Igor Savin

A batteries-included SQL query & schema builder for PostgresSQL, MySQL, CockroachDB, MSSQL and SQLite3

A simple CLI tool for ensuring that a given node script runs continuously (i.e. forever)

A cron-like and not-cron-like job scheduler for Node.

Core forever process monitor

In-memory Node.js and browser job scheduler

JWT utils for Fastify

Zod Type Provider for Fastify@5

A Solr client library for indexing, adding, deleting, committing, optimizing and searching documents within an Apache Solr installation (version>=3.2)

Dependency injection support for fastify framework

Data loader with support for caching and fallback data sources

Asynchronous local storage implementation based on Node.js ALS with fallback to cls-hooked for older Node.js versions

LRU and FIFO caches for Client or Server

Kafka adapter for message-queue-toolkit

Library for handling retry logic with undici HTTP client

Useful utilities for Knex.js

Originally designed as Swagger definition generator for Objection.js models. Since then scope was extended to also cover Swagger-compatible snippets generation from plain JSON Schema entries as well as set of conversions that are useful for model and sche

SNS/SQS/S3 emulator

A modern RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/normalizing/resolving/serializing library for JavaScript.

Wrapper that makes testing using Nock mock record/replay functionality easier. By default does not create mocks for local calls (localhost/127.0.0.1) when recording, allows and passes through local calls when replaying.

Validation utilities

Test framework for CLI utilities

Library for importing data from CSV files

query paramter constructor for objection-find

Express.js middleware to grant/block access to endpoints based on Swagger security entries

Execute chunked blocking operations in a way that won't cause event loop starvation

Wrapper for mocking external services with Nock.

Curated, versioned best-practice prompt fragments injected into agent system prompts.

Core types and utilities for defining modules using React Router. Provides `defineModule`, `createSharedHooks`, scoped stores, and all shared type definitions.

Opinionated wretch-based HTTP client driven by @toad-contracts standard-schema contracts

Opt-in AWS Bedrock model registry for the Agent Architecture Board's AI provisioning facade. Mix into a CompositeModelProvider to add the `bedrock` provider.

Opt-in OpenTelemetry (OTLP) trace + metrics publisher for the Agent Architecture Board. Streams LLM generations and container tool spans to any OTLP/HTTP backend — the workerd-safe fetch exporter on the Cloudflare Worker facade, the official @opentelemetr

Building blocks for writing your own HEADLESS acceptance suite against a live cat-factory deployment: the scenario driver, the resumable ledger and progress journal, a prerequisite gate whose refusals carry rendered remedies, waits that state their last o

Opt-in AWS EKS runner + environment backends for cat-factory. Reuses the native Kubernetes transport/provider behind a SigV4-presigned STS (IAM) apiserver token.

Drizzle schemas and repository implementations of the kernel storage ports: one SQLite dialect shared by better-sqlite3 and Cloudflare D1, and a Postgres dialect.

Node.js runtime facade: serves the shared Hono app over @hono/node-server against SQLite or Postgres, with an in-process event hub and a timer-driven turn deadline scheduler.

File-storage-service API contract: upload/download/metadata/stats schemas + toad-contracts endpoint definitions

Balance-tool API contract: dataset list/save/load/publish/export + AI-assist schemas + toad-contracts endpoint definitions

SNS adapter for message-queue-toolkit

Utilities for collecting metrics in message-queue-toolkit

Typed, serializable workflows that compose multiple modules. A journey declares entry/exit transitions between modules and owns shared state; modules stay journey-unaware.

Testing utilities for TanStack Router modules. Render modules in isolation with mocked dependencies.

Natural Language Processing manager tying together language detection, NER, NLU, sentiment analysis and NLG

Every language supported by NLP.js Neo, in a single plugin

Danish language support for NLP.js Neo

Romanian language support for NLP.js Neo

Lithuanian language support for NLP.js Neo

Persian (Farsi) language support for NLP.js Neo

Malay language support for NLP.js Neo

Bengali language support for NLP.js Neo

Turkish language support for NLP.js Neo

Batteries-included NLP.js Neo container, preloaded with the logger, the evaluator, the NLP classes and English language support

Hungarian language support for NLP.js Neo

Spec-compliant, dependency-free Server-Sent Events parser for incremental streams and complete response bodies

Redis adapter for SSE rooms in opinionated-machine

Browser-safe SSE client core with transparent polling fallback for opinionated-machine dual-mode contracts

Test framework for Node.js middleware (Koa and Express)

Core types and utilities for defining reactive modules. This is the package modules import — it provides `defineModule`, typed hooks (`useStore`, `useService`), scoped stores, and all shared type definitions.

Library for NLU (Natural Language Understanding) done in Node.js