open-standards/jouleclaw/README.md
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licences: ship the Apache-2.0 text the code already declares
arl-rs, eoc-rs, smart-byte-rs and joule-ui-rs declare license = "Apache-2.0"
in every crate, but each standard carried only its CC-BY-4.0 LICENSE for the
specification text. Each Rust workspace now carries the Apache-2.0 text, and
each README names both licences and where they live. jouleclaw's README pointed
spec text at a spec/LICENSE that does not exist; it now points at LICENSE-SPEC.

No licence changes: every file already declared these terms.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-09 17:22:32 -04:00

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# JouleClaw — Energy-Optimized AI Runtime
The substrate for AI that costs Joules, not tokens.
**Capability per Joule, not capability per parameter.**
## What JouleClaw is
JouleClaw is a pure-Rust, omni-modal AI runtime + harness + agentic layer
governed by Transaction Science as an open standard (5th in the open-standards
quartet, alongside [OpenPay](../openpay/), [Smart Byte](../smart-byte/),
[EOC](../eoc/), and [WAI](../wai/)).
Every operation JouleClaw performs walks an explicit energy-tiered cascade,
top to bottom, stopping at the first stage that closes the query:
| Tier | Name | Cost class | What runs here |
|------|-------------|------------------|-----------------------------------------------------------|
| L0 | **Cache** | picojoules | Content-addressed cache hits |
| L1 | **Lawful** | nanojoules | Deterministic, pre-compiled primitive (text/code only) |
| L2 | **Embed** | sub-millijoules | Matryoshka embeddings + nearest-neighbor + hybrid search |
| L3 | **Model** | joules | Local SSM / ternary / multimodal / diffusion / etc. |
| L4 | **Wire** | tens of joules | Remote frontier RPC (escape hatch only) |
L1 (Lawful) is only meaningful for text and code modalities. For image, audio,
video and 3D generation, the cascade collapses to L0 / L2 / L3 / L4 — the
energy savings come from caching plus dispatch to the cheapest model that
meets the quality bar.
## Why JouleClaw exists
The mainstream "agentic AI" ecosystem treats inference as the entry point.
Every state shift, every tool call, every routing decision runs through a
70-billion-parameter stochastic engine, burning kilojoules to do work that
deterministic compute or a hot cache could resolve for microjoules.
JouleClaw inverts the default. Inference is the **last resort**, not the
first. Frozen model weights are **less trustworthy than current world state**;
fresh, provenance-stamped retrieval beats synthesis from training cuts.
Every operation is metered in microjoules where the hardware permits it, and
in millijoules where it doesn't — the spec is honest about the floor on every
platform.
The thermodynamic circuit breaker is the safety mechanism. Set an energy
budget; when measured consumption exceeds the budget, the breaker trips and
the operation halts. Hallucination loops cannot survive an honest joule
ledger.
## What's here
| Path | Contents |
|-----------------------------------|-------------------------------------------------------------|
| [`SPEC.md`](SPEC.md) | JouleClaw v1 spec — cascade tiers, energy contract, receipt |
| [`CHARTER.md`](CHARTER.md) | Stewardship pattern (shared across open-standards) |
| [`jouleclaw-rs/`](jouleclaw-rs/) | Apache-2.0 Rust reference implementation |
| [`spec/`](spec/) | Tier specifications, energy provenance, receipt format |
| [`conformance/v1/`](conformance/) | Signed wire vectors for cross-implementation verification |
## Reference implementation
`jouleclaw-rs/` is the Apache-2.0 reference implementation in Rust. It
runs on Apple Silicon (M3/M4/M5 with UMA + Metal 4 Tensor APIs), AMD Strix
Halo / Ryzen AI Max, Intel Lunar Lake, NVIDIA Jetson, and discrete
NVIDIA / AMD GPUs.
It is omni-modal: text, code, vision, audio, video, image diffusion, 3D
Gaussian splatting, and cross-modal fusion all dispatch through the same
energy-tiered cascade.
The MCP tool surface is a **JCP consumer**: `jouleclaw-jcp` wraps any
`jouleclaw-mcp` metered tool so every dispatch is decided by the JCP runtime
against a signed, metered Grant before a byte reaches the tool — the tool's
identity is the content-addressed resource, the call's energy estimate is
debited from the grant's joule budget, and every decision (allow and deny
alike) seals as a JCR-1 receipt. An injected instruction can name an ungranted
tool; it cannot make the gate dispatch it.
## Status
v0.1.0 reference implementation in active development. The spec is draft
status. Cross-implementation conformance vectors will land with v1.0.0.
## License
- **Code:** Apache-2.0 (see [`LICENSE`](LICENSE))
- **Spec text:** CC-BY-4.0 (see [`LICENSE-SPEC`](LICENSE-SPEC))