CKS Runtime
The canonical operational environment for Canonical Knowledge Structures.
CKS Runtime is the canonical execution environment for Canonical Knowledge Structures (CKS).
Where CKS Core defines the semantics of knowledge, CKS Runtime defines its operational lifecycle.
Runtime provides the infrastructure required to execute, manage, version, persist and expose Canonical Knowledge Structures without becoming a semantic authority itself.
Ecosystem
CKS Runtime is part of a family of interoperable projects built on the Canonical Knowledge Structure.
| Project | Description | Repository |
|---|---|---|
| cks-core | Semantic engine – the single source of canonical truth. | Deus-corp/cks-core |
| cks-runtime | Operational environment – sessions, transactions, persistence. | Deus-corp/cks-runtime |
| cks-mcp | MCP server – exposes CKS to LLMs via the Model Context Protocol. | Deus-corp/cks-mcp |
Why Runtime?
Canonical knowledge is immutable.
Operational state is not.
Applications need to:
- create sessions
- execute transactions
- maintain history
- persist state
- expose APIs
- coordinate diagnostics
These responsibilities belong to Runtime rather than CKS Core.
Canonical Knowledge Structure
│
▼
CKS Runtime
│
┌──────────┼──────────┐
▼ ▼ ▼
Session Versioning Storage
Runtime manages operational behaviour.
CKS Core defines semantic behaviour.
Core Principles
CKS Runtime is founded on four architectural principles.
Runtime is not a semantic authority.
Semantic meaning permanently belongs to CKS Core.
Runtime never redefines knowledge.
Runtime orchestrates semantic services.
Validation.
Evolution.
Serialization.
Diagnostics.
These services originate from CKS Core.
Runtime coordinates their execution.
Operational state belongs to Runtime.
Sessions.
Transactions.
Persistence.
Version History.
These are Runtime responsibilities.
Observable behaviour is standardized.
The Runtime Standard specifies observable operational behaviour rather than implementation techniques.
Runtime Architecture
The CKS ecosystem is organized into four architectural layers.
Applications
│
▼
Adapters
│
▼
CKS Runtime
│
▼
Public CKS Core API
│
▼
CKS Core
Responsibilities are strictly separated.
| Layer | Responsibility |
|---|---|
| CKS Core | Semantic authority |
| CKS Runtime | Operational orchestration |
| Adapters | Protocol exposure |
| Applications | Business logic |
The current Reference Runtime provides:
- Runtime Sessions
- Transaction Management
- Version History
- Storage Abstraction
- Runtime Diagnostics
- Explainability Coordination
- Canonical Runtime API
- Reference Runtime Architecture
- Runtime Conformance Model
- CKS Core Integration (via
CksCoreAdapter) - Execution Engine – canonical operations (Validate, Serialize, Explain, Evolve, Diff) via
CoreBridge - Operation Dispatcher – registry-based operation resolution
- Event System – lifecycle events published via
EventBus - Time-Travel Operations –
ListVersionsOperation,RevertVersionOperation - Structural Diff – compact change computation between versions
- Three‑way merge of knowledge structures via
cks-core'smerge()function - Query Subgraph – k‑hop neighbourhood extraction with type filters and budget/ranking, delegated to cks-core's query_subgraph()
- Persistent Storage – SQLite-backed storage via
SQLiteStorage, surviving server restarts. Configurable throughRuntimeConfig.storage_path.
Design Goals
CKS Runtime is designed to be:
- deterministic
- implementation-independent
- transport-independent
- storage-independent
- session-oriented
- transaction-oriented
- semantically neutral
Relationship to CKS Core
CKS Runtime depends upon CKS Core.
CKS Runtime never replaces CKS Core.
CKS Core
defines semantics
│
▼
CKS Runtime
orchestrates semantics
manages operational lifecycle
Runtime communicates exclusively through the public CKS Core API.
Installation
From PyPI:
pip install cks-runtime
Or from source:
git clone https://github.com/Deus-corp/cks-runtime.git
cd cks-runtime
pip install -e .
Quick Example
from cks_runtime import Runtime
from cks_runtime_plugins.cks_core import CksCoreAdapter
from cks_runtime.operations.operation_types import (
ValidateOperation,
EvolveOperation,
ListVersionsOperation,
RevertVersionOperation,
)
# Create Runtime with real CKS Core
runtime = Runtime(core=CksCoreAdapter())
# Create a session and validate a knowledge structure
session = runtime.create_session({"example": True})
tx = runtime.begin_transaction(session)
tx.add_operation(ValidateOperation("v1", knowledge_structure=session.knowledge_structure))
version = runtime.commit_transaction(tx)
# Evolve the structure
tx2 = runtime.begin_transaction(session)
tx2.add_operation(EvolveOperation("evolve", knowledge_structure=session.knowledge_structure, evolution=[]))
version2 = runtime.commit_transaction(tx2)
# List versions
versions = runtime.executor.execute(ListVersionsOperation(), session)
print(versions.payload)
# Revert to the first version
tx3 = runtime.begin_transaction(session)
tx3.add_operation(RevertVersionOperation("revert", target_version_id=version.version_id))
runtime.commit_transaction(tx3)
Documentation
The Runtime Standard consists of the following normative specifications.
| Specification | Purpose |
|---|---|
| SPEC-001 | Runtime Overview |
| SPEC-002 | Session Model |
| SPEC-003 | Runtime API |
| SPEC-004 | Diagnostics |
| SPEC-005 | Transactions |
| SPEC-006 | Storage |
| SPEC-007 | Version History |
| SPEC-008 | Runtime Conformance |
Supporting documents include:
- Runtime Charter
- Architectural Analyses
- Architecture Decision Records
- Reference Architecture
Project Status
Current implementation status (v1.5.0):
| Component | Status |
|---|---|
| Runtime Architecture | ✅ Complete |
| Session Model | ✅ Complete |
| Transaction Model | ✅ Complete |
| Version History | ✅ Complete |
| Diagnostics | ✅ Complete |
| Storage Abstraction | ✅ Complete |
| Runtime API | ✅ Complete |
| Core Integration (CoreBridge) | ✅ Complete |
| Execution Engine (Operations + Dispatcher) | ✅ Complete |
| Event System | ✅ Complete |
| Time-Travel Operations | ✅ Complete |
| Structural Diff | ✅ Complete |
| Query Subgraph | ✅ Complete |
| Persistent Storage (SQLite) | ✅ Complete |
| Test Suite | ✅ 211+ tests passing |
The current implementation serves as the reference implementation of the CKS Runtime Standard (SPEC-001 … SPEC-008).
Future work focuses on persistent storage and distributed sessions.
Future work focuses on Phase 3 (Event System) as outlined in the Roadmap.
Long-Term Vision
CKS Runtime aims to become the canonical operational foundation shared by every CKS-compatible implementation.
Future adapter standards—including MCP, CLI, HTTP and others—will rely on Runtime rather than communicating directly with CKS Core.
This preserves a single semantic authority while allowing unlimited operational implementations.
License
MIT
1 maintainer
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