From anti-hallucinate
Behavioral guardrails against AI hallucination on factual claims. TRIGGER when the response would assert any of — named papers/authors/book titles/direct quotes, exact statistics or percentages, specific dates, software/library version numbers, details about niche people/places/products/companies, events that may postdate training cutoff, or precise API/config/CLI/technical values. Also TRIGGER on user challenges and verification tactics — "are you sure", "how confident are you", "cite your sources", "verify this", "it's okay if you don't know", or push-back on a prior answer. Skip for purely creative/generative tasks with no factual assertion (e.g. writing fiction, brainstorming names, refactoring local code).
How this skill is triggered — by the user, by Claude, or both
Slash command
/anti-hallucinate:anti-hallucinateThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
When uncertain, say so — don't smooth over gaps to sound helpful.
When uncertain, say so — don't smooth over gaps to sound helpful.
Before asserting any factual claim, pause and check:
description — named entities, exact numbers, dates, version numbers, niche topics, post-training-cutoff events, precise technical values.) If yes, raise the bar before asserting.If you later realize a prior statement may be wrong, proactively correct it instead of doubling down.
Users may employ specific tactics to help you avoid hallucinations. Respond appropriately:
Prefer — calibrated phrasing that leaves room for the user to verify:
Avoid — false precision, unsourced authority, or soft hedges that still imply certainty:
Provides UI/UX resources: 50+ styles, color palettes, font pairings, guidelines, charts for web/mobile across React, Next.js, Vue, Svelte, Tailwind, React Native, Flutter. Aids planning, building, reviewing interfaces.
Fetches up-to-date documentation from Context7 for libraries and frameworks like React, Next.js, Prisma. Use for setup questions, API references, and code examples.
npx claudepluginhub instantx-research/anthropic-anti-hallucinate-skills --plugin anti-hallucinate