JetBrains

Fidelity Check — Design agent for Claude Code

Design community

Phase 4 per-round fidelity check for design-final.md: matches the final design against the step and track episodes, PSI for the diagram/signature/no-episode-trace residual; reads no research log.

How to install Fidelity Check

Installs to ~/.claude/agents/jetbrains-youtrackdb-fidelity-check.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/JetBrains/youtrackdb/HEAD/.claude/agents/fidelity-check.md -o ~/.claude/agents/jetbrains-youtrackdb-fidelity-check.md

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

What Fidelity Check does

name: fidelity-check description: "Phase 4 per-round fidelity check for `design-final.md`: matches the final design against the step and track episodes, PSI for the diagram/signature/no-episode-trace residual; reads no research log. Runs in place of the absorption check on the phase4-creation dual-clean loop. Spawned by edit-design." tools: Read, mcplocalhost-6315* model: sonnet

Reading workflow files (TOC protocol)

When you Read any file under `.claude/workflow/` or `.claude/sk

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