ao92265/claude-observatory

Claude Observatory is a local-first toolkit for observability and automated optimization of Claude Code projects. It targets developers and teams embedding Claude Code who need visibility into hook/tool activity and actionable cost/behavior fixes without sending data off-machine. Key features: - HealthDoctor: a drop-in shim that logs every hook, tool call, stdio and timing into a local SQLite store; provides a terminal TUI and a web UI (FastAPI) for live timelines, filtering, and raw JSON inspection. Installable/uninstallable and fail-safe. - HealthCheck: deterministic rules engine that reads JSONL transcripts and emits ranked suggestions (unused tools, opus-costs, low cache-hit, weak CLAUDE.md, high tool concentration), with confidence, projected savings, diffs, A/B test harness, and optional auto-PR creation. - Architecture: robust JSONL parser, WAL-mode SQLite for concurrent access, pure rules; privacy-first (no telemetry).

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