particle-iot/device-os holds a health index of 87 out of 100, placing it in the Excellent band. It scores highest on Vitality (90/100) and lowest on Security (49/100). It was last updated today. 3 contributors account for most of its recent work.
87
overall / 100
Excellent
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.
87
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)
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 73 is calibrated to 87 on the published index scale (record calibration 2026-08-02).
Direct dependencies free of known advisories — no direct dependency carries a known advisory
0/25
Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40
No advisories left outstanding — no advisory carries a publication date
Inputs used
source
osv
advisories
103
affected_packages
41
assessed_packages
617
unassessed_packages
15
affected_by_severity
critical 3, high 25, moderate 12, low 1
direct_affected_packages
0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 617 resolved dependencies against OSV. 15 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.
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.
Excluded from scoring (no data or not applicable): MCP server. Remaining weights renormalized.
Key facts
1,076GitHub stars
74contributors
495commits, last 12 months
0days since last push
100releases
3bus factor
0open issues
—package ecosystems
Data collection warnings
Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 526 ⇿
0Stars
526Forks
99Releases
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.
Major 5Minor 25Patch 28
Each point covers 12 days.
OpenSSF Scorecard 3.5 / 10
3.5aggregate
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 · 2026-09-14 04:54 UTC
Full resolved dependency set from the GitHub dependency graph: 0 direct and 632 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
Registry
Package
Version
Relation
npm
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indirect
npm
is-fullwidth-code-point
3.0.0
indirect
npm
is-glob
4.0.3
indirect
npm
is-natural-number
4.0.1
indirect
npm
is-number
7.0.0
indirect
npm
is-object
1.0.2
indirect
npm
is-path-cwd
2.2.0
indirect
npm
is-path-inside
3.0.3
indirect
npm
is-plain-obj
1.1.0
indirect
npm
is-plain-obj
2.1.0
indirect
npm
is-plain-object
5.0.0
indirect
npm
is-retry-allowed
1.2.0
indirect
npm
is-stream
1.1.0
indirect
npm
is-stream
2.0.1
indirect
npm
is-typed-array
1.1.15
indirect
npm
is-typedarray
1.0.0
indirect
npm
is-unicode-supported
0.1.0
indirect
npm
is-windows
1.0.2
indirect
npm
isarray
1.0.0
indirect
npm
isarray
2.0.5
indirect
npm
isexe
2.0.0
indirect
npm
istanbul-lib-coverage
3.2.2
indirect
npm
istanbul-lib-hook
3.0.0
indirect
npm
istanbul-lib-instrument
4.0.3
indirect
npm
istanbul-lib-processinfo
2.0.3
indirect
npm
istanbul-lib-report
3.0.1
indirect
npm
istanbul-lib-source-maps
4.0.1
indirect
npm
istanbul-reports
3.2.0
indirect
npm
isurl
1.0.0
indirect
npm
js-tokens
4.0.0
indirect
npm
js-yaml
3.14.1
indirect
npm
js-yaml
4.1.0
indirect
npm
jsbn
1.1.0
indirect
npm
jsdoc-type-pratt-parser
6.6.0
indirect
npm
jsesc
3.1.0
indirect
npm
json-buffer
3.0.0
indirect
npm
json-buffer
3.0.1
indirect
npm
json-schema-traverse
0.4.1
indirect
npm
json-stable-stringify-without-jsonify
1.0.1
indirect
npm
json5
2.2.3
indirect
npm
jsonc-parser
