The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
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May 3, 2026 - JavaScript
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developer-tools
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Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
javascript git testing graphql-client automation opensource rest-api http-client openapi api-client developer-tools testing-tools api-testing openapi3
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May 4, 2026 - JavaScript
Automated auditing, performance metrics, and best practices for the web.
web pwa chrome-devtools best-practices audit performance-metrics developer-tools performance-analysis
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May 4, 2026 - JavaScript
Console for mobile browsers
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Aug 1, 2025 - JavaScript
45 tips for getting the most out of Claude Code, from basics to advanced - includes a custom status line script, cutting the system prompt in half, using Gemini CLI as Claude Code's minion, and Claude Code running itself in a container. Also includes the dx plugin.
cli productivity ai developer-tools tips-and-tricks claude claude-ai agentic agentic-workflow agentic-ai claude-code agentic-coding
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Apr 29, 2026 - JavaScript
A dedicated scratchpad for power users
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May 3, 2026 - JavaScript
This GitHub repo is a powerhouse collection of APIs you can start using immediately to build everything from simple automations to full-scale applications. One of the most valuable API lists on GitHub—period. 💪
real-estate api open-source ecommerce automation social-media mcp artificial-intelligence web-scraping developer-tools awesome-list data-collection api-directory lead-generation apify public-apis api-list developer-resources ai-tools api-collection
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Jan 27, 2026 - JavaScript
Search UI components for React and Vue
react search elasticsearch vue react-components vue-components developer-tools searchbox ui-components data-components hacktoberfest reactive-search reactivesearch live-demos search-ui reactivesearch-api hacktoberfest2022
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Aug 29, 2025 - JavaScript
♾️ CML - Continuous Machine Learning | CI/CD for ML
cli data-science machine-learning continuous-integration continuous-delivery ci gitlab-ci ci-cd developer-tools cicd hacktoberfest bitbucket-pipelines github-actions
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Jun 2, 2025 - JavaScript
A scriptable scratchpad for developers. In slow yet steady progress.
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Jun 30, 2024 - JavaScript
🎨 React application prototyping tool for developers and designers 🏗️
electron react redux javascript konva architecture redux-thunk desktop-application prototyping developer-tools proto design-tools front-end-development konvajs react-konva
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Dec 8, 2022 - JavaScript
Stackryze Domains: Free Domain for Everyone, Claim yours today.
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May 3, 2026 - JavaScript
Puppeteer example scripts for running Headless Chrome from Node.
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Oct 1, 2020 - JavaScript
Visualization tool for React, with support for Fiber, Router (v4), and Redux
react redux visualization javascript chrome react-router reactjs react-component react-redux developer-tools component-hierarchy hacktoberfest hacktober react-fiber react-router-v4
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Jan 6, 2023 - JavaScript
Claude Code Skill for browser automation with Playwright. Model-invoked - Claude autonomously writes and executes custom automation for testing and validation.
nodejs automation developer-tools browser-automation claude web-testing e2e-testing playwright ai-tools claude-code claude-skills claude-plugin model-invoked
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Dec 19, 2025 - JavaScript
A developer tool to visualize a React application's component hierarchy.
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May 9, 2017 - JavaScript
Headless Chromium-based web performance metrics collector and monitoring tool
javascript css jquery automation dom metrics http2 chromium developer-tools webperf phantomas http3 domquery webperformance headless-chrome puppeteer
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Apr 20, 2026 - JavaScript
Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.
productivity hooks workflow developer-tools cursor codex ai-agents claude self-correction worktrees ai-workflow gemini-cli ai-coding agent-orchestration claude-code context-engineering claude-code-plugin claude-skills claude-code-skills
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Apr 26, 2026 - JavaScript
A CLI React performance optimization tool that identifies potential unnecessary re-rendering
react javascript testing commandline npm component reactjs optimization react-component npm-package chromium npm-module developer-tools testing-tools commandline-interface react-devtools command-line-interface puppeteer
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Mar 23, 2018 - JavaScript
A really simple way to move a function or class to a web worker. 🏋️♀️→ 😄
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Jul 20, 2022 - JavaScript
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