ATSF Framework
Agentic Trust Scoring Framework - The reference implementation of the BASIS standard. Production-ready TypeScript runtime for trust calculation, behavioral scoring, and governance.
Installation
npm install @vorionsys/atsf-coreCore Modules
/trust-engine Behavioral trust calculation with decay and recovery
Why signals decay
Same reason PagerDuty debounces alerts. If the same error fires 50 times in a retry loop, you don't want it counted 50 times. Exponential decay: first signal hits hard, repeats fade (1.0 → 0.5 → 0.25 → floor 0.0625).
/intent Intent classification and processing
/enforce Policy enforcement and decision gates
The thermostat problem
Your thermostat doesn't flip between heating and cooling every tenth of a degree. There's a dead zone so the system doesn't thrash. Same with trust tiers — hysteresis bands [25, 25, 20, 20, 15, 10, 10, 10] create buffer zones. Wider at bottom tiers (new agents fluctuate more), tighter at top (trusted agents are stable).
/proof Audit trail and decision provenance
/cognigate Fastify server for runtime API
/basis Rule parser and evaluator
/persistence Memory, file, and Supabase adapters
/langchain LangChain integration tools
Quick Start
import {
TrustEngine,
IntentService,
EnforcementService,
createServer
} from '@vorionsys/atsf-core';
// Create core services
const trustEngine = new TrustEngine({
gainRate: 0.05,
failureThreshold: 0.3,
successThreshold: 0.7,
});
const intentService = new IntentService();
const enforcement = new EnforcementService(trustEngine);
// Start the Cognigate API server
const server = await createServer({
trustEngine,
intentService,
enforcement,
});
await server.listen({ port: 3000 });
console.log('Cognigate running on http://localhost:3000');