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Hippoagent Validate Claim

Category: General  ·  Sub-category: ai-tooling  ·  Last updated:
ai:agent
Before asserting any verifiable factual claim (year/number/attribution/citation/date), call `hippo_validate_claim(claim)` to check it against persistent memory. Triggers when about to say things like "X was born in YEAR", "Y won the Nobel in YEAR", "Z released VERSION in MONTH", "W said EXACT_QUOTE", "this library/paper/repo is from ORG", or any other claim containing a Capitalized name + a specific year/number/version/org. The tool returns verdict ∈ {supported, contradicted, unknown} + an advice string in Italian (e.g. "in memoria 1987 (fact f_id), NON 2014 — controlla prima di affermare"). If verdict=contradicted, STOP and re-read the evidence_facts; do NOT assert the claim verbatim. If verdict=unknown, hedge ("non ricordo con certezza", "credo ma verifica"). If verdict=supported, proceed. Zero LLM cost (deterministic, sub-100ms). Anti-confabulation gate — born from live confabulations 2026-05-14 (Tonegawa Nobel 1987→2014, Anthropic Skills Oct 2025→Oct 2026, LightRAG HKUDS→HKUST).

From the source SKILL.md

Prima di asserire un fatto verificabile, chiama hippo_validate_claim. È un gate deterministico, zero LLM call, sub-100ms che intercetta i pattern di confabulazione più frequenti: cambio di anno, numero, versione, attribuzione, organizzazione.

What this skill does

Hippoagent Validate Claim is a community-contributed Claude Code skill in the ai-tooling sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/hippoagent-validate-claim/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Hippoagent Validate Claim Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/hippoagent-validate-claim
curl -L https://claudskills.com/skills/hippoagent-validate-claim/SKILL.md \
  -o ~/.claude/skills/hippoagent-validate-claim/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/hippoagent-validate-claim/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/hippoagent-validate-claim/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\hippoagent-validate-claim\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Attribution & license

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