Tiny JWT fetch wrapper with auto refresh, typed errors, and pluggable callbacks. Framework-agnostic. ~80 LOC. Zero runtime deps.

Server-side HTTP transport core for integration plugins: token auth, transient retry with Retry-After, per-request timeout, and an SSRF host-allowlist guard — over an injectable fetch seam, Effect-first with typed errors.

Serverless-native API Gateway core — rate limiting, JWT auth, typed errors for B2B SaaS

typed errors

HTTP client, query factories, typed errors, and generated API types for Construkt Kit apps

Pyreon HTTP client — onion middleware, typed errors, optional schema-validated responses. The transport layer under @pyreon/query.

Effect-native Kafka services, message types, and typed errors

JavaScript SDK and CLI for TrustedRouter — typed errors, retries, failover, and attestation verification.

Production-grade TypeScript client for the LiteLLM proxy server. Zero runtime dependencies, full surface coverage, streaming, retries, typed errors.

Dynamic React Native protobuf client with generate CLI, HTTP/Connect transports, interceptors, and typed errors

Shared Compose.Market SDK runtime primitives: HTTP client, typed errors, retries, storage, streaming parsers, receipts, and x402 wire types.

Common set of typed errors

Plain actors on Rivet: async handlers, durable state, typed errors — plus the crew: error reports, issue grouping, alert adapters, and a live monitor panel.

Generate an interactive HTML domain model from an Ontologic codebase: aggregates, value objects, events, typed errors, invariants, repositories and use cases.

TypeScript/JavaScript SDK for the Aura LLM Gateway (Open Responses API) — universal fetch, AsyncIterable streaming, typed errors.

OpenGeni framework-agnostic core: the domain, access, and billing layers (neutral access, off-HTTP V2 surface). Behavior-preserving extraction from apps/api — keeps Hono's HTTPException for error throwing (typed-errors cleanup deferred).

Hardened subprocess runner with timeouts, kill escalation, buffer caps, and unified typed errors

Public REST API toolkit — API-key auth, idempotent writes, typed errors, and a request wrapper. Framework-neutral.

The runtime modules every siphon CLI shares: output, typed errors, host sessions, cache, concurrency, rich documents, terminal media and selection refs.

Easy-to-use biometric authentication for React Native — Face ID, Touch ID, Fingerprint with typed errors, crypto keys, AbortSignal cancel, React Hook, and Expo support. New Architecture (TurboModules) ready.