3.3.1
indirect
npm
keyv
3.0.0
indirect
npm
keyv
4.5.4
indirect
npm
lazystream
1.0.1
indirect
npm
levn
0.4.1
indirect
npm
listenercount
1.0.1
indirect
npm
locate-path
5.0.0
indirect
npm
locate-path
6.0.0
indirect
npm
lodash
4.17.21
indirect
npm
lodash
4.17.23
indirect
npm
lodash
^4.17.21
indirect
npm
lodash
^4.17.4
indirect
npm
lodash.defaults
4.2.0
indirect
npm
lodash.difference
4.5.0
indirect
npm
lodash.flatten
4.4.0
indirect
npm
lodash.flattendeep
4.4.0
indirect
npm
lodash.isplainobject
4.0.6
indirect
npm
lodash.merge
4.6.2
indirect
npm
lodash.union
4.6.0
indirect
npm
log-symbols
4.1.0
indirect
npm
long
4.0.0
indirect
npm
loupe
2.3.7
indirect
npm
lowercase-keys
1.0.0
indirect
npm
lowercase-keys
1.0.1
indirect
npm
lru-cache
5.1.1
indirect
npm
make-dir
1.3.0
indirect
npm
make-dir
2.1.0
indirect
npm
make-dir
3.1.0
indirect
npm
make-dir
4.0.0
indirect
npm
math-intrinsics
1.1.0
indirect
npm
merge2
1.4.1
indirect
npm
micromatch
4.0.5
indirect
npm
micromatch
4.0.8
indirect
npm
mime-db
1.52.0
indirect
npm
mime-db
1.54.0
indirect
npm
mime-types
2.1.35
indirect
npm
mimic-response
1.0.1
indirect
npm
minimatch
3.1.2
indirect
npm
minimatch
4.2.1
indirect
npm
minimatch
5.1.6
indirect
npm
minimatch
9.0.5
indirect
npm
minimist
1.2.8
indirect
npm
minimist
^1.2.8
indirect
npm
mkdirp
0.5.6
indirect
npm
mkdirp
1.0.4
indirect
npm
mocha
9.2.2
indirect
npm
mocha
^3.5.0
indirect
npm
ms
2.1.2
indirect
npm
ms
2.1.3
indirect
npm
nanoid
3.3.1
indirect
npm
natural-compare
1.4.0
indirect
npm
net
1.0.2
indirect
npm
node-addon-api
4.3.0
indirect
npm
node-addon-api
8.5.0
indirect
npm
node-addon-api
8.7.0
indirect
npm
node-fetch
2.7.0
indirect
npm
node-gyp-build
4.8.4
indirect
npm
node-preload
0.2.1
indirect
npm
node-releases
2.0.23
indirect
npm
normalize-path
3.0.0
indirect
npm
normalize-url
2.0.1
indirect
npm
nyc
15.1.0
indirect
npm
object-assign
4.1.1
indirect
npm
object-deep-merge
1.0.5
indirect
npm
object-inspect
1.13.1
indirect
npm
object-inspect
1.13.4
indirect
npm
once
1.4.0
indirect
npm
optionator
0.9.4
indirect
npm
p-cancelable
0.4.1
indirect
npm
p-event
2.3.1
indirect
npm
p-finally
1.0.0
indirect
npm
p-is-promise
1.1.0
indirect
npm
p-limit
2.3.0
indirect
npm
p-limit
3.1.0
indirect
npm
p-locate
4.1.0
indirect
npm
p-locate
5.0.0
indirect
npm
p-map
3.0.0
indirect
npm
p-map
4.0.0
indirect
npm
p-timeout
2.0.1
indirect
npm
p-try
2.2.0
indirect
npm
package-hash
4.0.0
indirect
npm
parent-module
1.0.1
indirect
npm
parse-imports-exports
0.2.4
indirect
npm
parse-statements
1.0.11
indirect
npm
particle-api-js
11.1.4
indirect
npm
particle-api-js
11.1.7
indirect
npm
particle-usb
4.0.2
indirect
npm
particle-usb
4.2.0
indirect
npm
particle-usb
^2.4.1
indirect
npm
path-exists
4.0.0
indirect
npm
path-is-absolute
1.0.1
indirect
npm
path-key
3.1.1
indirect
npm
path-type
4.0.0
indirect
npm
pathval
1.1.1
indirect
npm
pend
1.2.0
indirect
npm
picocolors
1.1.1
indirect
npm
picomatch
2.3.1
indirect
npm
pify
2.3.0
indirect
npm
pify
3.0.0
indirect
npm
pify
4.0.1
indirect
npm
pinkie
2.0.4
indirect
npm
pinkie-promise
2.0.1
indirect
npm
pkg-dir
4.2.0
indirect
npm
possible-typed-array-names
1.1.0
indirect
npm
prelude-ls
1.2.1
indirect
npm
prepend-http
2.0.0
indirect
npm
process-nextick-args
2.0.1
indirect
npm
process-on-spawn
1.1.0
indirect
npm
protobufjs
6.11.4
indirect
npm
pump
3.0.3
