Public record
Software health reportschema 0.11.0 · metrics 2.10.0 · 2026-07-17 13:49 UTC

samirkumardas / jmuxer

jMuxer - a simple javascript mp4 muxer that works in both browser and node environment.

JavaScriptCustom license★ 635 stars⑂ 123 forkssince Dec 2017View on GitHub ↗
KindLibraryhow this is determined
#h264#raw-h264-player#aac#jmuxer#mse#mp4#mp4-muxer#media-source-extension#rtsp#hls#h264-player#aac-player#chunk#javascript-mp4-player#html5-mp4-player#video-streaming#javascript-mp4-muxer#drone#cctv-player#h264-live-player

samirkumardas/jmuxer holds a health index of 62 out of 100, placing it in the Moderate band. It scores highest on Vitality (70/100) and lowest on AI Readiness (35/100). It was last updated 2 days ago. A single contributor accounts for most of its recent work.

62
overall / 100
Moderate

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.

62
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 58 is calibrated to 62 on the published index scale (record calibration 2026-08-02).

Ownership

webstream-labsOrganization
2 followers4 public repossince Nov 2025

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

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npmjmuxer2.1.174,048152 days agoh264raw-h264aacmuxermseadtsplayerhtml5mp4rtsphlsjmuxer

Metrics by category

Vitality

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

70Good · 21% of overall

Development activity

76Good
How it's scored
36/36Push recency — last push 2 days ago
13.8/36Commit cadence — 20/52 weeks with commits
16.7/18Commit volume — 71 commits in the last year
9/10OpenSSF Scorecard: Maintained — 10 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 9
Inputs used
commits_last_year71
human_commit_share—
days_since_last_push2
active_weeks_last_year20

Release discipline

62Moderate
How it's scored
27/27Ships releases — 13 releases published
16.2/36Release recency — latest release 298 days ago
12.6/27Release cadence — a release every ~209.3 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count13
latest_release_tagv2.1.0
releases_from_tagsno
days_since_latest_release298
mean_days_between_releases209.3
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?

63Moderate · 17% of overall

Popularity & adoption

69Good
How it's scored
45.5/60Stars — 635 stars
17.4/25Forks — 123 forks
6/15Watchers — 13 watchers
Inputs used
forks123
stars635
watchers13
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

44Weak
How it's scored
22.5/22.5README
16.9/22.5License — license file present, not a recognized license
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges—
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_services—
has_pull_request_templateno

Ecosystem adoption (downloads)

81Excellent
How it's scored
64.9/80Monthly downloads — 74,048 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesjmuxer
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads74,048
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?

61Moderate · 23% of overall

Maintainer resilience (bus factor)

37Weak
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
8.5/22.5Commit distribution — top contributor authored 62% of commits
13.5/13.5Contributor breadth — 13 contributors
6/10OpenSSF Scorecard: Contributors — project has 2 contributing companies or organizations -- score normalized to 6
Inputs used
bus_factor1
contributors_sampled13
top_contributor_share0.622

Issue & PR responsiveness

70Good
How it's scored
41/42Issue resolution — 98% of issues closed
19.8/30PR acceptance — 41/62 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — Found 0/9 approved changesets -- score normalized to 0
Inputs used
merged_prs41
open_issues3
closed_issues121
prs_merged_7d—
prs_decided_7d—
prs_merged_30d—
prs_decided_30d—
issue_closed_ratio0.976
closed_unmerged_prs21
first_time_authors_30d—
first_time_prs_merged_30d—
first_time_prs_decided_30d—
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.

Ownership & stewardship

50Moderate
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain — verified-domain status not read for this organization
3.4/25Owner reach — 2 followers of webstream-labs
6.3/25Track record — 4 public repos, account ~0 yr old
Inputs used
followers2
owner_typeOrganization
is_verified—
owner_loginwebstream-labs
public_repos4
account_age_days229
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on npm
35/35Publish recency — latest publish 2 days ago
20/20Version history — 15 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesjmuxer
ecosystemsnpm
any_deprecatedno
min_days_since_publish2

Engineering Quality

Are baseline engineering and documentation practices in place?

