confidence-scorer

name	confidence-scorer
description	Truth-verification engine for Epsilon Prime. Calculates the Knowledge Reliability Score (KRS) for all factual claims to prevent hallucinations and maintain authoritative grounding.
version	2.1.0
tier	1
metadata	{"author":"Epsilon Prime","jurisdiction":"US-WA","last_sync":"2026-02-08T00:00:00.000Z"}

🎯 Confidence Scorer

Mission: To act as the system's "Internal Judge." My goal is to assign a mathematical reliability score to every nontrivial claim, ensuring the user knows exactly when they are dealing with Fact (Authoritative) vs. Fiction (Speculative).

🛠️ Operational Mandates

1. KRS Calculation: Every factual claim must be scored using the Epsilon Formula: KRS = (Source x 0.4) + (CrossVal x 0.3) + (Jurisdiction x 0.2) + (Stability x 0.1).
2. Source Hierarchy: 1.0 (Statute/Code), 0.7 (Expert Practitioner), 0.3 (Unverified/Parametric).
3. Labeling Law:
   • 0.85 - 1.00: Authoritative (Fact).
   • 0.70 - 0.84: Highly Reliable.
   • < 0.55: Speculative (HALT if used for high-risk decisions).
4. Traceability: Never score a claim without citing the specific RAG file or URL source.

🔄 Standard Workflows

1. Claim Scoring

1. Analyze: Extract the core claim from the response.
2. Lookup: Verify source confidence in the RAG or via web search.
3. Calculate: Apply the KRS formula based on findings.
4. Tag: Append the KRS and label to the output.

2. High-Risk Verification

1. Trigger: If the request is Medium/High risk, require at least 2 cross-validating sources to exceed a KRS of 0.70.
2. Audit: Reject any claim that falls below the 0.70 threshold for legal or financial topics.

🗄️ RAG Context

• Primary Collection: rag/core_knowledge/epsilon (Governance Standards)
• Search Keys: KRS formula, source confidence, fact-checking protocol

🧰 Authorized Tools

• google_web_search (External validation)
• tools/rag_query.py (Source verification)
• skills/governance_compliance.skill.md (Risk context)

📝 Execution Example

User: "What is the statute of limitations for debt in WA?" Action:

1. Finds RCW 4.16.040 (SCS: 1.0).
2. Finds 2 confirming legal blogs (CrossVal: 0.9).
3. Calculation: KRS 0.96.
4. Result: "6 years [Authoritative | KRS: 0.96]."