Crate Map

All crates in the SmartPoints workspace, organized by the ADR-088 six-layer protocol stack. Test counts reflect #[test] attributes in source and test files.

Layer 0: Kernel

The SPTOS microkernel provides the execution environment for agents and services.

Crate	Description	Key Types	Tests
sptos-nucleus	Kernel core: syscalls, scheduler, vector store, checkpoint	Kernel, KernelConfig, VectorStore	157
sptos-cap	Capability-based access control: grants, revocation, derivation	CapabilityTable, CapabilityGrant, CapManager	103
sptos-proof	Formal proof engine: witnesses, attestations, verification	ProofEngine, Witness, Verifier, Attestation	73
sptos-boot	Secure boot chain: stages, signatures, attestation	BootLoader, BootManifest, WitnessLog	61
sptos-queue	Lock-free ring buffer message queues	KernelQueue, Descriptor, RingBuffer	80
sptos-sched	Task scheduler with novelty-aware priority	Scheduler, Task, Priority, Partition	47
sptos-vecgraph	HNSW vector graph with coherence gating	GraphStore, VectorStore, CoherenceGate	69
sptos-types	Shared type definitions across kernel crates	Capability, TaskId, RegionId, Handle	63
sptos-region	Memory region management: slab allocation, append-only	RegionManager, Slab, AppendOnly, Immutable	88
sptos-shell	Interactive kernel shell (spsh)	Parser, ShellCommand	41

Layer 1: Host

The host daemon manages kernel instance lifecycles and platform-native integration.

Crate	Description	Key Types	Tests
sptos-host-core	Platform-agnostic host daemon library	InstanceManager, InstanceState, ResourceLimits	57
sptos-host-macos	macOS: Secure Enclave, launchd, Bonjour	MacOsKeyStore, MacOsLifecycle, MacOsDiscovery	47
sptos-host-linux	Linux: TPM 2.0, systemd, Avahi	LinuxKeyStore, LinuxLifecycle, LinuxDiscovery	45
sptos-host-ios	iOS: Secure Enclave, XPC, satellite mode	IosKeyStore, IosLifecycle, Satellite	73
sptos-host-visionos	visionOS: Secure Enclave, spatial feed	VisionOsKeyStore, SpatialFeed	63
sptos-host-windows	Windows: TPM 2.0, SCM, WSD	WindowsKeyStore, WindowsLifecycle	66

Layer 2: Wire

DID-addressed vector transport over QUIC with store-and-forward.

Crate	Description	Key Types	Tests
spt-wire	QUIC transport with DID routing, ConnectionCascade, pub/sub	TransportEndpoint, TransportChannel, ConnectionCascade, SubscriptionManager	35
spt-wire-format	Binary segment codec (varint, delta, hash)	Segment, Codec	--
spt-wire-bridge	Bridges SmartPoint envelopes to QUIC transport	WireBridge, WireSession	0
spt-crypto-provider	rustls CryptoProvider with DID auth and PQ crypto	SptCryptoProvider, DidVerifier	--
spt-nat	NAT-PMP, TURN (with 401 retry + IPv6) for NAT traversal	QuicNat, StunClient	32

Layer 3: SmartPoint

The cryptographic core: asymmetric pairs, post-quantum crypto, identity.

Crate	Description	Key Types	Tests
spt-smartpoint	SmartPoint pairs and three-layer vector envelope	SmartPointPair, VectorEnvelope, CryptoSuite	48
spt-pq-crypto	Post-quantum cryptography: ML-KEM, ML-DSA, HQC	MlKem768, MlDsaKeyPair, HybridKem	56
spt-vault	Key storage with hardware integration	Vault, SmartPointKeys, Attestation	74
spt-aid	Smart Agentic ID (SAID): DID generation and W3C compliance	Did, DidDocument, QuicCert, Federation	60

Layer 4: Scope and Governance

Governance boundaries, policy enforcement, and external service connectors.

Crate	Description	Key Types	Tests
sptos-scope	Scope governance: policies, actors, connectors, rendezvous	Scope, ScopePolicy, ActorRegistry, Rendezvous	48
spt-connectors-core	Connector framework: traits, lifecycle, manifests	ConnectorTrait, ConnectorManifest, Lifecycle	29
spt-connector-github	GitHub connector: repos, PRs, issues	GitHubConnector, GitHubAuth, Operations	52
spt-entra	Microsoft Entra ID connector: auth, groups, roles	EntraConnector, EntraConfig, RoleMapping	114
spt-federation	Cross-scope federation: trust, negotiation, routing	FederationRegistry, TrustRelationship	43

Layer 5: Marketplace

Service discovery, retention lifecycle, quarx metering, and privacy overlays.