44Weak · 19% of overall

Engineering practices

16Critical
How it's scored
0/24CI workflows
0/24Tests present
16/16Linter config — eslint.config.mjs
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — 0 out of 11 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_cino
has_testsno
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

85Excellent
How it's scored
30/30README
25/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
10/10Topics — 20 topics
10/10Wiki
Inputs used
topicsh264, raw-h264-player, aac, jmuxer, mse, mp4, mp4-muxer, media-source-extension, rtsp, hls, h264-player, aac-player, chunk, javascript-mp4-player, html5-mp4-player, video-streaming, javascript-mp4-muxer, drone, cctv-player, h264-live-player
has_wikiyes
homepage—
docs_site—
has_readmeyes
has_docs_diryes
has_descriptionyes

Security

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

53Moderate · 16% of overall

Security posture

53Moderate
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — no data
0/2.5CI-Tests — 0 out of 11 merged PRs checked by a CI test -- score normalized to 0
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0/7.5Code-Review — Found 0/9 approved changesets -- score normalized to 0
1.5/2.5Contributors — project has 2 contributing companies or organizations -- score normalized to 6
0/10Dangerous-Workflow — no data
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.2/2.5License — license file detected
6.8/7.5Maintained — 10 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 9
0/5Packaging — no data
0/5Pinned-Dependencies — no data
0/5SAST — SAST tool is not run on all commits -- score normalized to 0
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — no data
7.5/7.5Vulnerabilities — 0 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated12
scorecard_versionv5.5.0
checks_inconclusive6
scorecard_aggregate5.3
Excluded from scoring (no data or not applicable): Branch-Protection, Dangerous-Workflow, Packaging, Pinned-Dependencies, Signed-Releases, Token-Permissions. Remaining weights renormalized.

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.

35Weak · 4% of overall

Agent context & guidance

1Critical
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
0/40Legible commit history — no data
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share—
agent_instruction_files—
agent_instruction_max_bytes—
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.

Verify loop (build / test / typecheck)

29At Risk
How it's scored
0/18One-command bootstrap
0/22Automated tests
11/11Lint / format config — eslint.config.mjs
0/11Static type checking
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no data
0/8Automated maintenance — no data
0/10OpenSSF Scorecard: Pinned-Dependencies — no data
Inputs used
has_nixno
has_testsno
lockfilespackage-lock.json
has_dockerfileno
typed_languageno
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configs—
agent_commit_share—
toolchain_manifests—
dependency_bot_commit_share—
Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance, OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.

Code legibility for models

55Moderate
How it's scored
0/45Type-checkable code — JavaScript without a type-check config
55/55Manageable file sizes — 0/21 source files over 60KB
Inputs used
primary_languageJavaScript
largest_source_bytes47,749
source_files_sampled21
oversized_source_files0

Machine-readable interfaces

100Exceptional
How it's scored
0/40API schema (OpenAPI/GraphQL/proto) — not applicable to this kind of software
0/20MCP server — not applicable to this kind of software
40/40Runnable examples — example
Inputs used
example_dirsexample
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

635GitHub stars
13contributors
71commits, last 12 months
2days since last push
13releases
1bus factor
3open issues
npmpackage ecosystems

More detail

OpenSSF Scorecard 5.3 / 10
5.3aggregate

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 · 2026-07-17 13:49 UTC

10Binary-Artifactsno binaries found in the repo
n/aBranch-Protectioninternal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md
0CI-Tests0 out of 11 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 0/9 approved changesets -- score normalized to 0
6Contributorsproject has 2 contributing companies or organizations -- score normalized to 6
n/aDangerous-Workflowno workflows found
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
9Licenselicense file detected
9Maintained10 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 9
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
10Vulnerabilities0 existing vulnerabilities detected
All dependencies 350

Full resolved dependency set from the GitHub dependency graph: 0 direct and 350 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
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npmglobals17.4.0indirect
npmgopd1.2.0indirect
npmhas-flag3.0.0indirect
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npmhttp-errors2.0.1indirect
npmiconv-lite0.7.2indirect
npmieee7541.2.1indirect
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npmis-number7.0.0indirect
npmis-promise4.0.0indirect
npmisarray1.0.0indirect
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npmjs-tokens4.0.0indirect
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npmjson-schema-traverse0.4.1indirect
npmjson-stable-stringify-without-jsonify1.0.1indirect
npmjson52.2.3indirect
npmkeyv4.5.4indirect
npmlevn0.4.1indirect
npmlocate-path6.0.0indirect
npmlodash.debounce4.0.8indirect
npmlru-cache5.1.1indirect
npmmagic-string0.30.21indirect
npmmath-intrinsics1.1.0indirect
npmmedia-typer1.1.0indirect
npmmerge-descriptors2.0.0indirect
npmmime-db1.54.0indirect
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npmminimatch10.2.4indirect
npmms2.1.3indirect
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npmnegotiator1.0.0indirect
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npmnodemon3.1.14indirect
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npmobject-inspect1.13.4indirect
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npmoptionator0.9.4indirect
npmp-limit3.1.0indirect
npmp-locate5.0.0indirect
npmparseurl1.3.3indirect
npmpath-exists4.0.0indirect
npmpath-key3.1.1indirect
npmpath-parse1.0.7indirect
npmpath-to-regexp8.4.2indirect
npmpicocolors1.1.1indirect
npmpicomatch2.3.2indirect
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npmproxy-addr2.0.7indirect
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