Capability Host Protocol — Docs
Reference

Schema reference

JSON Schemas for every CHP protocol object, synced from chp-core/schemas.

27 schemas. Canonical JSON lives in chp-core/schemas/ — each row links to the source.

SchemaTitleDescription
agent-session-descriptor.schema.jsonAgentSessionDescriptorDescribes the identity and context of a CHP agent session: intent, model, memory scope, autonomy tier, and tool manifest.
approval-decision.schema.jsonApprovalDecisionPayload for approval_granted and approval_denied evidence events (v0.3.5). Records the capability URI and the identity of the actor who made the decision.
assurance-metadata.schema.jsonAssuranceMetadata
autonomy-profile.schema.jsonAutonomyProfileAutonomy control surface for a CapabilityDescriptor (v0.3.4). Declares tier, budget gates, and rollback intent.
capability-descriptor.schema.jsonCapabilityDescriptor
certification-record.schema.jsonCertificationRecordFormal attestation that a capability meets a declared maturity level (§11.4).
correlation-context.schema.jsonCorrelationContext
delegation-envelope.schema.jsonDelegationEnvelopeDescribes a governed work handoff between agents, services, or humans.
denial-reason.schema.jsonDenialReason
domain-event.schema.jsonDomainEventEmittedPayload of domain_event_emitted evidence events (v0.4.4).
evaluation-result.schema.jsonEvaluationResultStructured outcome of an agent reflection or evaluation pass.
evidence-event.schema.jsonExecutionEvidence
execution-evidence.schema.jsonExecutionEvidence
graph-entity.schema.jsonGraphEntityAddedPayload of graph_entity_added evidence events (v0.4.3).
host-descriptor.schema.jsonHostDescriptor
ingestion-record.schema.jsonIngestionResultPayload of ingestion_completed evidence events (v0.4.1). Records provenance without storing raw content.
invariant-descriptor.schema.jsonInvariantDescriptor
invocation-envelope.schema.jsonInvocationEnvelope
invocation-metrics.schema.jsonInvocationMetricsAggregated chp.invocations.* statistics for a single capability (§9.3).
invocation-result.schema.jsonInvocationResult
memory-entry.schema.jsonMemoryEntryA single key-value record in scoped CHP agent memory.
plan-descriptor.schema.jsonPlanDescriptorDescribes an agent plan: intent, ordered steps, and optional parent session link.
replay-query.schema.jsonReplayQuery
replay-result.schema.jsonReplayResult
retrieval-result.schema.jsonRetrievalResultPayload of retrieval_completed evidence events (v0.4.0). Records the query, ranked source references, and retrieval metadata.
transformation-record.schema.jsonTransformationResultPayload of transformation_completed evidence events (v0.4.2). Records provenance without storing raw content.
workflow-step.schema.jsonWorkflowStepCompletedPayload of workflow_step_completed evidence events (v0.4.4).