Crate	Description	Key Types	Tests
spt-discovery	DHT-based service discovery and reputation	ServiceRegistry, DhtNode, ReputationTracker	69
spt-marketplace	Retention lifecycle, escrow, quarx metering	RetentionManager, QuarxLedger, CircuitBreaker	56
spt-aic	Agentic Identity Chain: Merkle DAG identity ledger	MerkleDag, Vertex, MerkleProof	41
spt-dark	Dark overlay network: shadow addressing, validation	ShadowAddress, DarkRegistry, DomainResolver	83
spt-p2p	Peer-to-peer networking: gossip, mesh, Kademlia	P2pNode, GossipProtocol, MeshTopology	48
spt-onion	Multi-hop onion routing for traffic analysis resistance	OnionRouter, Circuit, Relay, Mixer	69
spt-checkpoint	Incremental state checkpointing and transfer	CheckpointManifest, IncrementalCheckpoint	36

Layer 6: Application

End-user functionality: appliance, telemetry, LLM routing, crews, spatial.

Crate	Description	Key Types	Tests
spt-appliance	Network appliance: bootstrap, configuration, invites	Appliance, BootstrapConfig, InviteManager	20
spt-telemetry	Telemetry pipeline: OTLP, Splunk, webhooks, filters	TelemetryPipeline, Collector, Filter	30
spt-llm-router	LLM request routing with tier-based model selection	LlmRouter, TierAssessment, BudgetTracker	47
spt-llm-connector	LLM provider connectors: Azure, Anthropic, Bedrock, Vertex	LlmProvider, AzureConnector, AnthropicConnector	40
spt-crew	Crew orchestration: agent teams, topics, sessions	Crew, Topic, Session, Roster	66
spt-ops-agents	Operational agents: sentinel, alerting, recommendations	Sentinel, AlertManager, QuarxEconomist	40
spt-spatial	Spatial computing: scene graph, animations, agent visualization	SceneGraph, Animation, AgentViz	48
spt-spatial-macos	macOS spatial: SceneKit rendering, camera, input	MacOsRenderer, Camera, InputHandler	39
spt-spatial-visionos	visionOS spatial: hand/eye tracking, immersive spaces	HandTracking, EyeTracking, ImmersiveSpace	60
spt-dev-scope	Developer scope: tasks, workflows, agent pools, templates	DevScope, TaskRunner, AgentPool, Template	42

Layer 7: Intelligence

Model inference, generative runtime, and model registry.

Crate	Description	Key Types	Tests
spt-inference	Micro-inference via tract: ONNX/GGUF models, batch prediction	InferenceEngine, ModelSession, TractBackend	29
spt-llm-runtime	Generative LLM runtime via Candle: tokenization, sampling, KV-cache	LlmRuntime, CandleBackend, SamplingConfig	34
spt-models	Model registry: download, verify, format detection, catalog	ModelRegistry, ModelCard, FormatDetector	94

Layer 8: Orchestration

Agent orchestration, swarm coordination, and MCP tooling (Rust-native, replaces npm sptflo).

Crate	Description	Key Types	Tests
spt-flo	Wire publisher + ReasoningBank: swarm coordination, memory, hooks	FloEngine, ReasoningBank, WirePublisher, SwarmCoordinator	89
spt-flo-mcp	MCP tool server: 13 tools for agent/swarm/memory operations	McpServer, ToolRegistry, McpHandler	29

Bridges

Cross-layer integration and testing.

Crate	Description	Key Types	Tests
spt-apple-host-bridge	UniFFI bridge: Rust host to Swift/Apple APIs	AppleBridge, SwiftCallback	16
spt-integration-tests	End-to-end tests across all layers	--	23

Summary

Layer	Crate Count	Total Tests
0 - Kernel	10	782
1 - Host	6	351
2 - Wire	3	67
3 - SmartPoint	4	238
4 - Scope	5	286
5 - Marketplace	7	402
6 - Application	10	432
7 - Intelligence	3	157
8 - Orchestration	2	118
Bridges	2	39
Total	52	2,872

Note: This table covers the 52 crates in the ADR-088 architecture. The workspace contains additional crates for vector DB, neural architecture, reasoning, and other subsystems not part of the core protocol stack.