Skill
vercel-react-best-practices
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
○ declared by the publisher, as-isSafety
Safety · gatev1.0.0 · = 063bee9 · assessed 2w ago
B1 severity-bearing
Graded from 1 severity-bearing finding on this release.
A gate; it passes or fails, never weighed against price or quality.
Reliability & Quality
n/a
Reliability & Qualityv1.0.0 · = 063bee9 · assessed 2w ago
n/anot yet graded
Rows exist, but none carries a severity; no grade has been earned yet.
Findings with severity, graded on the same letter scale as safety.
Cost
n/a
Costv1.0.0 · = 063bee9 · assessed 2w ago
n/anot assessed
Not assessed; no producer has emitted into this category. An absence, not a zero.
Declared external service dependencies. Never a monetary figure.
not assessed
Popularity
2814
Popularity · not a figurev1.0.0 · = 063bee9 · assessed 2w ago
2814Forks
Read off the linked repository, not off this record. It carries no verdict and enters no grade.
Context read off the linked repository. It enters no ranking and no grade.
Performance tested for◌ not assessed
no controlled task evaluation on this release
Vettd Note
No Vettd note yet for this asset.
Best for
Not for
Re-assessed 2w ago · 6 of 7 categories assessed
Record lookup
◌ Vettd does not install assets; this record describes a copy you obtain yourself.
Custody chainSource ↗○ linked, not verified by Vettd
vercel ○vercel-labs/agent-skills ○v1.0.0 = 063bee9 ◐ sha256:343d…86b3 ◐ signature △ not assessedMIT ○record c0834ee6-b6a6-456c-bc62-517907f17b30 · live
Evidence · 6 of 7 categories · 24 signals
Safety● gradedBmost recent 2w ago5 signals
how it was established5 signals · vettd · scan
show
Skill name collides with well-known skillflagged"vercel-react-best-practices" matches a well-known skill name — may cause unintended invocationvettd · scan · 2wMedium
Secrets scan passednothing foundNo secrets or unsafe code patterns were detected.vettd · scan · 2wnothing found
behavioral scan passednothing foundNo prompt-injection or jailbreak signals were detected.vettd · scan · 2wnothing found
External URL scan passednothing foundNo external URLs were found in scanned skill text.vettd · scan · 2wnothing found
Name validation passednothing foundThe declared skill name follows the supported naming rules.vettd · scan · 2wnothing found
Reliability & Quality● gradednot yet gradedmost recent 2w ago6 signals
how it was established6 signals · vettd · scan
show
Checklist patternreadvettd · scan · 2wabsent
Description usage contextreadvettd · scan · 2wpresent
Examplesreadvettd · scan · 2wpresent
Gotchas sectionreadvettd · scan · 2wabsent
Step-by-step workflowreadvettd · scan · 2wpresent
Validation loopreadvettd · scan · 2wabsent
Performance● measured1 measuredmost recent 2w ago2 signals
how it was establishedtiktoken/cl100k_base/skill-md-body · 2 signals · vettd · scan
show
Progressive disclosurereadvettd · scan · 2wabsent
Static context tokensmeasuredvettd · scan · 2w1662
Cost◌ not assessednot assessed0 signals
how it was establishednot assessed; no producer has emitted into this category
Not assessed; no producer has emitted into cost for this asset. That is different from a check that ran and found nothing, which the record would carry as a row of its own.
Compatibility◌ unjudgednot judgedmost recent 2w ago2 signals
how it was established2 signals · vettd · scan
show
Declared environment assumptionsreadvettd · scan · 2w
Declared skill namereadvettd · scan · 2wvercel-react-best-practices
Popularity◇ context onlynot judgedmost recent 1w ago5 signals
how it was establishedgithub-repo-object · 5 signals · github-api · research
show
Forksmeasuredgithub-api · research · 1w2814
Days since last commitmeasuredgithub-api · research · 1w42 days
Open issuesmeasuredgithub-api · research · 1w178
Starsmeasuredgithub-api · research · 1w32121
Watchersmeasuredgithub-api · research · 1w129
Characteristics◇ context onlynot judgedmost recent 1w ago4 signals
how it was establishedbundle-extension-share · 4 signals · 2 sources · research/scan
show
Declared licensereadvettd · scan · 2wMIT
Primary bundle languageobservedvettd · scan · 2w · conf highMarkdown
Repository linkreadvettd · scan · 2wabsent
Archivedreadgithub-api · research · 1wfalse
Coverage6 of 7 categories assessed · shown
Safety
✓ assessed
Secrets scan passed · behavioral scan passed · External URL scan passed · Name validation passed
Reliability & Quality
✓ assessed
6 signals recorded
Performance
✓ assessed
2 signals recorded
Cost
△ not assessed
no producer has emitted for this category
Compatibility
✓ assessed
2 signals recorded
Popularity
✓ assessed
5 signals recorded
Characteristics
✓ assessed
4 signals recorded
Freshness & re-evaluation
assessed2w ago · Cisco AI Defense · Vettd core● current
source stateThe source matches what was scanned. No changes detected.Up to date
re-check policyre-checked against the upstream source on the scheduler's cadencenext check in 2h
re-run whena new release ships, the upstream source changes, or the scanner ruleset is revisedauto-scheduled
Limitations & open conflicts
limitationCost is not assessed: behaviour there is unmeasured, not clean△ gap
limitationReliability & Quality carries rows but no severity-bearing one: nothing has been graded there△ gap
conflictno two sources report the same quantity on this record
Verify: does this record describe your copy?
What record c0834ee6-b6a6-456c-bc62-517907f17b30 covers
scannerv11● current
validityassessed 2w ago · Up to date
this record was taken at digest sha256:343db72180d0… compare it against the digest your own scan prints
Reproduce: re-run the evidence yourself
runs the same scanners against your own copy; the published record is never overwritten
How this record comparesagainst other published records · full comparison →
Signal kinds
▲ finding: something to act on, carries a severity● measurement: a reproducible quantityƒ estimate: inferred from a sample▪ fact: read directly off the artifact◆ classification: assigned from a taxonomy◌ nothing found: a producer looked and emitted no object◇ context only: described, never graded
Custody marks◐ computed by vettd○ declared by the publisher, as-is△ not assessed: nothing looked