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Hacker News: Show HN

PurrrrrFocus: Pomodoro Timer App - App Store Workflow Engine — Multi-Step Orchestration for Bun RapidPhoto: Pro Photo Editor App - App Store GitHub - DheerG/swarms: Achieve extraordinary results with claude code across a variety of tasks SPICE simulation → oscilloscope → verification with Claude Code — Lucas Gerads Show HN: VCoding – A 5 MB native Windows IDE with no dynamic dependencies Show HN: LLMs don't hallucinate because they're bad at math, it's the format GitHub - Agent-FM/agentfm-core: AgentFM is a peer-to-peer network that turns everyday computers into a decentralized AI supercomputer. AgentFM lets you run massive AI workloads directly across a global mesh of idle CPUs and GPUs. Show HN: Tracking Top US Science Olympiad Alumni over Last 25 Years GitHub - Potarix/agent-hub: One place to talk to all your agents Show HN: Runtime security for AI agents(injection,tool abuse, data exfiltration) GitHub - dubeyKartikay/lazyspotify: Terminal Spotify client for macOS and Linux GitHub - the-banana-tool/king-louie: Easy to use GUI Personal AI Assistant. Win/Linux/Mac. Show HN I made my vacation rental bookable by AI agents–no Airbnb, 0% commission GitHub - basteez/jsf-autoreload: maven plugin to enable hot reload on jsf projects uvm32/hosts/host-gdbstub at main · ringtailsoftware/uvm32 GitHub - labsai/EDDI: Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus. GitHub - glitchnsec/fortyone-oss: AI Executive Assistant Platform Quickstart | Alien GitHub - muxshed/shed: One stream in, or many. Every destination, simultaneously. No cloud middleman, no per-channel fees, no limits. GitHub - ocrbase-hq/ocrbase: 📄 PDF/IMG ->.MD/JSON Document OCR API for PaddleOCR and GLMOCR. Self-hostable. GitHub - impactjo/home-memory: MCP server that lets your AI assistant remember everything about your home. GitHub - Sets88/dbcls: DbCls is a powerful terminal database client that supports various databases GitHub - neptun2000/heor-agent-mcp GitHub - SeanFDZ/macmind: Single-layer transformer in HyperTalk for the classic Macintosh RollQuation: Math Puzzles - Apps on Google Play GitHub - dropbox/witchcraft Show HN: Agent-cache – Multi-tier LLM/tool/session caching for Valkey and Redis GitHub - opentalon/opentalon: OpenTalon is an open-source platform built from the ground up in Go as a robust alternative to OpenClaw LinkedIn™ 职位抓取工具 - Chrome 应用商店 GitHub - EdoardoBambini/Agent-Armor-Iaga: AI agents are getting tool access — shell, file system, databases, APIs, secrets. But **nobody is governing what they actually do with it**. Frameworks like LangChain, CrewAI, AutoGen, and Claude Code give agents the power to execute. Agent Armor gives you the power to control, audit, and approve every single action before it happens. HN Vibes — Week 15, Apr 7–13 2026 GitHub - chojs23/ec: Easy terminal-native 3-way git mergetool vim-like workflow GitHub - SethPyle376/hiraeth: Local AWS emulator focused on fast integration testing, with SQS support, SQLite-backed state, and a debug-friendly web UI. GitHub - JakOb-dotcom/cloud-sandbox-security-analysis: Technical analysis and Proof of Concept (PoC) regarding environment variable exfiltration in containerized cloud sandboxes via side-channel data leaks. Springboards - Flint Alpha Show HN: A simpler coding agent harness GitHub - audiodude/sudomake-friends GitHub - 256thFission/mini-mythos: OSS clone of Anthropic’s Mythos harness to locate C/C++ memory vulnerabilities Show HN: OpenParallax: OS-level privilege separation for AI agent execution Hacker News Sorted - Chrome 应用商店 Show HN: How to Install Docker on Ubuntu 24.04 LTS: Complete 2026 Guide GitHub - himanshudongre/smriti GitHub - sverrirsig/claude-control: macOS desktop dashboard for monitoring and managing multiple Claude Code sessions GitHub - ory/dockertest: Write better integration tests! Dockertest helps you boot up ephermal docker images for your Go tests with minimal work. Chiral - Chrome 应用商店 Show HN: Two Claudes collaborating through shared memory on a $100 mini-PC GitHub - pmichaillat/latex-cv: Minimalist LaTeX template for academic CVs GitHub - oguzbilgic/posse: A web UI for Anthropic Managed Agents. GitHub - sshiraz/depsly: Dependency risk analysis tool for npm packages ABI Add safari/agent-harness — Safari browser automation via safari-mcp by achiya-automation · Pull Request #212 · HKUDS/CLI-Anything GitHub - Halfblood-Prince/trustcheck: Verify PyPI package attestations and improve Python supply-chain security GitHub - oguzbilgic/kern-ai: Agents that do the work and show it. GitHub - bruits/satteri: High-performance Markdown and MDX processing for the JavaScript