# Database & Backend

30 component and library sources. Source inclusion does not establish runtime qualification or npm publication.

## [Action Cache](https://bijection.com/components/action-cache)

Expensive computation caching

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/action-cache/tree/9eeb5ad93e1d86f60abc00ef8fda23a67bc370d2
- Markdown: https://bijection.com/components/action-cache/action-cache.md
- Agent skill: https://bijection.com/components/action-cache/SKILL.md

## [Aggregate](https://bijection.com/components/aggregate)

Counts, sums, ranks and ordered aggregates

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/aggregate/tree/e9bdba0ff9fe7e72859f47ebd06b02b25b0d30d2
- Markdown: https://bijection.com/components/aggregate/aggregate.md
- Agent skill: https://bijection.com/components/aggregate/SKILL.md

## [Analytics Vllnt](https://bijection.com/components/analytics-vllnt)

Generic, configurable analytics component for Bijection — any event, any dimension, any domain; rollup-on-write with funnels, retention, uniques

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/analytics-vllnt/tree/d545d7c7238f2318b5d163cea8709645b90a6ef1/packages/convex-analytics
- Markdown: https://bijection.com/components/analytics-vllnt/analytics-vllnt.md
- Agent skill: https://bijection.com/components/analytics-vllnt/SKILL.md

## [Audit Log](https://bijection.com/components/audit-log)

Application activity records

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/audit-log/tree/b067f6d062cfa6831c0b7ae7ae1dbdf11e6746d7
- Markdown: https://bijection.com/components/audit-log/audit-log.md
- Agent skill: https://bijection.com/components/audit-log/SKILL.md

## [Booking](https://bijection.com/components/booking)

A booking component for Bijection.

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/booking/tree/238dc6eee0e202e9bb1a20800cac2f49bd1ed727
- Markdown: https://bijection.com/components/booking/booking.md
- Agent skill: https://bijection.com/components/booking/SKILL.md

## [Buckets](https://bijection.com/components/buckets)

Ephemeral groups of opaque subject refs — matches, lobbies, cohorts — as a Bijection component

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/buckets/tree/1e470e464960fb77ff3ebf5f9f79970f2a82452e
- Markdown: https://bijection.com/components/buckets/buckets.md
- Agent skill: https://bijection.com/components/buckets/SKILL.md

## [Cascading Delete](https://bijection.com/components/cascading-delete)

A Bijection component for managing cascading deletes across related documents with atomic and batched deletion modes.

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/cascading-delete/tree/68b7f60fd6bc1b333d1a71f4093e2153e40992ee
- Markdown: https://bijection.com/components/cascading-delete/cascading-delete.md
- Agent skill: https://bijection.com/components/cascading-delete/SKILL.md

## [Cascading Deletes](https://bijection.com/components/cascading-deletes)

Relationship-based cleanup

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/cascading-deletes/tree/acb1222095c6f18a7f6e0e949894cbf4717970c9
- Markdown: https://bijection.com/components/cascading-deletes/cascading-deletes.md
- Agent skill: https://bijection.com/components/cascading-deletes/SKILL.md

## [Conflict Free Counter](https://bijection.com/components/conflict-free-counter)

An eventually-consistent, contention-free counter component for Bijection.

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/conflict-free-counter/tree/f95146c796529812ee01dbf2ad763230c4723cb9
- Markdown: https://bijection.com/components/conflict-free-counter/conflict-free-counter.md
- Agent skill: https://bijection.com/components/conflict-free-counter/SKILL.md

## [Consent](https://bijection.com/components/consent)

Append-only consent ledger (GDPR Art. 6/7) — record, withdraw, and gate consent per subject + purpose as a Bijection component

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/consent/tree/3ec34d269c378bf4106a91e133917a94df23eb52
- Markdown: https://bijection.com/components/consent/consent.md
- Agent skill: https://bijection.com/components/consent/SKILL.md

