What is Ghost?
Ghost — An autonomous stand-in that acts on a principal's behalf without their presence.
Ghost is the primitive that answers who acts when the principal is absent? It names the agent that carries a person's intent forward without them in the loop.
It is the layer where delegation becomes presence. A ghost holds the principal's authority and acts within it, standing in wherever they cannot be.
Where ghost sits in the stack
In the four-layer architecture of the agentic web, ghost is a Cross-cutting concept — it applies across every layer of the stack. See the thesis for how the layers compound.
Ghost in the portfolio
22 positions in the Semantic Substrate portfolio carry the Ghost primitive — 17 available individually, 5 held as a coordinated set.
Explore the Ghost cluster →Quick answers
- What is Ghost in agentic systems?
- An autonomous stand-in that acts on a principal's behalf without their presence.
- Where does Ghost sit in the agentic stack?
- Ghost sits at the Cross-cutting layer — it applies across every layer of the stack.
- How many Ghost domain positions exist in the Semantic Substrate portfolio?
- 22 positions carry the Ghost primitive — 17 available individually, the rest held as a coordinated set.
Related primitives
ConstitutionalInfrastructureObservabilityOrchestrationIntelligenceAttestationAttributionConvergenceIntegrationAutonomousCapabilityDelegationFederationGovernanceProvenanceSettlementAuthorityExecutionPrecedentSovereignSubstrateDecisionOverridePlatformProtocolSemanticTemporalBindingCustodyEconomyLineageProcessQuantumRoyaltySpatialUnifiedNeuralSafetyTreatyAgentModelSwarmTrustTwin
Held in the portfolio under Ghost.