ecosystem GitHub - tylergibbs1/feedstock: High-performance web crawler and scraper for TypeScript, powered by Bun and Playwright GitHub - Grimm67123/grimmbot: The self-improving sandboxed and open-source AI agent. With persistent memory and scheduling. GitHub - whitevanillaskies/whitebloom: Local whiteboard that blooms. GitHub - hwdsl2/docker-whisper: Docker image for a self-hosted Whisper speech-to-text server with speaker diarization and OpenAI-compatible transcription and translation APIs. Powered by faster-whisper. Supports all Whisper models, NVIDIA GPU (CUDA) acceleration, JSON/SRT/VTT output, SSE streaming, offline mode, and multi-arch (amd64, arm64). GitHub - yisding/reviewwiggum GitHub - MarwanAlsoltany/serrors: Structured errors for Go: sentinel hierarchies, typed data, custom formatting, and slog integration. GitHub - soatok/age-php GitHub - Luthiraa/markitme GitHub - stagas/rtdiff: realtime git diff gui and AI-assisted commits GitHub - tombedor/excalicharts GitHub - wh1le/excalidraw-edit: Open and edit .excalidraw files from the terminal. Offline, auto-saves to disk. MalExt Sentry - Malicious Extension Scanner - Chrome 应用商店 GitHub - syi0808/asciianimesvg: Generate animated ASCII art SVGs from text. CLI, Rust library, WASM, and web editor. GitHub - zaina-ml/ml_forge: A visual-based graph node editor for training computer vision models. GitHub - anakin87/llm-rl-environments-lil-course: 🌱 A little course on Reinforcement Learning Environments for evaluating and training Language Models GitHub - takaakit/superpowers-uml: Superpowers-UML modifies Superpowers to ensure a software development workflow in which AI agents design through UML modeling. AdriByte Studio - Sviluppo Web e Soluzioni Digitali GitHub - chouligi/angel-copilot: Your personalized Angel Investment Advisor Show HN: MoodSense AI (ML and FastAPI and Gradio, Deployed on Hugging Face) Moodsense Ai - a Hugging Face Space by aman179102 GitHub - agenteractai/lodmem: Level Of Detail Context Management for Agents GitHub - ostefani/subnetlens: A fast, concurrent network scanner with a TUI and plain-text CLI, built in Go. It discovers live hosts on your network, scans their open ports, resolves hostnames, and fingerprints operating systems—delivered. Cyber Pulse: Agentic Intel - Apps on Google Play Whisper API: Self-Hostable Speech to Text Transcription The Agent-Web Protocol Stack: A Research Thesis GitHub - msmarkgu/RelayFreeLLM: A restful API designed to route user prompts to various AI model providers. Show HN: Provepy – A Python decorator that proves your code using Lean and LLMs Show HN: Pardonned.com – A searchable database of US Pardons GitHub - patrickdappollonio/dux: Dux is a terminal UI that lets you run multiple AI coding agents side by side, each in its own git worktree, with full companion terminals, macros, commit generation, and a command palette that knows more tricks than you do. kMC Crystal Simulator Show HN: HyperFlow – A self-improving agent framework built on LangGraph GitHub - stef41/vibescore: 🎵 Grade your vibe-coded project. One command, instant letter grade across security, quality, dependencies, and testing. GitHub - stef41/lmscan: 🔍 Detect AI-generated text and fingerprint which LLM wrote it. Open-source GPTZero alternative. Zero dependencies, works offline. imgur.com GitHub - visionscaper/collabmem: Enabling long-term collaboration with Agentic AI - building up episodic and world model memory over time with in-context awareness 在 Steam 上购买 FriedrichAI: Offline AI 立省 10% GitHub - atripati/ark: AI Runtime Kernel — a context operating system for AI agents. Eliminates tool bloat, loads only what’s needed, and gives LLMs their reasoning space back. GitHub - nowork-studio/toprank: Open-source Claude Code skills for SEO, SEM, Google Ads GitHub - tacomanator/sash: Lightweight macOS menu bar app for reliably cycling through windows of the current application. Appents | Social Media Management for Product-First Teams GitHub - pnhoang/youtube-spam-blocker: Automatically detects and hides spam messages in YouTube Live chat. Set rate limits, keyword filters, and block repeat offenders. GitHub - decisionnode/DecisionNode: CLI + Local MCP - A shared structured memory store across Claude Code, Cursor, Windsurf, Antigravity, and every MCP client. Semantically queryable. GitHub - AvaCodeSolutions/django-email-learning: An open source Django app for creating email-based learning platforms with IMAP integration and React frontend components. The $100K Gap in Kubernetes Security Tooling Function Calling Harness: From 6.75% to 100%
Cut Claude Code Costs ~50% Without Quality Loss | Headroom
gghootch · 2026-05-29 · via Hacker News: Show HN

