Developer Guide
Technical reference for contributors and developers working on the Vellum Assistant platform. These docs cover architecture, security internals, the API surface, and the agent-driven development workflow.
Get Started
Developer on-ramp: repo layout, local dev setup, CLI, HTTP API, and SSE event stream.
Architecture
Platform domains, repo structure, and how the runtime, clients, and gateway fit together.
Security & Permissions
Sandbox model, credential storage, trust rules, and permission modes.
Features & Capabilities
Integrations, dynamic skill authoring, browser automation, attachments, and media embeds.
API & Communication
SSE event stream, event payloads, connection management, and remote access via SSH.
Development Workflow
Claude Code slash commands, parallel PR execution, review loops, and the release pipeline.