Borehole · Risk register · free tier
denoland/deno
Free reading: not for reliance
Borehole badge for denoland/deno
461f32e · 17,368 commits · 14,851 files
Issued 2026-09-23

Reads strong: 4 of 6 rated dimensions are strong, 2 are adequate and none is significant.

35 checks ran across 6 assessable dimensions. Security & Reliability Posture and Architecture & Codebase — including AI provenance are adequate. 1 finding is worth checking first. 5 findings, each with evidence. One dimension cannot be assessed without an acquirer.

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.

  • 05.1 5 credential-shaped string(s) committed to the tree
An earlier reading. This is the survey of 2026-09-23 by borehole 0.1.0.dev0, which is what its verification code attests to. A newer reading of the same commit exists: read the newest.
Published under today's rules. The verification code attests to this reading as it was stored. This page differs from it as follows.
  • 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 rated significant by a check that has not yet held up in Borehole's calibration is now worth checking first.
  • 1 finding from checks Borehole's calibration found wrong more often than right is 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
3% of added lines arrived in commits declaring an AI agent as co-author
The surviving-lines measurement was not run on this repository.
423/17,362 commits declaring an agent
confidence: moderate
  • 16% 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
133,314 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 · adequate · ratings ↑
01.6

runtime/permissions/lib.rs is 11,757 lines, 1175× this codebase's median file

adequate

The median source file here is 10 lines. 259 files exceed 1,000 lines, the largest being 11,757. 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.

Evidence
line-count runtime/permissions/lib.rs:1 — 11,757 lines (1175× median)
line-count libs/cli_parser/src/tests_full.rs:1 — 9,995 lines (999× median)
line-count libs/npm/resolution/graph.rs:1 — 9,750 lines (975× median)
line-count ext/web/06_streams.js:1 — 8,584 lines (858× median)
line-count tests/bench/testdata/db.ts:1 — 8,402 lines (840× 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. 7 checks ran and none fired; the rejection log below says why each did not.

Organization & Key-Person Risk

03 · strong · ratings ↑

No finding. 5 checks ran and none fired; the rejection log below says why each did not.

Product & Engineering Maturity

04 · strong · ratings ↑

No finding. 5 checks ran and none fired; the rejection log below says why each did not.

Security & Reliability Posture

05 · adequate · ratings ↑
05.1

5 credential-shaped string(s) committed to the tree

adequate worth checking first

Matches for private key block appear in tracked files outside test and fixture paths. Whether these are live is not something a repository can settle, and they may well be rotated already — but they are in the history permanently, and the question a buyer must ask is what the rotation process was, not whether one string still works.

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. If it holds when someone checks it, this finding is significant.

Evidence
private key block 5 cited: private key block pattern matched
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.

05.2

None of the standard security guard rails are configured

adequate

There is no disclosure policy, no automated dependency updates, no named code owners and no pre-commit configuration. None of these is load-bearing on its own. Their collective absence says that security posture here is whatever the current team happens to remember to do, which is not a posture that survives the team changing.

Evidence
guardrail-scan checked 7 standard paths across 14,851 tracked files; 0 present
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.

05.6

1 Dockerfile(s) run the application as root

adequate

No USER instruction switches away from root, so the process runs with full privileges inside the container. It is a one-line fix and an ordinary expectation, which is why its absence is worth asking about: it usually says more about whether anyone has reviewed the deployment than about this container specifically.

Evidence
no-USER-instruction .devcontainer/Dockerfile — runs as root
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.

05.9

2 vendored components with no licence

adequate

Third-party code is committed into this repository without any statement of the terms it arrived under. Unknown terms are harder to deal with than inconvenient ones: an awkward licence can be complied with, an absent one cannot. Each of these needs its origin established before the code changes hands.

Evidence
ext/node/polyfills/deps/minimatch.js ext/node/polyfills/deps/minimatch.js — 1 tracked files, no licence file
ext/node/polyfills/internal/deps/undici ext/node/polyfills/internal/deps/undici — 1 tracked files, no licence file
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 · strong · ratings ↑

No finding. 3 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.

Check it on the running system

4 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.

Engineering Process & SDLC Maturity

02 · high coverage
  1. Incident response practice is not visible in a repository.

Organization & Key-Person Risk

03 · partial coverage
  1. Hiring pipeline, bench depth and retention are not visible in a repository.
  2. Whether the dominant contributor is part of the transaction.
  3. Seniority, levelling and who actually mentors whom.
  4. Whether the team wants to stay after the deal closes.

Product & Engineering Maturity

04 · minimal coverage
  1. Roadmap credibility requires the data room.
  2. Whether technical debt is acknowledged and funded.

Security & Reliability Posture

05 · partial coverage
  1. Incident history and failure-mode analysis are not in the repository.

Observability & Operations

06 · partial coverage
  1. Whether anyone watches the telemetry that exists.

Fit with the Acquirer

07 · none coverage

Not rated: structurally not assessable from a repository.

  1. This is a TypeScript and JavaScript codebase. Does your engineering organisation already run TypeScript and JavaScript in production, or would this be the first?
  2. 1303 people have committed here. Which of them are you acquiring, and which are you replacing?
  3. The bulk of this system sits in cli/, ext/, tests/. Which of your existing systems would each of those have to absorb or replace?
  4. This deploys as a container or managed service. Does that match your deployment and on-call model, or does it need rehosting first?
  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?

