Evidence Add is a community-contributed Claude Code skill in the research-methods sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/evidence-add/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when gathering facts for research tasks, saving claims for final answers, or building citation chains.
The Evidence Add Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. 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).
mkdir -p ~/.claude/skills/evidence-add curl -L https://claudskills.com/skills/evidence-add/SKILL.md \ -o ~/.claude/skills/evidence-add/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/evidence-add/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/evidence-add/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\evidence-add\SKILL.md on Windows. See the full install guide for step-by-step instructions.
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.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Browse all Science & Research skills in the ClaudSkills registry, or explore these other picks from the same category:
Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel
SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.