Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-18 14:07 UTC

quantastica / quantum-circuit

Quantum Circuit Simulator implemented in JavaScript

JavaScriptMIT★ 274 stars⑂ 58 forkssince Nov 2016View on GitHub ↗

quantastica/quantum-circuit holds a health index of 45 out of 100, placing it in the Weak band. It scores highest on Community & Adoption (65/100) and lowest on Vitality (21/100). It was last updated 34 days ago. A single contributor accounts for most of its recent work.

45
overall / 100
Weak

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.

45
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

Score profile

Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.

The weighted overall 47 is calibrated to 45 on the published index scale (record calibration 2026-08-02).

Ownership

QuantasticaOrganization · verified domain
22 followers14 public repossince Dec 2019

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npmquantum-circuit0.9.250376,96824034 days agoquantumqubitsimulatoremulatorqiskitqasmopenqasmqobjquilpyquilcirqqsharp

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

21At Risk · 21% of overall
How it's scored
18/36Push recencylast push 34 days ago
3.5/36Commit cadence5/52 weeks with commits
9/18Commit volume9 commits in the last year
3/10OpenSSF Scorecard: Maintained4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3
Inputs used
commits_last_year9
human_commit_share1
days_since_last_push34
active_weeks_last_year5
How it's scored
0/27Ships releasesno releases published
0/36Release recencyno releases
0/27Release cadenceno releases
0/10OpenSSF Scorecard: Signed-Releasesno data
Inputs used
releases_count0
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

65Good · 17% of overall
How it's scored
39.5/60Stars274 stars
14.6/25Forks58 forks
5.8/15Watchers12 watchers
Inputs used
forks58
stars274
watchers12
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5Licenserecognized license (MIT)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges0
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_services
has_pull_request_templateno
How it's scored
74.4/80Monthly downloads376,968 downloads/month across npm
0/20Registry dependentsnot reported by this ecosystem
Inputs used
packagesquantum-circuit
dependents
ecosystemsnpm
total_downloads
monthly_downloads376,968
unverified_packages_excluded
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

64Moderate · 23% of overall
How it's scored
9/54Bus factor1 contributor(s) cover half of all commits
3/22.5Commit distributiontop contributor authored 87% of commits
8.1/13.5Contributor breadth6 contributors
10/10OpenSSF Scorecard: Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
Inputs used
bus_factor1
contributors_sampled6
top_contributor_share0.868
How it's scored
35.4/42Issue resolution84% of issues closed
18.4/30PR acceptance30/49 decided PRs merged
0/13Newcomer PR acceptanceno first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-ReviewFound 1/29 approved changesets -- score normalized to 0
Inputs used
merged_prs30
open_issues8
closed_issues43
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.843
closed_unmerged_prs19
first_time_authors_30d0
first_time_prs_merged_30d0
first_time_prs_decided_30d0
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.
How it's scored
30/30Ownership backingorganization-owned
20/20Verified domain
9.8/25Owner reach22 followers of quantastica
20.6/25Track record14 public repos, account ~6 yr old
Inputs used
followers22
owner_typeOrganization
is_verifiedyes
owner_loginquantastica
public_repos14
account_age_days2,466

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable1 package(s) on npm
35/35Publish recencylatest publish 34 days ago
20/20Version history240 published versions
20/20Not deprecatedactive, not deprecated or yanked
Inputs used
packagesquantum-circuit
ecosystemsnpm
any_deprecatedno
min_days_since_publish34

Engineering Quality

Are baseline engineering and documentation practices in place?

44Weak · 19% of overall
How it's scored
0/24CI workflows
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests0 out of 1 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_cino
has_testsyes
has_editorconfigno
has_linter_configno
has_precommit_configno
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage sitehttps://quantum-circuit.com
10/10Repository description
10/10Topics12 topics
10/10Wiki
Inputs used
topicsquantum-circuit, qubits, qasm, quil, pyquil, quantum, cirq, simulator, emulator, quantum-computing, qubit, qiskit
has_wikiyes
homepage
docs_sitehttps://quantum-circuit.com
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

