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| 1 | +# AuthorityLayer |
| 2 | + |
| 3 | +[](https://github.com/032383justin/authority-layer/actions/workflows/ci.yml) |
| 4 | +[](https://www.npmjs.com/package/authority-layer) |
| 5 | +[](https://opensource.org/licenses/MIT) |
| 6 | +[](https://nodejs.org) |
| 7 | + |
| 8 | +Hard execution and budget limits for autonomous agents — enforced locally. |
| 9 | + |
| 10 | +✔ No telemetry |
| 11 | +✔ Works fully offline |
| 12 | +✔ Fail-closed by default |
| 13 | +✔ Zero runtime dependencies |
| 14 | + |
| 15 | +--- |
| 16 | + |
| 17 | +## Why AuthorityLayer Exists |
| 18 | + |
| 19 | +Autonomous AI agents can fail in expensive, hard-to-detect ways: |
| 20 | + |
| 21 | +- **Runaway token spend** — a looping agent burns thousands of dollars before anyone notices |
| 22 | +- **Infinite tool loops** — agents retry the same failing call indefinitely |
| 23 | +- **Retry storms** — cascading failures hammer external APIs with no ceiling |
| 24 | +- **Cascading tool call explosions** — one agent spawns sub-calls that spawn more |
| 25 | + |
| 26 | +Most tooling detects these problems after they happen — in dashboards, alerts, or post-run analytics. |
| 27 | + |
| 28 | +AuthorityLayer prevents them inside the runtime, before cost or damage accumulates. |
| 29 | + |
| 30 | +It helps developers: |
| 31 | + |
| 32 | +- prevent runaway LLM costs |
| 33 | +- stop infinite agent loops |
| 34 | +- limit AI agent tool calls per run and per minute |
| 35 | +- enforce runtime safety for autonomous agents |
| 36 | + |
| 37 | +--- |
| 38 | + |
| 39 | +## Live Enforcement Demo (10-second example) |
| 40 | + |
| 41 | + |
| 42 | + |
| 43 | +--- |
| 44 | + |
| 45 | +## Quick Start |
| 46 | + |
| 47 | +```bash |
| 48 | +npm install authority-layer |
| 49 | +``` |
| 50 | + |
| 51 | +Verify the install: |
| 52 | + |
| 53 | +```bash |
| 54 | +npx authority-layer doctor |
| 55 | +``` |
| 56 | + |
| 57 | +``` |
| 58 | +AuthorityLayer Doctor authority-layer@0.1.2 |
| 59 | +
|
| 60 | + ✔ Node.js version >= 18 pass |
| 61 | + ✔ crypto module (sha256) pass |
| 62 | + ✔ AUTHORITY_LAYER_DISABLE not set pass |
| 63 | + ✔ core module loads offline pass |
| 64 | + ✔ AuthorityLayer instantiates pass |
| 65 | +
|
| 66 | +All checks passed. AuthorityLayer is ready. |
| 67 | +``` |
| 68 | + |
| 69 | +## CLI Tools |
| 70 | + |
| 71 | +| Command | What it does | |
| 72 | +|---------|-------------| |
| 73 | +| `npx authority-layer doctor` | Verify your installation passes all environment checks | |
| 74 | +| `npx authority-layer simulate` | Run a live enforcement simulation — see a halt in action without writing any code | |
| 75 | + |
| 76 | +--- |
| 77 | + |
| 78 | +## Minimal Integration |
| 79 | + |
| 80 | +```typescript |
| 81 | +import { AuthorityLayer, EnforcementHalt } from "authority-layer"; |
| 82 | + |
| 83 | +const authority = new AuthorityLayer({ |
| 84 | + budget: { dailyUSD: 50 }, // Hard USD spend cap |
| 85 | + loopGuard: { maxToolCallsPerRun: 25 }, // Max tool calls per run |
| 86 | + toolThrottle: { maxCallsPerMinute: 60 }, // Sliding-window rate cap |
| 87 | +}); |
| 88 | + |
| 89 | +try { |
| 90 | + await authority.wrap(async () => { |
| 91 | + const result = await authority.tool("llm.chat", () => |
