading of the findings against the code, and it can be wrong. It never adds a finding, never raises a band, and never removes a finding from a proven check or an advisory that affects the surveyed version.
Embed the badge
Tied to this commit and this date, and it fades after 90 days — an honest badge is one that expires. A repository with significant findings gets a neutral "read" badge rather than a red one: the library is where the range is visible, not someone else's README.
[](/r/rxhanson/rectangle/b2e5709)If you embed it: link it to the report, remove it if the report is delisted, and do not present it as a certification or an endorsement.
- e55cda4 2026-09-25 · strong
Rejection log — 90 signals that ran and did not fire
Appendix: rejection log — 90 signals that ran and did not fire
Published on purpose. A signal that looked and decided not to fire has told you something, and this is the calibration data behind every threshold above.
Looked, and found nothing — 48
| Signal | What it found |
|---|---|
| 04.hotspot_concentration | change is spread across the codebase rather than pooling in a few filesfiles 645 · top5 share 0.185 |
| 04.debt_markers | debt markers are sparsemarkers 3 · per kloc 0.08 · lines read 35,398 |
| 04.test_growth | test effort kept pace with code writtenlate test per code 0.035 · early test per code 0.001 |
| 04.fixes_with_tests | fixes usually come with a testfixes 39 · share 0.205 · with tests 8 |
| 06.telemetry_presence | this repository does not deploy a running service, so instrumentation is not expected of itbasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere · files read 318 |
| 06.structured_logging | not a running service; structured logging is not expected of a librarybasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.healthcheck_presence | not a running service, so a health endpoint is not expectedbasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.migrate_on_start | migrations do not run at container start |
| 03.active_contributors | withheld: this check's result would describe one person |
| 03.knowledge_silos | withheld: this check's result would describe one person |
| 03.drive_by_contributors | withheld: this check's result would describe one person |
| 03.contributor_attrition | withheld: this check's result would describe one person |
| 03.critical_path_ownership | withheld: this check's result would describe one person |
| 03.second_contributor_attrition | withheld: this check's result would describe one person |
| 03.bus_factor_trend | withheld: this check's result would describe one person |
| 02.merge_discipline | a meaningful share of recent change carries evidence of reviewmerges 8 · window last 24 months · with tracked 6 |
| 02.ci_presence | CI configuration is present in the working treecount 1 |
| 02.release_cadence | tags are presenttags 105 |
| 02.conventional_commits | commit subjects generally carry contentsampled 1,179 · low content share 0.081 |
| 02.branch_protection_hints | process scaffolding is present in the repository |
| 02.ci_test_gating | no test run in CI is written so that it cannot failconfigs 1 |
| 02.revert_share | change is rarely undoneshare 0.0 · reverts 0 · recent commits 204 |
| 02.flaky_test_markers | tests are not retried until they passtest retries 0 · suite retries 0 |
| 02.commit_size | changes arrive in reviewable sizesshare 0.036 · commits 197 · over 2000 lines 7 |
| 01.burst_import | no commit run met both the rate and the net-addition thresholdgap seconds 180 · min add ratio 3.0 · min net added 2,000 |
| 01.initial_dump | first commit is not a disproportionate share of the codebaseinsertions 22 · share of insertions 0.0001 |
| 01.message_uniformity | commit subjects vary in wording and lengthlength stdev 23.16 · repeat share 0.121 |
| 01.revision_depth | most files were revisited after they were first writtenfiles seen 645 · write once share 0.46 |
| 01.duplicated_blocks | little shipping code is repeated verbatim across filesshare 0.0066 · product files 193 · distinct blocks 17,677 |
| 01.swallowed_errors | errors are rarely thrown awayloc 35,689 · files 0 · per kloc 0.0 |
| 01.unfinished_migration | no language migration is stalled halfway |
| 01.weights_in_git | no model weights are committedfiles 0 |
| 05.committed_secrets | no credential-shaped strings outside test and fixture pathsnote the working tree only; the history is 05.5 · patterns 7 · files read 318 |
| 05.security_guardrails | at least one standard guard rail is configured |
| 05.license_present | a licence file is presentfound True |
| 05.secrets_in_history | no credential-shaped string was ever added outside test and fixture pathspatterns 7 · truncated False · added lines 279,849 |
| 05.secrets_management_pattern | no environment file is committed outside tests and examplesenv files 0 |
| 05.supply_chain_pinning | third-party build steps are pinned, or fewaction refs 2 · pipe to shell 0 · unpinned third party 0 |
| 05.shell_from_strings | product code does not build shell commands from stringssites 0 |
| 05.unsafe_deserialization | no code-executing deserialiser in product codesites 0 |
| 05.tls_verification_off | no TLS verification is switched off in product codefiles 0 · sites 0 · pinned instead 0 |
| 05.privileged_workloads | no workload runs privileged or in the host's namespacessites 0 |
| 05.credentials_in_deploy_config | deployment configuration references secrets, never holds themfiles 0 · sites 0 |
| 05.signing_material | no signing keystore or profile is committedfiles 0 |
| 05.cleartext_traffic | plain HTTP is not allowed app-widesites 0 |
| 05.license_vendored_unlicensed | no vendored third-party code is committedcomponents 0 |
| 05.license_grant_unclear | the licence is recognisable as MITclass permissive · license MIT |
| 04.ci_platforms_dropped | no platform was dropped from CI in the last two years |
Could not conclude, or did not apply — 42
Not a clean result. Each says why it could not answer here.
