square/exoskeleton holds a health index of 56 out of 100, placing it in the Moderate band. It scores highest on Vitality (75/100) and lowest on Community & Adoption (31/100). It was last updated 1 day ago. A single contributor accounts for most of its recent work.
56
overall / 100
Moderate
Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
56
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe 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.
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
0
affected_packages
0
assessed_packages
12
unassessed_packages
0
affected_by_severity
none
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 12 resolved dependencies against OSV. 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? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.
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 1Minor 12Patch 12
Each point covers 3 days.
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 · 2026-07-22 03:18 UTC
Full resolved dependency set from the GitHub dependency graph: 5 direct and 7 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
Registry
Package
Version
Relation
Go
github.com/block/opencli-go
v0.0.0-20260326022943-55adcb6353a0
direct
Go
github.com/spf13/cobra
v1.7.0
direct
Go
github.com/square/exit
v1.1.0
direct
Go
github.com/stretchr/testify
v1.8.1
direct
Go
golang.org/x/sync
v0.19.0
direct
Go
github.com/davecgh/go-spew
v1.1.1
indirect
Go
github.com/inconshreveable/mousetrap
v1.1.0
indirect
Go
github.com/pkg/errors
0.9.1
indirect
Go
github.com/pmezard/go-difflib
v1.0.0
indirect
Go
github.com/spf13/pflag
v1.0.5
indirect
Go
github.com/square/exoskeleton
0.0.15
indirect
Go
gopkg.in/yaml.v3
v3.0.1
indirect
Dependency advisories 0
This repository publishes no package the index resolves, so its own dependency graph was assessed — 12 packages, which also include development and test pins that never ship: 0 carry known advisories, of which 0 are direct.
No known advisories affect the assessed dependencies.
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
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"is_bot": false,
"headline": "chore: Add a workflow that maintains a CHANGELOG.md (#40)",
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"headline": "feat: Allow registering a callback to be invoked whenever a command i…",
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"headline": "chore: Remove `summaryCache` (defer that to clients) (#29)",
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{
"oid": "023dd9d3141227b3ea127ec6f52731d316b1dcdb",
"body": "…ir own (#27)\n\n* refactor: Return errors from `buildMenu` instead of handling them there\r\n\r\n* refactor: Pass `HeadingFor` and `SummaryFor` to `buildMenu` instead of the whole entrypoint\r\n\r\n* refactor: Pass `Depth` to `buildMenu` instead of expanding commands outside and passing it in\r\n\r\n* feat: Allow clients to supply their own template for rendering menus for modules\r\n\r\n* feat: Make `MenuFor` public",
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"body": "…llow an identifiable command (#26)\n\n* refactor: Test the behavior of `normalizeArgs` through `Identify`\r\n\r\n* refactor: Use the predicate `IsNull` in `Identify`\r\n\r\n* fix: Do not normalize `--help` or `-h` when they don't immediately follow an identifiable command\r\n\r\nIf the `go` CLI were an exoskelet\n[…]\n commit, `go` would simply not rewrite `go mod tidy --help` and `go` would _execute_ `mod` with the args `{tidy, --help}`.\r\n\r\n* chore: Clean up the no-longer-necessary `helpWithArgsProvider` code path",
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"headline": "fix: Do not normalize `--help` or `-h` when they don't immediately fo…",
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"headline": "docs: Fix typo in command on `Identify`",
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"body": "…ations of `help`, `complete`, and `which` (#25)\n\n* refactor: Export `HelpExec`, `CompleteExec`, and `WhichExec`, the implementations of `help`, `complete`, and `which`\r\n\r\n* refactor!: Remove the `WithHelpText` option\r\n\r\nBecause clients can now easily redefine these commands with `PrependCommands`",
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"body": "… return CommandErrors (#19)\n\n* chore: Scraping help text from a modulefile is not supported. This should be unreachable. Panic instead.\r\n\r\n* refactor: Move construction of `CommandError` to `contract.go`\r\n\r\n* fix!: Return an error from `Subcommands()`\r\n\r\n* fix!: Allow `Identify` to return a `CommandError`\r\n\r\n* doc: Document the methods that may return a CommandError\r\n\r\n* fixup! fix!: Return an error from `Subcommands()`",
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"headline": "fix: Categorize bad responses from `--describe-commands` as failures …",
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"headline": "refactor: Move code from `executable_command.go` and `directory_modul…",
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{
"oid": "0ab680cf1adfec713448e2e803fe7c31f804a7cc",
"body": "…with `--help` (#13)\n\n* refactor: Extract `buildModuleHelp` from `printModuleHelp`\r\n\r\n* refactor: Extract `helpFor` from `helpExec`\r\n\r\n* fix: Handle trailing line breaks consistently whether getting help from magic comments or execution\r\n\r\n* refactor: Pass an `*exec.Cmd` in to `getMessageFromExecuti\n[…]\ntectType`\r\n\r\n* feat: Allow passing arbitrary arguments through to executables along with `--help`\r\n\r\nThis allows an exoskeleton to wrap a command that has its own subcommands which respond to `--help`",
"is_bot": false,
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{
"oid": "cc1b1f25a83e1f47be98d096b08bb1ca35656c45",
"body": "…a subtree of commands (#12)\n\nCo-authored-by: Chris Heisterkamp <cheister@squareup.com>",
"is_bot": false,
"headline": "feat: Define a contract that allows a single executable to represent …",
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"headline": "refactor: Extract `buildCommand` from `discoverIn` and test it",
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{
"oid": "ac43282d4d5df44d6ec10272179a87caa3b5283b",
"body": "to give it a clearer name",
"is_bot": false,
"headline": "refactor: Rename `p` to `path`",
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"committed_at": "2024-04-25T15:05:20Z",
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{
"oid": "19cb0a06cb65708df0dce9306a9858931a0aa665",
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"is_bot": false,
"headline": "refactor: Replace `path.Join` with `filepath.Join`",
"author_name": "Bob",
"author_login": "boblail",
"committed_at": "2024-04-25T15:04:37Z",
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{
"oid": "ef269f3cef8af88c568a0b36af83f39577b8480a",
"body": "…a reference\n\nbecause we pass `directoryModule` by reference and will have only on instance of it",
"is_bot": false,
"headline": "refactor: Embed `discoverer` into `directoryModule` instead of using …",
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{
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"body": "…cution`\n\nCo-authored-by: Chris Heisterkamp <cheister@squareup.com>",
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"headline": "refactor: Make `executableCommand` the receiver of `getMessageFromExe…",
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"headline": "refactor: Move the `summaryCache` out of `menu.go`",
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{
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{
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{
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{
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],
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{
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},
{
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}
],
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{
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{
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"status": "missed",
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{
"key": "fuzzing",
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{
"key": "license",
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{
"key": "maintained",
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{
"key": "packaging",
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{
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{
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"code": "no_data",
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],
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{
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]
},
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{
"code": "advisories_reachability",
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"components": [
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}
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"max_points": 35
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{
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{
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]
},
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"notes": [],
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],
"max_points": 100
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]
},
{
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"notes": [
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"code": "jurisdiction_evidence_limits",
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}
],
"value": 100,
"inputs": {
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"components": [
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}
],
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]
}
],
"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
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"name": "AI Readiness",
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"metrics": [
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"key": "ai_agent_context",
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"components": [
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],
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{
"key": "machine_readable_docs_llms_txt",
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"code": "legible_history",
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]
},
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"description": "How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score."
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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 v1.13.0, schema v0.26.0 — full methodology · metrics wiki.