40Weak · 16% of overall
How it's scored
7.5/7.5Binary-Artifactsno binaries found in the repo
0/7.5Branch-Protectionbranch protection not enabled on development/release branches
0/2.5CI-Tests0 out of 1 merged PRs checked by a CI test -- score normalized to 0
0/2.5CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0/7.5Code-ReviewFound 1/29 approved changesets -- score normalized to 0
2.5/2.5Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
0/10Dangerous-Workflowno data
7.5/7.5Dependency-Update-Toolupdate tool detected
0/5Fuzzingproject is not fuzzed
2.5/2.5Licenselicense file detected
2.2/7.5Maintained4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3
0/5Packagingno data
0/5Pinned-Dependenciesno data
0/5SASTSAST tool is not run on all commits -- score normalized to 0
0/5Security-Policysecurity policy file not detected
0/7.5Signed-Releasesno data
0/7.5Token-Permissionsno data
0/7.5Vulnerabilities35 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated13
scorecard_versionv5.5.0
checks_inconclusive5
scorecard_aggregate3.2
Excluded from scoring (no data or not applicable): Dangerous-Workflow, Packaging, Pinned-Dependencies, Signed-Releases, Token-Permissions. Remaining weights renormalized.
How it's scored
14.6/35Direct dependencies free of known advisories1 affected: mathjs 6.6.5 (high 7.3)
25/25Indirect dependencies free of known advisoriesno indirect dependency carries a known advisory
33.8/40No advisories left outstanding1 advisory-carrying package(s) unaddressed past 90 days; oldest published 1,956 days ago
Inputs used
sourceosv
advisories1
affected_packages1
assessed_packages10
unassessed_packages0
affected_by_severityhigh 1
direct_affected_packages1
Matched the npm:quantum-circuit@0.9.250 runtime dependency closure — what installing the published package pulls in — 10 packages. Reachability is not analyzed.

AI Readiness

How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.

43Weak · 4% of overall
How it's scored
0/45Agent instructionsno CLAUDE.md / AGENTS.md / editor rules
15/15Machine-readable docs (llms.txt)llms.txt served by the project website (https://docs.ionq.com/llms.txt)
5.3/40Legible commit history10 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtyes
llms_txt_urlhttps://docs.ionq.com/llms.txt
legible_history_share0.1
agent_instruction_files
agent_instruction_max_bytes
How it's scored
0/18One-command bootstrap
22/22Automated tests
0/11Lint / format config
0/11Static type checking
10/10Reproducible environmentlockfile
0/10Demonstrated agent practiceno agent-authored commits among the last 100
0/8Automated maintenanceno automated dependency updates observed
0/10OpenSSF Scorecard: Pinned-Dependenciesno data
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageno
bootstrap_files
has_devcontainerno
has_linter_configno
typecheck_configs
agent_commit_share0
toolchain_manifests
dependency_bot_commit_share0
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.
How it's scored
0/45Type-checkable codeJavaScript without a type-check config
50.8/55Manageable file sizes2/26 source files over 60KB
Inputs used
primary_languageJavaScript
largest_source_bytes446,469
source_files_sampled26
oversized_source_files2
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)not applicable to this kind of software
0/20MCP servernot applicable to this kind of software
40/40Runnable examplesexample, notebooks
Inputs used
example_dirsexample, notebooks
has_mcp_signalno
api_schema_files
interfaces_expected_of
Excluded from scoring (no data or not applicable): API schema (OpenAPI/GraphQL/proto), MCP server. Remaining weights renormalized.

Key facts

274GitHub stars
6contributors
9commits, last 12 months
34days since last push
0releases
1bus factor
8open issues
npmpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token

More detail

Star and fork history 0 ★ / 58 ⇿
0Stars
58Forks

When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.

01020304050605842016-122021-102026-09

Each point covers 9 days.

OpenSSF Scorecard 3.2 / 10
3.2aggregate

Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-09-18 14:07 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
0CI-Tests0 out of 1 merged PRs checked by a CI test -- score normalized to 0
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0Code-ReviewFound 1/29 approved changesets -- score normalized to 0
10Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
n/aDangerous-Workflowno workflows found
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
3Maintained4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3
n/aPackagingpackaging workflow not detected
n/aPinned-Dependenciesno dependencies found
0SASTSAST tool is not run on all commits -- score normalized to 0
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
n/aToken-PermissionsNo tokens found
0Vulnerabilities35 existing vulnerabilities detected
Direct dependencies 2
RegistryPackageVersion constraintManifest
npmantlr44.7.2package.json
npmmathjs^6.0.3package.json
All dependencies 222

