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harnessmd/munder-difflin
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Borehole badge for harnessmd/munder-difflin
f797048 · 1,431 commits · 3,673 files
Issued 2026-10-28

Significant: one contributor carries the recent work.

1 of 6 assessable dimensions carries significant findings, 2 are adequate and 2 are strong. 1 finding is worth checking first. 6 findings, each with its evidence: the commit, path and lines it rests on, or, when something is missing, what was looked for. One dimension cannot be assessed without an acquirer.

What matters most
  • 03.1 Significant: Bus factor 1: recent work is concentrated in one contributor
Worth checking first

Borehole's proprietary scoring is calibrated across hundreds of repositories. Each finding here reads significant, but its check has not yet held up often enough in that calibration to rate significant on its own. If one holds when someone checks it, it is significant.

  • 05.26 25 locked dependencies have published vulnerabilities, 35 high or critical in what ships
Published under today's rules. The verification code attests to this reading as it was stored. This page differs from it as follows.
  • 5 findings from checks Borehole's calibration found wrong more often than right are no longer published.
  • The file and line of 5 credential-shaped matches are withheld. File and line are shown to whoever GitHub says controls this repository, signed in, and to a buyer of this report.
strong adequate significant findings not assessable from a repository
Provenance disclosure does not affect any rating
47% of added lines arrived in commits declaring an AI agent as co-author
The surviving-lines measurement was not run on this repository.
796/1,131 commits declaring an agent · Claude, Claude Fable 5, Claude Fable 5.1 and 8 more
confidence: moderate
  • 72% of non-merge commits carry any trailer at all
  • no widespread author/committer date divergence
  • the declared share is neither decisive nor negligible, so the true figure is more sensitive to undeclared work
21,418 lines excluded as lockfiles, vendored or generated.
This is a lower bound. It counts what the repository declares. Undeclared AI authorship is invisible here, and a single rebase removes the trailers this rests on. Absence of a declaration is absence of disclosure, not absence of AI authorship.

Architecture & Codebase — including AI provenance

01 · strong · ratings ↑
A note that does not affect this rating
01.6

src/main/index.ts is 5,512 lines, 31× this codebase's median file

adequate

The median source file here is 177 lines. 4 files exceed 1,770 lines, the largest being 5,512. 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.

A note that does not affect this rating: measured against its own codebase's median, it is below the 85th percentile of 382 surveyed projects' largest files, where this check begins to count.

Evidence
line-count src/main/index.ts:1 — 5,512 lines (31× median)
line-count src/main/hive.ts:1 — 3,670 lines (20× median)
line-count src/renderer/src/components/SettingsModal.tsx:1 — 2,122 lines (11× median)
line-count src/renderer/src/scene/office/OfficeFloor.tsx:1 — 1,806 lines (10× 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 · adequate · ratings ↑
02.24

8% of recent commits change more than 2,000 lines

adequate

80 of 984 commits in the last 24 months changed over 2,000 lines of code, not counting reformatting, renames, vendored or generated code. A change that size is rarely reviewed line by line. Ask how they were reviewed, and what made them that large.

Evidence
git log --numstat 80 commits over 2,000 lines
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.

Organization & Key-Person Risk

03 · significant findings · ratings ↑
03.1

Bus factor 1: recent work is concentrated in one contributor

significant findings

In the last 24 months, one contributor authored more than half of 1,100 non-merge commits among 58 authors; across all history, more than half of 1,100. This is the single most expensive thing to discover after closing, and the repository cannot tell you whether that person is part of the transaction.

Evidence
git shortlog -sn last 24 months: top author more than half of 1,100 commits; bus factor 1; 58 authors
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.

03.8

One person alone changes authentication

adequate

In the last 24 months, of 58 contributors, a single person made every change to: authentication (17 commits). These are the parts where a mistake is expensive and where knowledge is hardest to rebuild. Ask who else could change them safely tomorrow.

Evidence
git log -- <area> sole author over 24 months: authentication (17 commits)
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.

Product & Engineering Maturity

04 · strong · ratings ↑

No finding. 19 checks ran and none fired; the rejection log below says why each did not.

Security & Reliability Posture

05 · adequate · ratings ↑
05.1

13 credential-shaped strings in the tree sit in tests, examples, documentation or local development settings

adequate

Strings shaped like credentials appear only where fakes are usual: test fixtures, examples, documentation, placeholders and local stacks. They are almost always fakes. Ask someone to confirm that none of them works anywhere, because a real key in a development file is still a real key.

