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However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS diff --git a/README.md b/README.md index 1728f91..1dff83d 100644 --- a/README.md +++ b/README.md @@ -1,12 +1,11 @@ # korg -**A causally-ordered, rewindable event-ledger for autonomous AI agents.** -*Every step your AI agent takes, recorded in a hash-chained ledger you can independently verify — tamper-evident, zero trust, no blockchain.* +**A tamper-evident, SHA-256-chained ledger for AI agents.** +*Every step your agent takes is recorded in a hash chain anyone can verify — edit one event and the chain names it. No trust in the producer, no blockchain.* [![CI](https://github.com/New1Direction/korg/actions/workflows/ci.yml/badge.svg)](https://github.com/New1Direction/korg/actions/workflows/ci.yml) -[![License: MIT OR Apache-2.0](https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg?style=flat-square)](https://opensource.org/licenses/MIT) +[![License: MIT OR Apache-2.0](https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg?style=flat-square)](#license) [![Rust 2021](https://img.shields.io/badge/rust-2021-93450a.svg?style=flat-square)](https://www.rust-lang.org) -[![Tests](https://img.shields.io/badge/tests-175%20passing-brightgreen.svg?style=flat-square)](https://github.com/New1Direction/korg)

English · 简体中文 · 繁體中文 @@ -14,6 +13,47 @@ --- +## 30-second quickstart + +Build the standalone verifier (~10s cold — it compiles only the ledger crates), verify a recorded Claude Code session, then rewrite one event and watch the chain catch it: + +```bash +git clone https://github.com/New1Direction/korg && cd korg +cargo build --release -p korg-verify +cp spec/korg-ledger-v1/web/samples/session.jsonl /tmp/session.jsonl + +./target/release/korg-verify /tmp/session.jsonl +# ✓ journal VALID — 6 events, hash-chain + DAG intact + +sed -i.bak '4s/return a - b/return a + b/' /tmp/session.jsonl # rewrite the agent's edit + +./target/release/korg-verify /tmp/session.jsonl +# ✗ journal INVALID — 1 problem(s): +# - seq 4: entry_hash mismatch (content was tampered) (exit 1) +``` + +![korg-verify catching a single rewritten event in an agent ledger](tamper.gif) + +No Rust toolchain? Drop the same file into the [in-browser verifier](https://new1direction.github.io/korg/web/index.html) — it runs locally and sends nothing. + +--- + +## Validated across three vendors (N=3) + +The same `korg-ledger@v1` format ingests traces from three architecturally different production agents, with causal structure (spec §2a) preserved through the round-trip: + +| Agent | Transport | Tool shape | Adapter | Tests | +|:---|:---|:---|:---|:---:| +| **Claude Code** | JSONL on disk + live hooks | Anthropic `tool_use` / `tool_result` blocks | [`adapters/claude-code`](adapters/claude-code/) — smoke-tested on a real 3,141-event session, zero dropped | 58 ✓ | +| **OpenAI Codex CLI** | WebSocket frames | OpenAI `function_call` + freeform `custom_tool_call` | [`adapters/codex-ws`](adapters/codex-ws/) | 11 ✓ | +| **Grok Heavy** | NDJSON stream | 16-agent parallel fan-out | [`adapters/grok-heavy`](adapters/grok-heavy/) | 14 ✓ | + +Because all three land in one format, one verifier checks them all — and it has byte-identical Rust, Python and JS implementations, differentially fuzzed against each other with 0 divergences. Known limits are written down rather than hidden: see the [Grok Heavy limitations](adapters/grok-heavy/README.md#known-limitation-ingest-order-is-not-wall-clock-concurrency) (ingest order vs. wall-clock concurrency, cross-agent chatroom edges). + +--- + +## Full demo: record → verify → rewind + ![korg demo — record, verify, and rewind an AI agent session as a hash-chained ledger](demo.gif) --- @@ -383,7 +423,7 @@ Korg is in active development, built on a **frozen `korg-ledger@v1` spec with cr ## License -Licensed under either of [MIT](LICENSE-MIT) or [Apache-2.0](LICENSE-APACHE) at your option. +Licensed under either of [MIT](LICENSE) or [Apache-2.0](LICENSE-APACHE) at your option. --- diff --git a/tamper.gif b/tamper.gif new file mode 100644 index 0000000..751f966 Binary files /dev/null and b/tamper.gif differ diff --git a/tamper.tape b/tamper.tape new file mode 100644 index 0000000..d5c789a --- /dev/null +++ b/tamper.tape @@ -0,0 +1,48 @@ +# korg tamper demo — the chain catching a rewritten event. +# +# Runs the REAL `korg-verify` binary against a real korg-ledger@v1 journal +# (spec/korg-ledger-v1/web/samples/session.jsonl, a 6-event Claude Code +# session). One byte of history is edited with `sed`; the verifier names the +# exact event that was tampered with and exits non-zero. Nothing is scripted. +# +# Regenerate: cargo build --release -p korg-verify && vhs tamper.tape + +Output tamper.gif + +Set Shell "bash" +Set FontSize 15 +Set FontFamily "DejaVu Sans Mono" +Set Width 1200 +Set Height 480 +Set Theme "Dracula" +Set Padding 20 +Set TypingSpeed 40ms + +# ── Setup: verifier on PATH, work on a scratch copy of the sample ledger ────── +Hide +Type "export PATH=$PWD/target/release:$PATH PS1='$ '" +Enter +Type "D=$(mktemp -d) && cp spec/korg-ledger-v1/web/samples/session.jsonl $D/ && cd $D && clear" +Enter +Show + +# ── 1. An agent session, recorded as a hash-chained ledger ───────────────────── +Sleep 500ms +Type `jq -c '[.seq_id, .event.tool_name, .event.args.new_string // .event.args.command // ""]' session.jsonl` +Enter +Sleep 2.5s + +# ── 2. Verify it — no trust in whoever produced it ──────────────────────────── +Type "korg-verify session.jsonl" +Enter +Sleep 2s + +# ── 3. Quietly rewrite history: make event 4 look like the buggy edit ────────── +Type "sed -i.bak '4s/return a - b/return a + b/' session.jsonl" +Enter +Sleep 1s + +# ── 4. Verify again — the chain names the exact event that was changed ──────── +Type "korg-verify session.jsonl; echo exit=$?" +Enter +Sleep 4s