Doing and acting
Circuit
Circuit turns approved Playbooks into action. It is the execution layer for teams that want real automation without giving up review, audit, or control.
Deterministic workflows
Circuit runs versioned DAG workflows with clear node types, observable runs, and one repeatable path from trigger to outcome.
Governed agent autonomy
Agents can reason within a Playbook, but they cannot acquire new capabilities at runtime and high-risk effects can be held behind HITL Gates.
Client-owned credentials
Every external action flows through effectors and uses credentials stored in the client's own Installation, not a shared vendor vault.
More than a workflow execution engine
Most workflow engines are good at wiring steps together. Circuit goes further by making the action surface pre-approvable, routing every side effect through one effector plane, and keeping autonomous behavior bounded by reviewed Playbooks.
Why operators trust it
Workflows move through Proposed, Draft, Active, Paused, and Archived. Nothing activates until a human approves the action surface and clears blocking Review Items, so teams keep a real control point between a smart proposal and live execution.
Where it fits
Circuit executes what Prism understands. It is the doing layer in Lionlight: the place where schedules, retries, integrations, and human approvals turn declared capability into safe action.
Ready to put Lionlight to work?
Whether you need a clearer Living Map, a safer execution layer, or an MCP bridge your agents can actually trust, we will help you map the right next step for your organisation.
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