citation-check-skilllisted
Install: claude install-skill serenakeyitan/citation-check-skill
# Citation & Hallucination Checker v2
Verification tool with vision + web search. Validates every claim against authoritative sources or provided documents. Works with content in any language.
**Design principle:** Deterministic verification. Same input → Same output.
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## Two Verification Modes
### Mode 1: Search Verification (Default)
- Searches web for authoritative sources
- Validates citations actually exist
- Checks if cited sources say what's claimed
- Finds original data for statistics
### Mode 2: Doc-Only Verification
- User provides source document(s)
- EVERYTHING must trace to those docs
- Flags anything that appears to come from external knowledge
- Trigger: "only use this document" / "verify against the PDF only" / "don't search the web"
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## Two-Pass Architecture
**Critical:** Always use two separate passes. Never interleave extraction and verification.
### Pass 1: Extraction Only
1. Read entire document/slides/images
2. Extract ALL claims using the Claim Extraction Rules below
3. Output numbered list: `[claim_id] | [claim_text] | [claim_type] | [location]`
4. **NO verification in this pass**
5. Present extraction to user for confirmation before proceeding
### Pass 2: Verification Only
1. Take Pass 1 output as fixed input
2. Verify each claim_id in sequential order
3. **NO re-extraction allowed** — work only with Pass 1 claims
4. Apply Status Decision Tree to each claim
5. Generate final report
This prevents "discovering new claims" mid-verif