Full resolved dependency set from the GitHub dependency graph: 2 direct and 220 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npmantlr44.7.2direct
npmmathjs6.6.5direct
npmacorn7.1.1indirect
npmacorn-node1.8.2indirect
npmacorn-walk7.1.1indirect
npmansi-colors3.2.3indirect
npmansi-regex3.0.1indirect
npmansi-regex4.1.1indirect
npmansi-styles3.2.1indirect
npmargparse1.0.10indirect
npmasn1.js4.10.1indirect
npmassert1.5.0indirect
npmbalanced-match1.0.0indirect
npmbase64-js1.3.1indirect
npmbn.js4.12.0indirect
npmbrace-expansion1.1.11indirect
npmbrorand1.1.0indirect
npmbrowser-pack6.1.0indirect
npmbrowser-resolve1.11.3indirect
npmbrowser-stdout1.3.1indirect
npmbrowserify16.5.1indirect
npmbrowserify-aes1.2.0indirect
npmbrowserify-cipher1.0.1indirect
npmbrowserify-des1.0.2indirect
npmbrowserify-rsa4.0.1indirect
npmbrowserify-sign4.0.4indirect
npmbrowserify-zlib0.2.0indirect
npmbuffer5.2.1indirect
npmbuffer-from1.1.1indirect
npmbuffer-xor1.0.3indirect
npmbuiltin-status-codes3.0.0indirect
npmcached-path-relative1.1.0indirect
npmcamelcase5.3.1indirect
npmchalk2.4.2indirect
npmcipher-base1.0.4indirect
npmcliui5.0.0indirect
npmcolor-convert1.9.3indirect
npmcolor-name1.1.3indirect
npmcombine-source-map0.8.0indirect
npmcomplex.js2.0.11indirect
npmconcat-map0.0.1indirect
npmconcat-stream1.6.2indirect
npmconsole-browserify1.2.0indirect
npmconstants-browserify1.0.0indirect
npmconvert-source-map1.1.3indirect
npmcore-util-is1.0.2indirect
npmcreate-ecdh4.0.3indirect
npmcreate-hash1.2.0indirect
npmcreate-hmac1.1.7indirect
npmcrypto-browserify3.12.0indirect
npmdash-ast1.0.0indirect
npmdebug3.2.6indirect
npmdecamelize1.2.0indirect
npmdecimal.js10.2.0indirect
npmdefine-properties1.1.3indirect
npmdefined1.0.0indirect
npmdeps-sort2.0.1indirect
npmdes.js1.0.1indirect
npmdetective5.2.0indirect
npmdiff3.5.0indirect
npmdiffie-hellman5.0.3indirect
npmdomain-browser1.2.0indirect
npmduplexer20.1.4indirect
npmelliptic6.5.4indirect
npmemoji-regex7.0.3indirect
npmes-abstract1.17.6indirect
npmes-to-primitive1.2.1indirect
npmescape-latex1.2.0indirect
npmescape-string-regexp1.0.5indirect
npmesprima4.0.1indirect
npmevents2.1.0indirect
npmevp_bytestokey1.0.3indirect
npmfast-safe-stringify2.0.7indirect
npmfind-up3.0.0indirect
npmflat4.1.1indirect
npmfraction.js4.0.12indirect
npmfs.realpath1.0.0indirect
npmfunction-bind1.1.1indirect
npmget-assigned-identifiers1.2.0indirect
npmget-caller-file2.0.5indirect
npmglob7.1.3indirect
npmglob7.1.6indirect
npmgrowl1.10.5indirect
npmhas1.0.3indirect
npmhas-flag3.0.0indirect
npmhas-symbols1.0.1indirect
npmhash-base3.0.4indirect
npmhash.js1.1.7indirect
npmhe1.2.0indirect
npmhmac-drbg1.0.1indirect
npmhtmlescape1.1.1indirect
npmhttps-browserify1.0.0indirect
npmieee7541.1.13indirect
npminflight1.0.6indirect
npminherits2.0.1indirect
npminherits2.0.3indirect
npminherits2.0.4indirect
npminline-source-map0.6.2indirect
npminsert-module-globals7.2.0indirect
npmis-buffer1.1.6indirect
npmis-buffer2.0.4indirect
npmis-callable1.2.0indirect
npmis-date-object1.0.2indirect
npmis-fullwidth-code-point2.0.0indirect
npmis-regex1.1.0indirect
npmis-symbol1.0.3indirect
npmisarray1.0.0indirect
npmisexe2.0.0indirect
npmjavascript-natural-sort0.7.1indirect
npmjs-yaml3.13.1indirect
npmjson-stable-stringify0.0.1indirect
npmjsonify0.0.0indirect
npmjsonparse1.3.1indirect
npmJSONStream1.3.5indirect
npmlabeled-stream-splicer2.0.2indirect
npmlocate-path3.0.0indirect
npmlodash4.17.21indirect
npmlodash.memoize3.0.4indirect
npmlog-symbols2.2.0indirect
npmmd5.js1.3.5indirect
npmmiller-rabin4.0.1indirect
npmminimalistic-assert1.0.1indirect
npmminimalistic-crypto-utils1.0.1indirect