indirect
npm
punycode
2.3.1
indirect
npm
qs
6.11.2
indirect
npm
qs
6.14.0
indirect
npm
query-string
5.1.1
indirect
npm
queue-microtask
1.2.3
indirect
npm
randombytes
2.1.0
indirect
npm
randomstring
^1.1.5
indirect
npm
readable-stream
2.3.8
indirect
npm
readable-stream
3.6.2
indirect
npm
readdir-enhanced
1.5.2
indirect
npm
readdir-glob
1.1.3
indirect
npm
readdirp
3.6.0
indirect
npm
release-zalgo
1.0.0
indirect
npm
require-directory
2.1.1
indirect
npm
require-main-filename
2.0.0
indirect
npm
resolve-from
4.0.0
indirect
npm
resolve-from
5.0.0
indirect
npm
responselike
1.0.2
indirect
npm
reusify
1.0.4
indirect
npm
reusify
1.1.0
indirect
npm
rimraf
2.7.1
indirect
npm
rimraf
3.0.2
indirect
npm
run-parallel
1.2.0
indirect
npm
safe-buffer
5.1.2
indirect
npm
safe-buffer
5.2.1
indirect
npm
seek-bzip
1.0.6
indirect
npm
semver
5.7.2
indirect
npm
semver
6.3.1
indirect
npm
semver
7.7.3
indirect
npm
semver
^5.4.1
indirect
npm
serialize-javascript
6.0.0
indirect
npm
serialport
10.4.0
indirect
npm
set-blocking
2.0.0
indirect
npm
set-function-length
1.1.1
indirect
npm
set-function-length
1.2.2
indirect
npm
setimmediate
1.0.5
indirect
npm
shebang-command
2.0.0
indirect
npm
shebang-regex
3.0.0
indirect
npm
side-channel
1.0.4
indirect
npm
side-channel
1.1.0
indirect
npm
side-channel-list
1.0.0
indirect
npm
side-channel-map
1.0.1
indirect
npm
side-channel-weakmap
1.0.2
indirect
npm
sift
17.1.3
indirect
npm
signal-exit
3.0.7
indirect
npm
slash
3.0.0
indirect
npm
sort-keys
1.1.2
indirect
npm
sort-keys
2.0.0
indirect
npm
sort-keys-length
1.0.1
indirect
npm
source-map
0.6.1
indirect
npm
spawn-wrap
2.0.0
indirect
npm
spdx-exceptions
2.5.0
indirect
npm
spdx-expression-parse
4.0.0
indirect
npm
spdx-license-ids
3.0.22
indirect
npm
sprintf-js
1.0.3
indirect
npm
sprintf-js
1.1.3
indirect
npm
stream
0.0.2
indirect
npm
stream-http
3.2.0
indirect
npm
strict-uri-encode
1.1.0
indirect
npm
string-width
4.2.3
indirect
npm
string_decoder
1.1.1
indirect
npm
string_decoder
1.3.0
indirect
npm
strip-ansi
6.0.1
indirect
npm
strip-bom
4.0.0
indirect
npm
strip-dirs
2.1.0
indirect
npm
strip-json-comments
3.1.1
indirect
npm
strip-outer
1.0.1
indirect
npm
supports-color
7.2.0
indirect
npm
supports-color
8.1.1
indirect
npm
tar-stream
1.6.2
indirect
npm
tar-stream
2.2.0
indirect
npm
telnet-client
1.4.11
indirect
npm
temp-dir
2.0.0
indirect
npm
tempy
1.0.1
indirect
npm
test-exclude
6.0.0
indirect
npm
through
2.3.8
indirect
npm
timed-out
4.0.1
indirect
npm
tmp
0.1.0
indirect
npm
tmp
0.2.1
indirect
npm
tmp
0.2.5
indirect
npm
tmp-promise
3.0.3
indirect
npm
to-buffer
1.2.2
indirect
npm
to-regex-range
5.0.1
indirect
npm
tr46
0.0.3
indirect
npm
traverse
0.3.9
indirect
npm
trim-repeated
1.0.0
indirect
npm
ts-api-utils
2.1.0
indirect
npm
type-check
0.4.0
indirect
npm
type-detect
4.0.8
indirect
npm
type-detect
4.1.0
indirect
npm
type-fest
0.16.0
indirect
npm
type-fest
0.8.1
indirect
npm
type-fest
4.2.0
indirect
npm
typed-array-buffer
1.0.3
indirect
npm
typedarray-to-buffer
3.1.5
indirect
npm
typescript
5.9.3
indirect
npm
typescript-eslint
8.46.1
indirect
npm
unbzip2-stream
1.4.3
indirect
npm
undici-types
7.14.0
indirect
npm
undici-types
7.16.0
indirect
npm
unique-string
2.0.0
indirect
npm
universal-user-agent
6.0.1
indirect
npm
unzipper
0.10.14
indirect
npm
update-browserslist-db
1.1.3