Cut your Claude Code token costs by ~50%

Headroom is a menu bar app that quietly optimizes the inputs Claude Code gets by trimming prompt bloat, stripping boilerplate, and compressing documents without changing how you work.
This unlocks about 2x as much Claude Code usage on the Claude plan you already pay for.

181 developers using Headroom

11.8B tokens saved, and counting

~$105,997 saved at Claude API rates

Privacy first

Your prompts never touch our servers — everything runs locally on your machine.

Self-contained

Keeps your runtime clean, never interfering with packages your projects depend on.

Fewer tokens, same result

Smart optimization cuts noise before Claude Code sees it, with no impact on the output.

How it works

Less noise in, more Claude out

Headroom intercepts every prompt before it reaches Claude, strips out logs, boilerplate, and repetitive content, then forwards only what the model needs — cutting your token spend by ~50% without impacting output quality.

Your tools

logsHTMLJSONshell

Claude Code

sees only what matters

65.1M

tokens saved per developer, on average

Headroom savings dashboard

Benchmarks

Same results, fewer tokens

Headroom compresses aggressively — but without throwing anything away. Real workloads, real results, measured before and after.

Token savings by scenario

Build log (200 lines) 93.9% saved

148 remaining 2,264 tokens saved

JSON array (100 items) 90.6% saved

297 remaining 2,866 tokens saved

Shell output (200 lines) 85.5% saved

469 remaining 2,769 tokens saved

JSON array (500 items) 83.1% saved

1,614 remaining 7,912 tokens saved

Multi-tool agent (memory leak investigation) 61% saved

6,100 remaining 9,562 tokens saved

Headroom powered savings

Tokens sent after optimization

Quality preserved

Fewer tokens doesn't mean fewer answers. Headroom strips noise — not signal. Every benchmark below ran the same task with and without compression, then compared the outputs.

0.919

HTML extraction F1

181 real web pages (Scrapinghub)

4/4

JSON retrieval

needle-in-haystack, 100 prod logs

+0.02 F1

QA accuracy vs. uncompressed baseline

Stripping HTML noise helped the model focus on relevant content — compression improved results on SQuAD v2 / HotpotQA (+2% exact match).

0%

HTML recall

181 real web pages (Scrapinghub)

Same

Multi-tool agent findings

4-tool session, memory leak task — identical conclusions at 61% fewer tokens

Based on data from the open-source Headroom CLI benchmark suite.

ROI Calculator

See what Headroom saves your team

Headroom costs a fraction of your Claude subscription and delivers roughly twice the usage.

Claude Pro Max ×5 Max ×20

Engineers using Claude Code 10

151025501002505001000

$1,000

Monthly Claude spend

Equivalent extra capacity

$1,000/mo

8× return on Headroom spend — based on ~2× token efficiency from Headroom.

Testimonials

Loved by developers

Pricing

Plans for every Claude tier

Create a Headroom account to unlock your 14-day trial, then choose the plan that matches your Claude tier. Need rollout controls or private deployment? Talk to us about Headroom for teams.

Includes:

  • Unlock cost savings and stats
  • Up to 50% of your weekly limit
  • Optimize Claude Code practices

Everything in Free, plus:

  • Unlimited use with Claude Pro
  • Track sessions across devices
  • Email-based support

Includes:

  • Use with Claude Max x5
  • Track sessions across devices
  • Email-based support

Includes:

  • Use with Claude Max x20
  • Track sessions across devices
  • Priority support

Built on Headroom CLI

Headroom for desktop is built on Headroom CLI.

The Headroom desktop app is based on the open-source Headroom CLI project created by Tejas Chopra.
The desktop app is created with the endorsement and support of Tejas.

Resources

Learn how to lower Claude Code costs

Guides on reducing Claude Code costs, understanding usage limits, and cutting Claude API spend — plus a product FAQ for privacy, quality, and rollout questions.

Cost Guide

How to reduce Claude Code costs

Learn where token waste comes from, which workflows benefit most from compression, and how Headroom helps preserve quality while cutting spend.

Usage Guide

Claude Code usage: what counts and how to get more from your plan

Learn what burns usage fastest, what counts toward your plan, and how to make the same Claude tier last longer.

Why So Expensive

Why is Claude Code so expensive?

The four patterns that drive Claude Code token spend: verbose tool output, repeated context, multi-step debugging, and large codebase reads.

Usage Limits

Claude Code usage limits and the 5-hour window

How the 5-hour rolling window and weekly cap work, what each plan covers, and how to keep coding without immediately upgrading.

Claude API

Reduce Claude API costs in 2026

Practical levers for cutting Claude API spend — prompt caching, model tier routing, output limits, batch API — plus the Claude Code shortcut.

FAQ

Headroom FAQ for Claude Code savings

Get quick answers about local processing, supported platforms, benchmarks, and how to evaluate whether Headroom fits your team.

Ready to try it?

Start with Headroom for free

Install the app, connect your account, and start reclaiming Claude Code usage in minutes.