observability-oss

Coverage Gaps — Development skill for Claude Code

Development community

Find production behaviors that have no evaluation measuring them, and prioritize which judges to build.

How to install Coverage Gaps

Installs to ~/.claude/skills/observability-oss-progress-observability-plugin-coverage-gaps/SKILL.md

Terminal

mkdir -p ~/.claude/skills/observability-oss-progress-observability-plugin-coverage-gaps && curl -fsSL https://raw.githubusercontent.com/observability-oss/progress-observability-plugin/HEAD/commands/coverage-gaps.md -o ~/.claude/skills/observability-oss-progress-observability-plugin-coverage-gaps/SKILL.md

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

What Coverage Gaps does

description: Find production behaviors that have no evaluation measuring them, and prioritize which judges to build. argument-hint: [optional service or focus, e.g. "checkout-agent"]

Use the `coverage-gaps` skill.

Focus: $ARGUMENTS

Characterize recent traffic with `list_observations` (metadata only, within 72h), inventory existing judges with `list_evaluation_tasks`, diff behaviors against the failure modes that would catch their faults, and rank the gaps by volume × blast-radius. Rep

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