Go (golang) library for deep copying values in Go.
GoMIT★ 355 stars⑂ 33 forkssince Jun 2014archivedView on GitHub ↗
mitchellh/copystructure holds a health index of 18 out of 100, placing it in the Critical band. It scores highest on Sustainability & Governance (63/100) and lowest on Vitality (18/100). The repository is archived, so no further maintenance is expected.
18
overall / 100
Critical
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.
18
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.
Abandonment Policy applies a 40% multiplier to weighted overall health and gives it a ceiling of 29.
archived on GitHub by its maintainersOverall rating: Critical ceiling
Silence alone is never the finding — a small, finished library may need no commits for years. This alert requires both: no human commit for a long time, and obligations the project is visibly not discharging. Automated commits do not count as maintenance.
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.
Manageable file sizes — 0/5 source files over 60KB
Inputs used
primary_language
Go
largest_source_bytes
19,662
source_files_sampled
5
oversized_source_files
0
Key facts
355GitHub stars
7contributors
0commits, last 12 months
1,909days since last push
1releases
1bus factor
2open issues
Gopackage ecosystems
Data collection warnings
Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 33 ⇿
0Stars
33Forks
1Releases
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 0Minor 1Patch 0
Each point covers 11 days.
OpenSSF Scorecard 3.6 / 10
3.6aggregate
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 · 2026-07-28 13:15 UTC
Full resolved dependency set from the GitHub dependency graph: 0 direct and 0 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
Registry
Package
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Relation
Dependency advisories not assessed
Advisory matching could not run for this report: No resolved dependencies to assess
Raw JSON report machine-readable
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"body": "PointerEnter and Exit may be called multiple times per depth as we\ndereference chains of pointers.. Instead of a stack of pointer bools,\nuse counters indicating the number of levels of pointers we've received\nat a particular depth.",
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"body": "This is basically identical to text/template.Must and copies that\npattern introduced by the Go standard library. While using the library\nI've found that in many cases if the copy fails it is very much\ncompletely a bug in the program and I'd like to panic.",
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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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"detail": "1 workflow(s)",
"points": 24,
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"details": [
{
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}
],
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},
{
"key": "tests_present",
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},
{
"key": "linter_config",
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},
{
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},
{
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"details": [],
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},
{
"key": "openssf_scorecard_ci_tests",
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]
},
{
"key": "documentation",
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},
"components": [
{
"key": "readme",
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"points": 30,
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},
{
"key": "documentation_directory",
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"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "documentation_homepage_site",
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"points": 15,
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{
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},
{
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{
"key": "wiki",
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}
],
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},
{
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"notes": [
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"code": "excluded_no_data",
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"scorecard_version": "v5.5.0",
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"components": [
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{
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{
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{
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{
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},
{
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},
{
"key": "dependency_update_tool",
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},
{
"key": "fuzzing",
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"points": 0,
"status": "missed",
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},
{
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},
{
"key": "maintained",
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},
{
"key": "packaging",
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"status": "excluded",
"details": [
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"params": {}
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"max_points": 5
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{
"key": "pinned_dependencies",
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"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "sast",
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"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
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"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "signed_releases",
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"code": "no_data",
"params": {}
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],
"max_points": 7.5
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{
"key": "token_permissions",
"name": "Token-Permissions",
"detail": "detected GitHub workflow tokens with excessive permissions",
"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "vulnerabilities",
"name": "Vulnerabilities",
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"status": "met",
"details": [],
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}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "excellent",
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"note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
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"Iran",
"North Korea"
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"components": [
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"key": "policy_exposure_multiplier",
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"detail": "no confirmed policy-scope location match",
"points": 100,
"status": "met",
"details": [
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"code": "jurisdiction_no_match",
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}
],
"max_points": 100
}
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],
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},
{
"key": "ai_readiness",
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"name": "AI Readiness",
"value": 52,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "critical",
"name": "Agent context & guidance",
"note": null,
"notes": [],
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"components": [
{
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"points": 0,
"status": "missed",
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}
],
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{
"key": "machine_readable_docs_llms_txt",
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},
{
"key": "legible_commit_history",
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"points": 23.2,
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"details": [
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"code": "legible_history",
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},
{
"key": "ai_verify_loop",
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{
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{
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{
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{
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{
"key": "demonstrated_agent_practice",
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],
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],
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},
"warnings": [
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],
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}
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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 v0.27.0 — full methodology · metrics wiki.
