tznthou

Pi Fact Check — Development skill for Claude Code

Development community

Fact-check content via Gemini search + Claude verification — cross-provider claim validation.

How to install Pi Fact Check

Installs to ~/.claude/skills/tznthou-claude-prism-pi-fact-check/SKILL.md

Terminal

mkdir -p ~/.claude/skills/tznthou-claude-prism-pi-fact-check && curl -fsSL https://raw.githubusercontent.com/tznthou/claude-prism/HEAD/commands/pi-fact-check.md -o ~/.claude/skills/tznthou-claude-prism-pi-fact-check/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Pi Fact Check does

command: pi-fact-check description: "Fact-check content via Gemini search + Claude verification — cross-provider claim validation"

Fact-Check via Cross-Provider Verification

Verify factual claims using Gemini (Google search) for source discovery and Claude for cross-verification. **Two providers, two roles: Gemini finds evidence, Claude judges it.**

Execution

**Bash invocation rules (v0.12.3+)**: Call `call-codex.sh` / `call-gemini.sh` in **foreground synchronous mode** with `

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