Schema

CAS

Cell Annotation Schema

A JSON Schema for recording cell type annotations of single-cell datasets, including evidence, marker genes and links to ontology terms.

cell typesannotationsingle-cell
E22

FAIR 13/48

Version v1.1.0

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagegithub.com

Automated evaluation

F Findable FAIR0/12
  • Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
  • Indexed in services (F4)not indexed anywhere0
  • Citable reference (F2)no reference publication listed0
A Accessible FAIR6/12
  • Homepage reachableHTTP 200+3
  • Artefact retrievable over HTTP(S) (A1)only the source repository is reachable (no direct download)+3
  • Metadata persists in a registry (A2)not in Bioregistry or OBO Foundry0
I Interoperable FAIR5/12
  • Formal machine-readable format (I1)JSON Schema+5
  • Semantic-web IRIs (I2)no RDF/OWL/JSON-LD representation0
  • References other vocabularies (I3)no imported vocabularies found0
R Reusable FAIR2/12
  • Clear license (R1.1)none found0
  • Release provenance (R1.2)v1.1.0 (latest GitHub release); not declared inside the artefact+2
  • Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
Q Ontology consistency & qualityn/a
  • Not applicableschema without an OWL/OBO/RDF artefact; total scaled from 80 to 1000
M Maintenance2/16
  • Recency2025-06-16 → 16.3 months (≤ 2 years)+2
  • Release cadence (12 months)0 releases (GitHub releases)0
U Community adoption3/16
  • Documented adopting projects1 project+2
  • Reused by other ontologies00
  • Community signalmax(stars 16 → 1, citations 0 → 0)+1
P Penalties (inactivity & inconsistency)-1
  • Time since last activity1.4 years → 4 × max(0, 1.4 − 1)-1
  • Inactive statusnot archived, legacy or inactive0

FAIR subtotal 13/48 · earned 18/80 → scaled 23 − 1 inactivity = 22/100 → grade E

Community adoption 1

  • BICAN

    Cell type taxonomy annotation

    Curated by SchemaScope

Know a project that uses CAS? Suggest it.

Tooling

History & changes 1 run

History starts with the first archived run; changes appear after the next evaluation.

RunScoreFAIRVersion evaluatedTermsSnapshot
26 Oct 2026, 03:31 UTC22 E13v1.1.0—JSON

Provenance

Every fact on this page was fetched automatically. Each row shows where it came from and when. If a source fails, the last good value is kept and marked “carried forward”.

FactSourceRetrieved
Homepage link check (HTTP 200)github.com26 Oct 2026, 02:41 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:41 UTC
Git refs (commit ffedb1b, latest tag v1.1.0)github.com26 Oct 2026, 02:41 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:41 UTC

Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot