db-core/custom-adapter

db-core/custom-adapter is a Frontend state & data fetching skill for AI agents, published by TanStack in the db repository on GitHub. Skillspace rates db-core/custom-adapter F (51/100) and it passed the safety scan; the rating is based on static analysis only.

Building custom collection adapters for new backends. SyncConfig interface: sync function receiving begin, write, commit, markReady, markError, truncate, metadata primitives and returning cleanup, loadSubset, and optional unloadSubset handlers. ChangeMessage format (insert, update, delete). On-demand LoadSubsetOptions (where, orderBy, limit, offset, cursor). Expression parsing: parseWhereExpression, parseOrderByExpression, extractSimpleComparisons, parseLoadSubsetOptions. Collection options creator pattern. rowUpdateMode (partial vs full). Subscription lifecycle and cleanup functions. Persisted sync metadata API (metadata.row and metadata.collection) for storing per-row and per-collection adapter state.

Grade
F
Quality
51 / 100
Safety
Passed
GitHub stars
3,906

Unproven: rated by static analysis only, not yet compared head-to-head.

Our two independent classifiers differ on this skill's category, so treat the placement as provisional.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

View source on GitHubTanStack/db

Our review

Architecture
77 / 100
Maturity
Basic: a single SKILL.md
Security scan
Low-risk patterns
License
Not declared. Check the repository before reusing it.

What the scanner flagged

  • mentions secrets in text

Not checked yet

  • Category is a classifier prediction; no model has read this skill yet
  • Not judged on the rubric yet (not a contender in its category)
  • No blind task eval yet
  • Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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