| 92 | + callYourModel(prompt) |
| 93 | + ); |
| 94 | + authority.recordSpend(calculateCostUSD(result)); |
| 95 | + }); |
| 96 | +} catch (err) { |
| 97 | + if (err instanceof EnforcementHalt) { |
| 98 | + console.error(err.enforcement); |
| 99 | + // { status: "halted", reason: "budget_exceeded", limit: 50, spent: 52.14, event_id: "evt_..." } |
| 100 | + } |
| 101 | +} |
| 102 | +``` |
| 103 | + |
| 104 | +--- |
| 105 | + |
| 106 | +## Enforcement Primitives |
| 107 | + |
| 108 | +AuthorityLayer V1 provides three composable enforcement primitives. Each is opt-in — omit a config key to disable it. |
| 109 | + |
| 110 | +These primitives enforce boundaries directly inside the execution loop — not in dashboards or external monitoring. |
| 111 | + |
| 112 | +| Primitive | Config key | What it enforces | |
| 113 | +|-----------|------------|------------------| |
| 114 | +| **Budget cap** | `budget.dailyUSD` | Cumulative USD spend across the process lifetime. Halts when spend exceeds the cap. → [docs](./docs/enforcement.md#1-budget-cap) | |
| 115 | +| **Loop guard** | `loopGuard.maxToolCallsPerRun` | Total tool calls per `wrap()` invocation. Counter resets each run. → [docs](./docs/enforcement.md#2-loop-guard) | |
| 116 | +| **Tool throttle** | `toolThrottle.maxCallsPerMinute` | Rate of tool calls using a sliding 60-second window — no fixed buckets. → [docs](./docs/enforcement.md#3-tool-throttle) | |
| 117 | + |
| 118 | +When a primitive breaches, AuthorityLayer throws a typed `EnforcementHalt` error with a structured `.enforcement` object. Execution never crashes silently. |
| 119 | + |
| 120 | +--- |
| 121 | + |
| 122 | +## How AuthorityLayer Is Different |
| 123 | + |
| 124 | +Most AI guardrail tools focus on moderation or observability. AuthorityLayer focuses on **runtime enforcement**. |
| 125 | + |
| 126 | +| Tool type | What it does | |
| 127 | +|-----------|-------------| |
| 128 | +| Prompt guardrails | Filter or rewrite prompts and outputs | |
| 129 | +| Observability platforms | Analyze agent behavior after execution | |
| 130 | +| Cost analytics | Track and report token usage | |
| 131 | +| **AuthorityLayer** | Enforces hard limits **during** execution — halts immediately when a boundary is crossed | |
| 132 | + |
| 133 | +--- |
| 134 | + |
| 135 | +## Documentation |
| 136 | + |
| 137 | +| Topic | File | |
| 138 | +|------|------| |
| 139 | +| Concepts & philosophy | [docs/concepts.md](./docs/concepts.md) | |
| 140 | +| Enforcement primitives | [docs/enforcement.md](./docs/enforcement.md) | |
| 141 | +| API reference | [docs/api.md](./docs/api.md) | |
| 142 | +| Integrity chain | [docs/integrity.md](./docs/integrity.md) | |
| 143 | +| Example run | `npm run example` | |
| 144 | + |
| 145 | +--- |
| 146 | + |
| 147 | +AuthorityLayer is designed as a minimal enforcement primitive — not a platform, dashboard, or governance system. |
| 148 | + |
| 149 | +--- |
| 150 | + |
| 151 | +## License |
| 152 | + |
| 153 | +MIT © 2025 AuthorityLayer Contributors |
| 154 | + |
| 155 | +[GitHub](https://github.com/032383justin/authority-layer) · [npm](https://www.npmjs.com/package/authority-layer) · [Issues](https://github.com/032383justin/authority-layer/issues) |
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