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.

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.

Borehole badge for denoland/deno
[![Borehole](/badge/denoland/deno.svg "Borehole free reading: not for reliance. See the full report.")](/r/denoland/deno/461f32e)

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.

Compare with an earlier read
Was this reading useful?
Rejection log — 30 signals that ran and did not fire

Appendix: rejection log — 30 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 — 30

SignalWhat it found
04.hotspot_concentration change is spread across the codebase rather than pooling in a few filesfiles 35,641 · top5 share 0.046
04.debt_markers debt markers are sparsemarkers 813 · per kloc 0.7 · lines read 1,161,621
04.dependency_sprawl direct dependency counts are unremarkable
04.test_growth test effort kept pace with code writtenlate test per code 0.391 · early test per code 0.152
04.churn_trend rework is not rising against new worklate delete per insert 0.575 · early delete per insert 0.664
06.telemetry_presence a telemetry or error-reporting library is referencednote presence only; whether anyone watches it is not visible here · matches 53
06.structured_logging a structured logging library is referencedmatches 1
06.healthcheck_presence a health or readiness check is defined
03.contributor_concentration no single contributor dominates the historyauthors 1,303 · top share less than a quarter · bus factor 7
03.active_contributors more than one contributor active in the trailing yearall time 1,303 · active 12mo 209
03.knowledge_silos every substantial directory has been touched by more than one personauthors 1,303 · directories 49
03.drive_by_contributors a healthy share of contributors committed more than onceshare 0.633 · authors 1,303 · one commit authors 825
03.contributor_attrition no contributor dominates enough for their absence to matterauthors 1,303 · top share less than a quarter · top contributor last committed within the last three months
02.merge_discipline a meaningful share of change arrives through a reviewable pathmerges 6 · commits 17,368 · reviewed share 0.907
02.ci_presence CI configuration is present in the working treecount 22
02.test_presence tests are present in a normal proportion to sourcetests 4,334 · source 5,996 · test ratio 0.723
02.release_cadence tags are presenttags 442
02.conventional_commits commit subjects generally carry contentsampled 17,362 · low content share 0.012
02.branch_protection_hints process scaffolding is present in the repository
02.ci_runs_tests CI invokes a test runnerconfigs 22 · with tests 4
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 66 · share of insertions 0.0
01.message_uniformity commit subjects vary in wording and lengthlength stdev 18.31 · repeat share 0.011
01.duplicated_blocks little shipping code is repeated verbatim across filesshare 0.0055 · product files 1,484 · distinct blocks 496,705
05.dependency_pinning a lockfile is committed, so builds are reproduciblelockfile True
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 1,135,215
05.license_copyleft_inherited every licence found in vendored code is permissive or weak-copyleftvendored paths 212
05.license_manifest_conflict manifest and licence file agree on MITlicense MIT
05.license_grant_unclear the licence is recognisable as MITclass permissive · license MIT
BOREHOLE READING NOT A CERTIFICATION G6KZ-VTBB-HYZB 2026-09-23 · 461F32E BOREHOLE.DEV/VERIFY

Anyone can check this report against the authoritative record — click the stamp, or enter G6KZ-VTBB-HYZB at borehole.dev/verify.

The code commits to the 36 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/denoland/deno/461f32e.svg "Borehole free reading: not for reliance. See the full report.")](https://borehole.dev/verify/G6KZVTBBHYZB?via=badge)

Borehole reading G6KZ-VTBB-HYZB, not a certification

This commit has been surveyed 21 times

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.

ReadAssessorFindingsBand
2026-09-23 · shown borehole 0.1.0.dev0 6 strong
20 other readings (show)
2026-10-04 borehole 0.7.13 8 strong
2026-10-03 borehole 0.7.12 8 strong
2026-10-03 borehole 0.7.11 8 strong
2026-10-02 borehole 0.7.10 8 strong
2026-10-01 borehole 0.7.9 8 adequate
2026-09-30 borehole 0.7.8 8 adequate
2026-09-29 borehole 0.7.6 8 adequate
2026-09-28 borehole 0.7.5 8 adequate
2026-09-28 borehole 0.7.4 8 adequate
2026-09-27 borehole 0.7.3 7 adequate
2026-09-27 borehole 0.7.2 7 adequate
2026-09-27 borehole 0.7.1 8 adequate
2026-09-26 borehole 0.7.0 8 adequate
2026-09-26 borehole 0.6.3 8 adequate
2026-09-26 borehole 0.6.2 8 adequate
2026-09-25 borehole 0.6.1 7 adequate
2026-09-25 borehole 0.6.0 13 adequate
2026-09-24 borehole 0.4.0 13 adequate
2026-09-24 borehole 0.4.0.dev2 8 adequate
2026-09-24 borehole 0.4.0.dev1 8 adequate
What this scan did with the repository — 5 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
0.4s read repository metadata from the GitHub API size mb: 244.7authenticated: False
29.9s cloned the repository to a temporary directory depth: full
60.9s read the git history commits: 17368tracked files: 14851
99.4s ran the deterministic checks blame pass: Falseread working tree: True
99.4s deleting the working copy

Total 99.4s ·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 0.1.0.DEV0 DETERMINISTIC LAYER · NO MODEL CALLSREAD ON BOREHOLE'S SERVER · CLONE DELETED TAKEDOWNCONTRIBUTED TO THIS REPOSITORY? YOUR RIGHTS