Evidence
GitHub token 2 cited: GitHub token, where fakes are usual
Slack token 3 cited: Slack token, where fakes are usual
File and line are shown to whoever GitHub says controls this repository, signed in, and to a buyer of this report.
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.

05.26

25 locked dependencies have published vulnerabilities, 35 high or critical in what ships

adequate worth checking first

25 of 662 locked dependencies match 96 published advisories in OSV, 54 of them rated high or critical. A lockfile says which version is installed, not whether the flawed code is reachable from this product, so each needs a look. Most are fixed by an upgrade, and the advisory names the version.

The check that found this reads significant, but it has not yet held up often enough in Borehole's calibration to rate a finding significant on its own. Opening package-lock.json and the 1 other file it cites settles it. If it holds when someone checks it, this finding is significant.

Evidence
package-lock.json package-lock.json — proxy-addr 2.0.7: GHSA-jqcg-44mw-7w3h (critical), fixed in 2.0.8
landing-remotion/package-lock.json landing-remotion/package-lock.json — remotion 4.0.286: GHSA-2jqp-f4gr-44fr (critical), fixed in 4.0.410; in a separate application's lockfile
package-lock.json package-lock.json — @modelcontextprotocol/sdk 1.29.0: GHSA-22jm-h49p-29qw (high), fixed in 1.32.0
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.

Observability & Operations

06 · not assessable · ratings ↑

Not rated: only 5 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it. What a person adds here.

Fit with the Acquirer

07 · not assessable · ratings ↑

Not rated: structurally not assessable from a repository. What a person adds here.

Check it on the running system

2 checks against the running system follow from the findings above: what a buyer's engineer will try, how to run it first, and what to have ready. A paid survey of this repository includes them. See the tiers.

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.

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
  1. measured The tree carries design documentation (DESIGN.md and 2 more). Does it match what the team believes today? Ask them to walk through it against the code. Answer lives in: The team01.38
  2. Is the architecture right for the next three years of the product? Answer lives in: Your architects, with the product roadmap01.39
  3. Were the home-grown components reasonable choices when they were made, and are they now? Answer lives in: The team's reasoning at the time01.40

Engineering Process & SDLC Maturity

02 · high coverage
  1. Is review real or a rubber stamp? Comment depth and time to approve need the pull request history. Answer lives in: The code host's pull request data02.32
  2. Is delivery planned and measured, or heroic? Answer lives in: The issue tracker: backlog, sprint history, estimate accuracy02.38
  3. How are incidents run, reviewed and learned from? Answer lives in: Tickets, chat and postmortems02.37

Organization & Key-Person Risk

03 · partial coverage
  1. measured One contributor authored more than half of the commits in this history. Is that person part of the transaction, and for how long after it? Answer lives in: The deal terms03.29
  2. Who mentors whom, and would that survive a departure? Answer lives in: The team; review history only suggests candidates03.28
  3. Can the team grow, and who stands behind the top three contributors? Answer lives in: Recruiting data and the org chart03.30
  4. Is the seniority mix sound, and will pay survive your salary bands? Answer lives in: HR data03.31
  5. Is the pace sustainable? Commit times cannot say: git keeps no reliable local time. Answer lives in: Interviews and on-call history03.14
  6. Does the team want to stay after close? Answer lives in: Interviews03.32
  7. How are decisions made and disagreements resolved? Answer lives in: Time with the team03.33

Product & Engineering Maturity

04 · minimal coverage
  1. Can this team deliver the stated roadmap on the stated timeline? Answer lives in: The data room and the team's record of estimates04.32
  2. Does leadership know about the debt, and is time budgeted to repay it? Answer lives in: Budget and roadmap decisions04.31
  3. Is the engineering shape consistent with the commercial story? Answer lives in: Revenue, customer and churn data04.33

Security & Reliability Posture

05 · partial coverage
  1. What has actually broken, how often, and how badly? Answer lives in: Ticketing and chat05.41
  2. What did external testing find, and was it fixed? Answer lives in: Reports in the data room05.42
  3. What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence? Answer lives in: Audit reports; policy files in the tree are not evidence05.44

Observability & Operations

06 · partial coverage

Not rated: only 5 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it.