indirect
npm
uri-js
4.4.1
indirect
npm
url-parse-lax
3.0.0
indirect
npm
url-to-options
1.0.1
indirect
npm
usb
2.16.0
indirect
npm
usb
2.17.0
indirect
npm
usb
^1.2.0
indirect
npm
util-deprecate
1.0.2
indirect
npm
uuid
8.3.2
indirect
npm
verror
^1.10.0
indirect
npm
webidl-conversions
3.0.1
indirect
npm
whatwg-url
5.0.0
indirect
npm
which
2.0.2
indirect
npm
which-module
2.0.1
indirect
npm
which-typed-array
1.1.19
indirect
npm
word-wrap
1.2.5
indirect
npm
workerpool
6.2.0
indirect
npm
wrap-ansi
6.2.0
indirect
npm
wrap-ansi
7.0.0
indirect
npm
wrappy
1.0.2
indirect
npm
write-file-atomic
3.0.3
indirect
npm
xtend
4.0.2
indirect
npm
y18n
4.0.3
indirect
npm
y18n
5.0.8
indirect
npm
yallist
3.1.1
indirect
npm
yargs
15.4.1
indirect
npm
yargs
16.2.0
indirect
npm
yargs-parser
18.1.3
indirect
npm
yargs-parser
20.2.4
indirect
npm
yargs-unparser
2.0.0
indirect
npm
yauzl
2.10.0
indirect
npm
yocto-queue
0.1.0
indirect
npm
zip-stream
4.1.0
indirect
npm
zip-stream
4.1.1
indirect
Dependency advisories 41
This repository publishes no package the index resolves, so its own dependency graph was assessed — 617 packages, which also include development and test pins that never ship: 41 carry known advisories, of which 0 are direct. 15 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.
Package
Version
Relation
Severity
Advisories
Fixed in
decompress
4.2.1
indirect
critical
3
11.1.3
flatted
3.3.3
indirect
critical
2
3.4.2
protobufjs
6.11.4
indirect
critical
11
8.6.0
baseline-browser-mapping
2.8.16
indirect
high
1
2.11.0
brace-expansion
1.1.11
indirect
high
5
5.0.9
brace-expansion
1.1.12
indirect
high
4
5.0.9
brace-expansion
2.0.1
indirect
high
5
5.0.9
brace-expansion
2.0.2
indirect
high
4
5.0.9
braces
3.0.2
indirect
high
1
3.0.3
browserslist
4.26.3
indirect
high
2
4.28.7
decode-uri-component
0.2.2
indirect
high
1
0.5.0
form-data
4.0.4
indirect
high
1
4.0.6
http-cache-semantics
3.8.1
indirect
high
1
4.1.1
js-yaml
3.14.1
indirect
high
5
4.3.2
js-yaml
4.1.0
indirect
high
5
4.3.2
lodash
4.17.21
indirect
high
3
4.18.0
lodash
4.17.23
indirect
high
2
4.18.0
minimatch
3.1.2
indirect
high
3
10.2.3
minimatch
4.2.1
indirect
high
3
10.2.3
minimatch
5.1.6
indirect
high
3
10.2.3
minimatch
9.0.5
indirect
high
3
10.2.3
nanoid
3.3.1
indirect
high
4
5.1.16
picomatch
2.3.1
indirect
high
2
4.0.4
serialize-javascript
6.0.0
indirect
high
3
7.0.5
tmp
0.1.0
indirect
high
2
0.2.6
tmp
0.2.1
indirect
high
2
0.2.6
tmp
0.2.5
indirect
high
1
0.2.6
uuid
8.3.2
indirect
high
1
13.0.1
@humanfs/node
0.16.7
indirect
moderate
1
0.16.8
@octokit/plugin-paginate-rest
2.21.3
indirect
moderate
1
11.4.1
@octokit/request
5.6.3
indirect
moderate
1
9.2.1
@octokit/request-error
2.1.0
indirect
moderate
1
6.1.7
@protobufjs/utf8
1.1.0
indirect
moderate
1
8.0.2
ajv
6.12.6
indirect
moderate
1
8.18.0
diff
5.0.0
indirect
moderate
1
8.0.3
got
8.3.2
indirect
moderate
1
12.1.0
ip-address
9.0.5
indirect
moderate
2
10.3.1
micromatch
4.0.5
indirect
moderate
1
4.0.8
qs
6.11.2
indirect
moderate
4
6.16.0
qs
6.14.0
indirect
moderate
4
6.16.0
@babel/core
7.28.4
indirect
low
1
8.0.0-rc.6
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.
Related records
Inspected repositories sharing catalogue tags or ecosystems with particle-iot/device-os. Read them side by side →
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.