## [Convex Checkpoints](https://bijection.com/components/abdssamie-convex-checkpoints)

Define user checkpoints and trigger actions when activity thresholds are met

- Status: Upstream
- Category: Database & Backend
- Source: https://github.com/Abdssamie/convex-checkpoints
- Markdown: https://bijection.com/components/abdssamie-convex-checkpoints/abdssamie-convex-checkpoints.md
- Agent skill: https://bijection.com/components/abdssamie-convex-checkpoints/SKILL.md

## [convex-mq](https://bijection.com/components/convex-mq)

A typed message queue component for Convex with reactive consumers, visibility timeouts, and automatic retries.

- Status: Upstream
- Category: Database & Backend
- Source: https://github.com/gergesh/convex-mq
- Markdown: https://bijection.com/components/convex-mq/convex-mq.md
- Agent skill: https://bijection.com/components/convex-mq/SKILL.md

## [Events](https://bijection.com/components/events)

Append-only per-subject activity feed and event ledger, as a Bijection component

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/events/tree/ba5d07de213b41de96b67f0d3e3d562f265b7f30
- Markdown: https://bijection.com/components/events/events.md
- Agent skill: https://bijection.com/components/events/SKILL.md

## [Experiments](https://bijection.com/components/experiments)

Deterministic A/B experimentation — sticky variant assignment and deduped exposure tracking, as a Bijection component

- Status: Included
- Category: Database & Backend
- Source: https://github.com/bijectionhq/experiments/tree/f9e797855da70dbc3572377a23fe1ac794fb0a32
- Markdown: https://bijection.com/components/experiments/experiments.md
- Agent skill: https://bijection.com/components/experiments/SKILL.md

## [Feedback](https://bijection.com/components/feedback)

Type-safe Bijection component for feedback, feature requests, bug reports, voting, comments, and duplicate search.

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/feedback/tree/4adc005e305014bba8c0c7e5bb2a5d7ea5be25e0/packages/convex-feedback
- Markdown: https://bijection.com/components/feedback/feedback.md
- Agent skill: https://bijection.com/components/feedback/SKILL.md

## [Flags](https://bijection.com/components/flags)

Application feature flags

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/flags/tree/83c58d7a4ff3f5ce5f6af806141b19cc056eaf8d
- Markdown: https://bijection.com/components/flags/flags.md
- Agent skill: https://bijection.com/components/flags/SKILL.md

## [Geospatial](https://bijection.com/components/geospatial)

Geographic point indexing

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/geospatial/tree/1b43993f3ee9b848ffe0efbf9703a43797a149e8
- Markdown: https://bijection.com/components/geospatial/geospatial.md
- Agent skill: https://bijection.com/components/geospatial/SKILL.md

## [Key-Value Store](https://bijection.com/components/kv)

Hierarchical Key-Value store for Bijection

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/kv/tree/be9c95758a19f50f17a2bb6b6b4e151af0f32fb5
- Markdown: https://bijection.com/components/kv/kv.md
- Agent skill: https://bijection.com/components/kv/SKILL.md

## [Link Shortener](https://bijection.com/components/link-shortener)

A self-hosted link shortener Bijection component for custom domains. Create, update, and revoke short codes with built-in redirect handling, click analytics, UTM parameter tracking, a

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/link-shortener/tree/b34bc5ef61e8256cd27b818c197125a041753cd7
- Markdown: https://bijection.com/components/link-shortener/link-shortener.md
- Agent skill: https://bijection.com/components/link-shortener/SKILL.md

## [Migrations](https://bijection.com/components/migrations)

Resumable application data backfills

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/migrations/tree/32e093f9c874f1a3e727204ef482347c86948fe6
- Markdown: https://bijection.com/components/migrations/migrations.md
- Agent skill: https://bijection.com/components/migrations/SKILL.md

## [Progression](https://bijection.com/components/progression)

XP, levels, and streak windows as a Bijection component

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/progression/tree/3eaf964d67883935ad463f354a20a7b8ea5ab70f
- Markdown: https://bijection.com/components/progression/progression.md
- Agent skill: https://bijection.com/components/progression/SKILL.md