npmminimatch3.0.4indirect
npmminimatch3.1.2indirect
npmminimist1.2.8indirect
npmmkdirp0.5.4indirect
npmmkdirp-classic0.5.2indirect
npmmocha6.2.3indirect
npmmodule-deps6.2.2indirect
npmms2.1.1indirect
npmnode-environment-flags1.0.5indirect
npmobject-assign4.1.1indirect
npmobject-inspect1.8.0indirect
npmobject-keys1.1.1indirect
npmobject.assign4.1.0indirect
npmobject.getownpropertydescriptors2.1.0indirect
npmonce1.4.0indirect
npmos-browserify0.3.0indirect
npmp-limit2.3.0indirect
npmp-locate3.0.0indirect
npmp-try2.2.0indirect
npmpako1.0.11indirect
npmparents1.0.1indirect
npmparse-asn15.1.5indirect
npmpath-browserify0.0.1indirect
npmpath-exists3.0.0indirect
npmpath-is-absolute1.0.1indirect
npmpath-parse1.0.7indirect
npmpath-platform0.11.15indirect
npmpbkdf23.0.17indirect
npmprocess0.11.10indirect
npmprocess-nextick-args2.0.1indirect
npmpublic-encrypt4.0.3indirect
npmpunycode1.3.2indirect
npmpunycode1.4.1indirect
npmquerystring0.2.0indirect
npmquerystring-es30.2.1indirect
npmrandombytes2.1.0indirect
npmrandomfill1.0.4indirect
npmread-only-stream2.0.0indirect
npmreadable-stream2.3.7indirect
npmreadable-stream3.6.0indirect
npmrequire-directory2.1.1indirect
npmrequire-main-filename2.0.0indirect
npmresolve1.1.7indirect
npmresolve1.15.1indirect
npmripemd1602.0.2indirect
npmsafe-buffer5.1.2indirect
npmsafe-buffer5.2.0indirect
npmseed-random2.2.0indirect
npmsemver5.7.1indirect
npmset-blocking2.0.0indirect
npmsha.js2.4.11indirect
npmshasum1.0.2indirect
npmshasum-object1.0.0indirect
npmshell-quote1.8.0indirect
npmsimple-concat1.0.0indirect
npmsource-map0.5.7indirect
npmsprintf-js1.0.3indirect
npmstream-browserify2.0.2indirect
npmstream-combiner21.1.1indirect
npmstream-http3.1.0indirect
npmstream-splicer2.0.1indirect
npmstring-width2.1.1indirect
npmstring-width3.1.0indirect
npmstring.prototype.trimend1.0.1indirect
npmstring.prototype.trimstart1.0.1indirect
npmstring_decoder1.1.1indirect
npmstring_decoder1.3.0indirect
npmstrip-ansi4.0.0indirect
npmstrip-ansi5.2.0indirect
npmstrip-json-comments2.0.1indirect
npmsubarg1.0.0indirect
npmsupports-color5.5.0indirect
npmsupports-color6.0.0indirect
npmsyntax-error1.4.0indirect
npmthrough2.3.8indirect
npmthrough22.0.5indirect
npmtimers-browserify1.4.2indirect
npmtiny-emitter2.1.0indirect
npmtty-browserify0.0.1indirect
npmtyped-function1.1.1indirect
npmtypedarray0.0.6indirect
npmuglify-js3.10.0indirect
npmumd3.0.3indirect
npmundeclared-identifiers1.1.3indirect
npmurl0.11.0indirect
npmutil0.10.3indirect
npmutil0.10.4indirect
npmutil-deprecate1.0.2indirect
npmvm-browserify1.1.2indirect
npmwhich1.3.1indirect
npmwhich-module2.0.0indirect
npmwide-align1.1.3indirect
npmwrap-ansi5.1.0indirect
npmwrappy1.0.2indirect
npmxtend4.0.2indirect
npmy18n4.0.3indirect
npmyargs13.3.2indirect
npmyargs-parser13.1.2indirect
npmyargs-unparser1.6.0indirect
Dependency advisories 1

Installing npm:quantum-circuit@0.9.250 pulls in 10 packages, direct and transitive: 1 carry known advisories, of which 1 are direct dependencies.

PackageVersionRelationSeverityAdvisoriesFixed in
mathjs6.6.5directhigh17.5.1

An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.

Raw JSON report machine-readable

Feedback

Spotted something off in this report, or have thoughts to share? Wrong measurements, missed tooling, ideas, questions — anything is welcome. Every message is read and gets a response.

The message is kept through sign-in.

Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.

Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v2.10.0, schema v0.34.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statisticsnpm.