AI tool comparison
Ferretlog vs RealStars
Which one should you ship with? Here is the side-by-side panel verdict, pricing read, reviewer split, and community vote comparison.
Developer Tools
Ferretlog
git log for your Claude Code agent runs — local, zero dependencies
50%
Panel ship
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Community
Free
Entry
Ferretlog is a zero-dependency pure Python CLI that treats your Claude Code session logs like a git repository. It parses the raw JSONL logs in `~/.claude/projects/` and gives you git-style history browsing, diff between runs, per-tool-call breakdowns, and cost/token stats — entirely locally, with no network calls and no configuration required. If you've been using Claude Code heavily, you've likely experienced the frustration of losing track of what changed across sessions, what tools were called how many times, and how much each session actually cost across sub-agent calls. Ferretlog makes that history explorable and comparable the same way `git log` makes code history explorable. This is an indie solo project from Eitan Lebras, submitted as a Show HN. It's genuinely useful as a power-user tool for anyone doing serious Claude Code work, especially those managing multi-session agent pipelines where debugging "what did the agent do last time?" is a real pain. The zero-dependency, local-only design means there's no trust surface and no setup friction.
Developer Tools
RealStars
Detects fake GitHub stars using CMU research — A to F repo scoring
75%
Panel ship
—
Community
Free
Entry
RealStars is an open-source Chrome extension and Claude Code plugin that detects fake GitHub stars using heuristics derived from CMU's StarScout research (ICSE 2026). It scores repositories A through F based on fork-to-star ratios, stargazer account age, and profile quality signals — the same indicators CMU used to identify 6 million fake stars across 18,617 repositories. The tool integrates directly into the GitHub UI via Chrome extension, overlaying a score badge on any repository page. The Claude Code plugin variant lets developers query star authenticity from their coding environment without leaving the terminal. Both interfaces surface the top suspicious stargazer accounts and flag coordinated star-farming patterns. With AI tool directories and marketplaces increasingly gamed by star inflation, RealStars solves a real credibility problem. A developer evaluating which observability library to trust, or a VC doing diligence on an open-source startup, now has a browser-native smell test for repo legitimacy.
Reviewer scorecard
“If you run Claude Code daily, you need this immediately. Being able to diff two sessions like git commits and see exactly which tools fired and what they cost is something that should have existed from day one. Zero-dependency Python means it just works.”
“This should be built into GitHub natively, but until Microsoft acts, install this immediately. The CMU research backing gives the heuristics credibility beyond vibes. The Claude Code plugin integration is thoughtful — checking star quality while you're evaluating a dependency is exactly the right moment.”
“This is a niche tool for a niche user (heavy Claude Code power users) and the session log format Anthropic uses is undocumented and could change at any update. Tying workflows to internal log parsing is fragile infrastructure — treat it as a convenience, not a dependency.”
“The heuristics will produce false positives on legitimate viral projects where normal users created accounts just to star something they loved. An A–F grade feels authoritative but masks real uncertainty. And anyone sophisticated enough to buy fake stars will adapt quickly to evade static heuristics.”
“Agent observability tooling built by the community, not the vendor, is how this ecosystem will mature. Ferretlog is primitive but it points at a real gap: we need git-style versioning and auditability for agent sessions, not just for code.”
“Star authenticity is a canary for a broader problem: as AI lowers the cost of creating convincing fake social proof, we need CMU-style adversarial auditing tools for every credibility signal on the internet. RealStars is the first practical implementation of this principle for one important domain.”
“Terminal-only, Claude Code-specific, no visuals — this tool exists entirely outside my workflow. The underlying insight (session replay and cost tracking) is useful, but it needs a UI before it reaches anyone outside the developer community.”
“For content creators who recommend tools, RealStars protects reputation. Recommending a hyped repo that turns out to be star-farmed is an embarrassing mistake. The browser overlay means the check happens passively — no extra workflow step.”
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