Product updates

Changelog

What’s new in Prefactor. Features, improvements, and fixes shipped to the platform and SDKs.

March 2026

Observability SDK & CLI API

Per-tool span schemas for granular agent visibility

Define custom span schemas for individual tools in your LangChain and Vercel AI SDK agents. Tool-specific span types replace generic "tool call" events, giving you observability that matches your agent's actual architecture.

SDK & CLI Infrastructure

CLI login flow and multi-platform binaries

One-command authentication with `prefactor login`. Pre-built binaries for Windows, macOS, and Linux (x64 + ARM), with canary and stable release channels.

Platform API

Real-time WebSocket API for agent management

Subscribe to agent instance updates in real time. WebSocket API includes graceful instance termination handling and live status streaming for running agents.

Platform Observability Security

Data risk tracking in span schemas

New `data_risk` field in span type schemas surfaces agent risk signals directly in the Prefactor dashboard. Monitor which tools are handling sensitive data at a glance.

SDK & CLI Governance & Compliance

Idempotency key support for safe retries

UUID-based idempotency keys across Python and TypeScript SDKs. Every span and agent operation is retry-safe with server-side validation, ensuring data integrity in production workloads.

Integrations Platform

OpenClaw conversation view

Agent instances from OpenClaw now render in a human-readable conversation format. Understand agent reasoning and tool usage patterns at a glance instead of parsing raw event logs.

Developer Experience Documentation

API docs, skill guides, and macOS setup fixes

TypeDoc-generated API documentation for Core, AI SDK, LangChain, and OpenClaw packages. New guides for instrumenting existing agents and building provider adapters. Setup scripts now work on macOS.

Developer Experience SDK & CLI Infrastructure

macOS setup, OpenAPI CI, and SDK init refactor

Setup scripts now work on macOS. OpenAPI spec generation added to CI. SDK core init refactored to a provider-based client API with improved shutdown semantics.

February 2026

Platform Integrations Developer Experience

Getting started redesign and OpenClaw conversation view

Redesigned onboarding with integration cards and guided setup panel. OpenClaw agent instances now render as human-readable conversations.

Developer Experience SDK & CLI Documentation

SDK documentation, CLI tool, and skill guides

TypeDoc-generated API docs for all major packages. New P2 CLI tool for managing agents from the terminal. Skill guides for instrumentation and provider adapters.

SDK & CLI

Python SDK v2

Major version update to the Python SDK with an improved API surface. Aligns with the TypeScript SDK's architecture for consistent cross-language developer experience.

Integrations SDK & CLI

OpenClaw plugin for Vercel AI SDK

First-party OpenClaw plugin for instrumenting Vercel AI SDK agents. Drop-in integration with automatic span collection and skill guides for setup.

SDK & CLI

SDK architecture overhaul with direct transport

Next-generation TypeScript SDK architecture with a direct transport layer. Removes intermediary abstractions for lower latency and simpler debugging.