Best Fact Checking Claude Skills & MCP Tools (2026)

verify-and-add-sources

Verifies claims have proper citations, searches for sources if needed, and adds them to references.qmd. Use when making factual claims or adding statistics.

[Fact Checking]

Verify citations and factual claims in long-form content. Checks URLs for accessibility and accuracy, validates quotes, analyzes source credibility, and distinguishes facts from opinions. Use when fact-checking article drafts, validating citations, or reviewing claims before publication.

[Fact Checking]

multi-source-investigation

from poemswe★ 2

Conducts systematic investigations across diverse information sources with cross-validation and credibility assessment. Use when researching complex topics, fact-checking claims, understanding different perspectives, or building comprehensive understanding. Triggers on phrases like "investigate", "verify", "fact check", "cross-reference", "multiple sources", "different perspectives on".

[Fact Checking]

analyze

from poemswe★ 2

Critically analyze content, claims, or arguments with rigorous evaluation.

[Fact Checking]

fact-checking

from axiomantic★ 1

Use when reviewing code changes, auditing documentation accuracy, validating technical claims before merge, or user says "verify claims", "factcheck", "audit documentation", "validate comments", "are these claims accurate".

[Fact Checking]

source-verification

from jamditis★ 1

Journalism source verification and fact-checking workflows. Use when verifying claims, checking source credibility, investigating social media accounts, reverse image searching, or building verification trails. Essential for reporters, fact-checkers, and researchers working with unverified information.

[Fact Checking]

research-and-fact-checker

from codeWithHak★ 1

Performs accurate research and fact-checking using reliable sources. Ideal for validating claims, clarifying complex topics, summarizing findings, and ensuring information accuracy.

[Fact Checking]

critical-biblical-listener

from williacj★ 1

Evaluate sermon content from a biblically literate perspective. Assess theological accuracy, scriptural alignment, and exegetical integrity. Identify where claims may overextend biblical support, misapply context, or import assumptions not evident in the text. Use when reviewing sermons, Bible teachings, or theological content for biblical faithfulness.

[Fact Checking]

biblical-accuracy

from williacj★ 1

Comprehensive biblical accuracy verification for sermons, teachings, and theological content aligned with United Church of God theology. Validates scripture references, quotations, contextual integrity, theological soundness per UCG doctrine, and performs deep linguistic analysis of Greek and Hebrew original language texts to ensure fidelity to biblical meaning. Use when writing or reviewing any biblical, theological, or sermon content.

[Fact Checking]

citation-validator

from yeheng

验证研究报告中所有声明的引用准确性、来源质量和格式规范性。确保每个事实性声明都有可验证的来源，并提供来源质量评级。当最终确定研究报告、审查他人研究、发布或分享研究之前使用此技能。

[Fact Checking]

verify-dark

from DrSatsuma1

Verify dark earthquake claims against fault databases. Use when checking if a candidate earthquake is truly "dark" (unmapped fault) or just pre-historical (known fault). Triggers on "verify dark", "check fault database", "is this dark", "audit earthquake claim".

[Fact Checking]

qa-audit

from Embassy-of-the-Free-Mind

Quality auditor for Source Library. Prioritizes verifying original language texts (not modern translations), auditing metadata accuracy against title pages, USTC alignment, and translation quality. Use for systematic quality control or to identify modern translations that should be replaced with originals.

[Fact Checking]

research-validation

from doanchienthangdev

Multi-source validation framework for technology decisions, best practices verification, and evidence-based implementation

[Fact Checking]

critical-thinking

from spitoglou

Analyze arguments, detect biases, evaluate claims, and improve reasoning. Use when asked to fact-check, identify logical fallacies, evaluate arguments, analyze predictions, find root causes, or think adversarially about plans. Triggers include "evaluate this argument", "logical fallacies", "fact check", "analyze the claims", "identify biases", "devil's advocate", "red team this", "root cause".

[Fact Checking]

research-verified

from ljchg12-hue

전문 검증 검색 - 신뢰도 라벨, 출처 교차 검증, 한국 맥락 최적화

[Fact Checking]

claim-investigation

from jwynia

Systematically investigate social media claims and viral content. Use when fact-checking complex claims, when decomposing multi-part assertions, or when investigating narratives that mix facts with interpretation.

[Fact Checking]

verified-source-db

from ljchg12-hue

검증된 출처 데이터베이스 - 자동 신뢰도 평가 & 출처 추천

[Fact Checking]

batch-report-generator

from chrisklop

Generate GenuVerity fact-check reports from structured input (Gemini research output). Use /batch-report to process research into HTML reports. Optimized for token efficiency - expects pre-researched sources.

[Fact Checking]

critical-feedback

from alexisbeaulieu97

This skill enables honest, pressure-tested feedback on ideas, decisions, and proposals. Use this skill when prompted for an opinion on whether something is a good idea, should be done, or what to think about an approach.

[Fact Checking]

competitive-analysis-quality-assurance

from SeanECurrie

Systematic fact-checking, source verification, and quality assurance for competitive research deliverables. This skill ONLY activates when explicitly requested - it does not auto-trigger. Use this skill when you explicitly ask to review competitive research, fact-check claims, verify sources, validate consistency, or assess quality of completed analysis documents. Example requests that activate this skill "review this competitive analysis", "fact-check these findings", "verify the sources", "quality check this report", "are these claims accurate", or "validate this analysis".

[Fact Checking]

fact-checking-self-assessment

from Zazzles2908

Provides automated fact-checking, quality assessment, and self-validation capabilities for AI outputs. Use this skill when you need to verify factual claims, assess implementation quality, or ensure outputs meet production standards before delivery.

[Fact Checking]

blog-fact-checking

from fgrehm

Verify claims against referenced sources. Checks if blog content accurately represents external resources, APIs, or documentation.Trigger phrases: "fact check", "verify", "check claims", "verify claims", "check sources", "verify sources"

[Fact Checking]

research-fact-checker

from akbarfarooq2006

Research topics, verify facts, check historical accuracy, and validate technical details. Use when writing non-fiction, historical fiction, or any content requiring factual accuracy.

[Fact Checking]

research-fact-checker

from AbdulSamad94

Assists authors in researching topics, verifying facts, and ensuring accuracy in their writing. Particularly useful for historical fiction, non-fiction, science fiction, and any genre requiring real-world accuracy. Use when the user needs help with research or fact-checking.

[Fact Checking]

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