## [Quota](https://bijection.com/components/quota)

Scheduled-reset per-subject allowances as a Bijection component — calendar, rolling, or epoch windows with readable remaining

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/quota/tree/e15196de18be568ddc4768e831268fc632aa647b
- Markdown: https://bijection.com/components/quota/quota.md
- Agent skill: https://bijection.com/components/quota/SKILL.md

## [Rate Limiter](https://bijection.com/components/rate-limiter)

Transactional application rate limits

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/rate-limiter/tree/21107e0c5806ac7738b6963c3385da0293e705fd
- Markdown: https://bijection.com/components/rate-limiter/rate-limiter.md
- Agent skill: https://bijection.com/components/rate-limiter/SKILL.md

## [Sharded Counter](https://bijection.com/components/sharded-counter)

High-throughput counters

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/sharded-counter/tree/1f7533d42600fecdf559f3e1263479bbf8ee19c6
- Markdown: https://bijection.com/components/sharded-counter/sharded-counter.md
- Agent skill: https://bijection.com/components/sharded-counter/SKILL.md

## [Slugs](https://bijection.com/components/slugs)

Unique slug and handle registry with rename redirects, as a Bijection component

- Status: Preview
- Category: Database & Backend
- Source: https://github.com/bijectionhq/slugs/tree/724a8414f44e9f661a7d7410471df85ba39eb507
- Markdown: https://bijection.com/components/slugs/slugs.md
- Agent skill: https://bijection.com/components/slugs/SKILL.md

## [smart-tags](https://bijection.com/components/convex-smart-tags)

A Convex component for smart tagging and categorization with hierarchy and analytics

- Status: Upstream
- Category: Database & Backend
- Source: https://github.com/itsminhz/convex-smart-tags
- Markdown: https://bijection.com/components/convex-smart-tags/convex-smart-tags.md
- Agent skill: https://bijection.com/components/convex-smart-tags/SKILL.md

## [Table History](https://bijection.com/components/table-history)

Application-maintained edit history

- Status: Reference
- Category: Database & Backend
- Source: https://github.com/bijectionhq/table-history/tree/5e7a19d6d99543e85c624680e22746899e449af4
- Markdown: https://bijection.com/components/table-history/table-history.md
- Agent skill: https://bijection.com/components/table-history/SKILL.md

## [Tracer](https://bijection.com/components/convex-tracer)

A Tracer component for Convex. Powerful Observability and tracing for Convex applications. Track function calls across queries, mutations, and actions with detailed insights, nested spans, and automa

- Status: Upstream
- Category: Database & Backend
- Source: https://github.com/Moumen-io/convex-tracer
- Markdown: https://bijection.com/components/convex-tracer/convex-tracer.md
- Agent skill: https://bijection.com/components/convex-tracer/SKILL.md

## [Tripwire](https://bijection.com/components/convex-tripwire)

Reads your Convex logs and tells you what needs you: wasted reads, real failures, abuse and Database I/O pace. Rules, arithmetic, one model call per window.

- Status: Upstream
- Category: Database & Backend
- Source: https://gitlab.com/ndivij2004/convex-tripwire
- Markdown: https://bijection.com/components/convex-tripwire/convex-tripwire.md
- Agent skill: https://bijection.com/components/convex-tripwire/SKILL.md

## [WhatsApp Cloud API](https://bijection.com/components/convex-whatsapp)

Drop-in Convex component for the WhatsApp Cloud API — send & receive messages, track delivery, and manage conversations reactively

- Status: Upstream
- Category: Database & Backend
- Source: https://github.com/david-potgieter/convex-whatsapp
- Markdown: https://bijection.com/components/convex-whatsapp/convex-whatsapp.md
- Agent skill: https://bijection.com/components/convex-whatsapp/SKILL.md