| Signal | Why |
|---|---|
| 04.dependency_sprawl | no recognised dependency manifest found |
| 04.eol_runtime | no pinned runtime version to check |
| 04.fix_share_trend | fewer than six busy quarters to compare |
| 04.schema_churn | no schema migrations to read |
| 04.compat_layers | a library, whose compatibility code is usually deliberate |
| 04.dependency_redundancy | no JavaScript manifest to read |
| 06.telemetry_depth | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.print_logging | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.correlation_ids | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.error_reporting | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.alert_rules | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.deployed_image_floats | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.probes_identical | no Kubernetes probes |
| 06.single_replica | no Kubernetes deployments |
| 06.environment_branching | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.release_markers | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.feature_flags | no feature-flag service; flags may live elsewhere |
| 03.joiners_and_leavers | withheld: this check's result would describe one person |
| 02.test_presence | too few source files to judge test proportion |
| 02.skipped_tests | too few test files to judge how many are switched off |
| 02.dependency_update_cadence | no lockfile to date |
| 02.lint_in_build | too small, or no CI to wire a linter into (02.2) |
| 02.long_lived_branches | too few merges to judge (squash and rebase leave none) |
| 01.build_reproducibility | no product Dockerfile to read |
| 01.notebook_outputs | not a data or machine-learning repository |
| 05.dependency_pinning | no manifest whose pinning can be read without a lockfile |
| 05.container_runs_as_root | no Dockerfile to read |
| 05.outbound_timeouts | not a running service |
| 05.migration_reversibility | too few migrations to judge |
| 05.sql_from_strings | not a running service; a library that builds SQL is doing its job |
| 05.resource_limits | no Kubernetes workload manifests |
| 05.known_vulnerabilities | no lockfile this survey can read, or a collector older than 0.4.0 |
| 05.public_env_secret | not a frontend |
| 05.unsafe_html | not a frontend |
| 05.source_maps_shipped | not a frontend |
| 05.dataset_provenance | not a data or machine-learning repository |
| 05.license_copyleft_inherited | no third-party code is committed to this repository, so the licences it depends on are resolved at build time and are not readable here |
| 05.license_manifest_conflict | no packaging manifest states a licence |
| 04.flags_accumulating | few or no feature flags in the history |
| 04.api_versions_coexisting | not a running service |
| 04.deprecations_lingering | a library, which keeps deprecated interfaces for its users |
| 04.dependency_churn | few dependencies were added and dropped within 60 days |
Anyone can check this report against the authoritative record — click the stamp, or enter T9GQ-VDZJ-T4NP at borehole.dev/verify.
The code commits to the 94 checks this run performed, the bands they produced, and the commit they were read at. It does not cover checks written since.
Put the mark in your README
The image is wrapped in a link to the verification page, so a reader can check it rather than take it on trust. If you embed it: link it to the report, remove it if the report is delisted, and do not present it as a certification or an endorsement.
[](https://borehole.dev/verify/T9GQVDZJT4NP?via=badge)
A survey is a reading by a particular version of the assessor. Older readings are kept rather than replaced, because a verification mark attests to the survey it was issued for — overwriting one would make every code already in circulation read as tampered.
| Read | Assessor | Findings | Band |
|---|---|---|---|
| 2026-09-25 · shown | borehole 0.6.1 | 4 | strong |
15 other readings (show)
| 2026-10-04 | borehole 0.7.13 | 4 | strong |
| 2026-10-03 | borehole 0.7.12 | 4 | strong |
| 2026-10-03 | borehole 0.7.11 | 4 | strong |
| 2026-10-02 | borehole 0.7.10 | 4 | strong |
| 2026-10-01 | borehole 0.7.9 | 4 | strong |
| 2026-09-30 | borehole 0.7.8 | 4 | adequate |
| 2026-09-29 | borehole 0.7.6 | 5 | adequate |
| 2026-09-28 | borehole 0.7.5 | 5 | adequate |
| 2026-09-27 | borehole 0.7.4 | 5 | adequate |
| 2026-09-27 | borehole 0.7.3 | 5 | adequate |
| 2026-09-27 | borehole 0.7.2 | 5 | adequate |
| 2026-09-27 | borehole 0.7.1 | 5 | adequate |
| 2026-09-26 | borehole 0.7.0 | 5 | adequate |
| 2026-09-26 | borehole 0.6.3 | 2 | strong |
| 2026-09-26 | borehole 0.6.2 | 2 | strong |
Where this scan ran
This scan ran on ordinary cloud infrastructure (cloud-run), not in a hardware-isolated confidential VM. Nothing about it is attested by Google.
What an attested survey proves, and what it does not.
What this scan did with the repository — 7 steps
Written by the steps themselves as they ran, not described afterwards. A hand-written account of a data flow drifts the first time somebody changes the flow and not the account.
| At | Step | Detail |
|---|---|---|
| 0.0s | read repository metadata from the GitHub API | size mb: 4.1authenticated: False |
| 2.6s | cloned the repository to a temporary directory | depth: full |
| 4.1s | read the git history | commits: 1466tracked files: 453 |
| 16.8s | ran the deterministic checks | blame pass: Trueread working tree: False |
| 16.8s | recorded where this scan ran | attested: Falseenvironment: cloud-run |
| 22.8s | kept the facts, never the source, for re-reading under new checks | |
| 22.8s | deleting the working copy |
Total 22.8s ·source content sent off this machine: none · calls to a language model: 0 · the clone was deleted when the survey ended
An automated reading of a repository's code and its history up to one commit, with public advisory records. It may be wrong, it is not legal, financial, investment or security advice, and it does not replace diligence by a qualified person. It is provided for information: nobody may rely on it (Borehole's terms, section 3).