  1. Are the dashboards opened, the alerts acknowledged and the pages answered? Answer lives in: Pager history and dashboard logs06.29
  2. Are the service-level objectives actually met? Answer lives in: Production metrics06.30
  3. Who carries the pager, and how often does it go off? Answer lives in: Pager exports and interviews06.31
  4. What does it cost to run, and how much headroom is there? Answer lives in: Cloud billing and capacity plans06.32

Fit with the Acquirer

07 · none coverage

Not rated: structurally not assessable from a repository.

  1. This is primarily a TypeScript codebase, with JavaScript alongside (28% of source files). Does your engineering organisation already run TypeScript in production, or would this be the first? 07.1
  2. The bulk of this system sits in src/, blog/, landing-remotion/. Which of your existing systems would each of those have to absorb or replace? 07.10
  3. 47% of added lines came through AI-declared commits. Does your organisation have a policy on inheriting and maintaining that code, and does your engineering team's tooling match how it was produced? 07.9
  4. 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? 07.2
  5. 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?
  6. Which of these systems duplicate yours, and which get retired? Answer lives in: Your architecture07.11
  7. What will integration cost, and in what order? Answer lives in: The engagement07.12
  8. Where does the team land in your organisation, and who reports to whom? Answer lives in: Your org design07.13
  9. Are there earn-outs, retention packages or contractor IP to assign? Answer lives in: Deal terms07.14
  10. Do customer contracts limit hosting, regions or vendors? Answer lives in: Customer contracts07.15

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.

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Rejection log — 95 signals that ran and did not fire

Appendix: rejection log — 95 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 — 60

SignalWhat it found
04.hotspot_concentration change is spread across the codebase rather than pooling in a few filesfiles 3,739 · top5 share 0.044
04.debt_markers debt markers are sparsemarkers 25 · per kloc 0.07 · lines read 376,947
04.dependency_sprawl direct dependency counts are unremarkable
04.fixes_with_tests fixes usually come with a testfixes 381 · share 0.354 · with tests 135
04.compat_layers little code is kept for the old wayshare 0.0 · code files 331 · compat files 0
04.dependency_redundancy one library per job, mostly
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 1,468
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.usage_reporting_default the product's code names no reporting hostsettings on 1 · settings off 1
06.migrate_on_start migrations do not run at container start
03.drive_by_contributors an open contributor base, where one-commit contributors are normalauthors 58 · one off share 0.448
02.merge_discipline a meaningful share of recent change carries evidence of reviewmerges 300 · window last 24 months · with tracked 16
02.ci_presence CI configuration is present in the working treecount 7
02.test_presence tests are present in a normal proportion to sourcetests 132 · source 462 · test ratio 0.286
02.conventional_commits commit subjects generally carry contentsampled 1,131 · low content share 0.001
02.branch_protection_hints process scaffolding is present in the repository
02.skipped_tests few tests are switched offfocused 0 · skipped 0 · test files 134
02.ci_test_gating no test run in CI is written so that it cannot failconfigs 7
02.revert_share change is rarely undoneshare 0.001 · reverts 1 · recent commits 1,100
02.dependency_update_cadence dependencies move with the codelockfiles 3 · commits since 216 · days since lockfile changed 50
02.flaky_test_markers tests are not retried until they passtest retries 0 · suite retries 0
02.lint_in_build a linter or formatter runs in the buildwired 1 · ci configs 7 · product files 331
02.long_lived_branches the typical branch reaches the trunk quicklyshare 0.008 · merges 244 · long lived 2
01.initial_dump first commit is not a disproportionate share of the codebaseinsertions 16,679 · share of insertions 0.0197
01.message_uniformity commit subjects vary in wording and lengthlength stdev 18.3 · repeat share 0.038
01.duplicated_blocks little shipping code is repeated verbatim across filesshare 0.0062 · product files 330 · distinct blocks 66,833
01.swallowed_errors errors are rarely thrown awayloc 378,405 · files 4 · per kloc 0.09
01.unfinished_migration no language migration is stalled halfway
01.weights_in_git no model weights are committedfiles 0
05.security_guardrails at least one standard guard rail is configured
05.dependency_pinning a lockfile is committed, so builds are reproduciblelockfile True
05.license_present a licence file is presentfound True
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 17 · pipe to shell 0 · unpinned third party 1
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 · behind a setting or built here 0
05.credentials_in_deploy_config deployment configuration references secrets, never holds themfiles 0 · sites 0
05.public_env_secret only publishable values carry a public prefixnames 0 · sites 0 · not secrets 0
05.unsafe_html raw HTML is rare, literal or sanitisedsites 2
05.source_maps_shipped production builds do not publish source mapssites 0
05.signing_material no signing keystore or profile is committedfiles 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
05.committed_native_libraries no widely used compiled library is committed to the productlibraries 0
04.deprecations_lingering few deprecations have outlived two yearsolder than two years 0 · files with deprecations 3
04.dependency_churn few dependencies were added and dropped within 60 daysdependencies seen 49 · added in two years 49 · removed within 60 days 0
04.ci_platforms_dropped no platform was dropped from CI in the last two years
04.repository_status the README's first screen states no end, move or freezestatements 0
02.development_elsewhere nothing says development happens elsewhereno pr statements 0 · mirror statements 0 · replayed commit share 0.0
05.licence_changes the root licence has not changed in the history readlicence versions 1 · unreleased changes 0
05.paid_edition no directory carries a separate paid-edition licencedirectories 0
04.releases_stopped releases keep pace with developmentmedian gap days 1.5 · days since last tag 26 · commits last 90 days 876
04.release_branch the newest release was cut from the branch surveyedelsewhere 0 · on branch 42 · tags in window 42
03.single_maintainer no file says one person maintains itstatements 0
05.project_advisories no published advisory affects the surveyed versionaffecting 0 · exploited 0 · advisories 0
05.advisory_record no advisory against the project in the last 24 monthscritical 0 · affecting 0 · could not tell 0
05.project_exploited no affecting advisory is on CISA's Known Exploited listexploited 0

