A PostgreSQL based transactional outbox and inbox pattern implementation to support exactly once message processing (with at least once message delivery).

Typed transactional outbox helpers for Drizzle and PostgreSQL.

Transactional outbox and inbox reliability for Slingshot events

Crash-safe external effect execution for AI agents with a transactional outbox, queue integration, reconciliation, and compensation.

Transactional outbox + idempotent inbox for NestJS, persisted with Drizzle ORM (SQLite, Postgres + MySQL), with a Kafka transport

A transactional outbox with pluggable transport for Next.js. Durable, at-most-once, auditable transactional email.

Transactional outbox of Postgres for Node.js with little Event Sourcing

Sync core-llm-wiki SQLite outbox events to your Prisma-backed database using the transactional outbox pattern — at-least-once delivery with ordering guarantees.

NATS JetStream bus + transactional outbox/inbox + event envelope.

Fault-tolerant Postgres-native job/event pipeline: transactional outbox, idempotent consumers, retries with backoff+jitter, DLQ.

TypeORM persistence backend for @nestjs-transactional/outbox — event_publication table, FOR UPDATE SKIP LOCKED worker safety

Durable domain-event spine (transactional outbox + runtime-selected delivery) for NestJS + TypeORM.

Event externalization for @nestjs-transactional/outbox via @nestjs/microservices ClientProxy — Spring Modulith @Externalized parity

DB- and broker-agnostic core for the transactional outbox pattern

transactional outbox event processor with graceful shutdown and horizontal scalability

Postgres [`Backend`](../core) for [iterativeflow](https://github.com/ahmedrowaihi/iterativeflow) v2. The store, queue, and timer share one database, so a durable checkpoint commits as a single `BEGIN…COMMIT` transactional outbox. Dispatch uses `SELECT … F

A MongoDB backend for [iterativeflow](https://github.com/ahmedrowaihi/iterativeflow) — the four ports (Store / Queue / Timer / Wakeup) over one MongoClient. The transactional outbox commits across collections in a multi-document transaction, so the deploy

A MySQL backend for [iterativeflow](https://github.com/ahmedrowaihi/iterativeflow) — the four ports (Store / Queue / Timer / Wakeup) over one InnoDB database. State and dispatch share the database, so the transactional outbox commits in one `BEGIN…COMMIT`

A clean, dependency-injected Node.js implementation of the Transactional Outbox pattern

<p align="center"> <strong>Transactional outbox pattern for the messaging framework -- reliable event publishing with PostgreSQL, CloudEvents, and OpenTelemetry.</strong> </p>