Could not conclude, or did not apply — 35

Not a clean result. Each says why it could not answer here.

SignalWhy
04.test_growthhistory too short to compare code and test growth
04.churn_trendhistory too short to read a churn trend
04.eol_runtimeno pinned runtime version to check
04.fix_share_trendfewer than six busy quarters to compare
04.schema_churnno schema migrations to read
06.telemetry_depthnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.print_loggingnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.correlation_idsnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.error_reportingnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.alert_rulesnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.deployed_image_floatsnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.probes_identicalno Kubernetes probes
06.single_replicano Kubernetes deployments
06.environment_branchingnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.release_markersnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.feature_flagsno feature-flag service; flags may live elsewhere
03.active_contributorshistory too short to distinguish active from historical contributors
03.contributor_attritiontoo little history to tell activity from absence
03.second_contributor_attritiontoo little history
03.bus_factor_trendfewer than three active years to compare
03.joiners_and_leaverstoo few regular contributors to see a trend
02.release_cadencerepository history is too short to judge release cadence
01.build_reproducibilityno product Dockerfile to read
01.notebook_outputsnot a data or machine-learning repository
05.container_runs_as_rootno Dockerfile to read
05.outbound_timeoutsnot a running service
05.migration_reversibilitytoo few migrations to judge
05.sql_from_stringsnot a running service; a library that builds SQL is doing its job
05.resource_limitsno Kubernetes workload manifests
05.cleartext_trafficnot a mobile app
05.dataset_provenancenot a data or machine-learning repository
05.license_copyleft_inheritedno 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_conflictno packaging manifest states a licence
04.flags_accumulatingfew or no feature flags in the history
04.api_versions_coexistingnot a running service
BOREHOLE READING NOT A CERTIFICATION XXWB-097F-917K 2026-10-28 · F797048 BOREHOLE.DEV/VERIFY

Anyone can check this report against the authoritative record — click the stamp, or enter XXWB-097F-917K at borehole.dev/verify.

The code commits to the 106 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.

[![Borehole reading, not a certification](https://borehole.dev/badge/harnessmd/munder-difflin/f797048.svg "Borehole free reading: not for reliance. See the full report.")](https://borehole.dev/verify/XXWB097F917K?via=badge)

Borehole reading XXWB-097F-917K, not a certification

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.

AtStepDetail
0.0s read repository metadata from the GitHub API size mb: 312.3authenticated: False
17.6s cloned the repository to a temporary directory depth: full
23.9s read the git history commits: 1431tracked files: 3673
119.0s ran the deterministic checks blame pass: Falseread working tree: False
119.0s recorded where this scan ran attested: Falseenvironment: cloud-run
197.2s kept the facts, never the source, for re-reading under new checks
197.2s deleting the working copy

Total 197.2s ·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).

BOREHOLE 0.7.15 DETERMINISTIC LAYER · NO MODEL CALLSREAD ON BOREHOLE'S SERVER · CLONE DELETED TAKEDOWNCONTRIBUTED TO THIS REPOSITORY? YOUR RIGHTS