Forkcast Today #19: ECC, skills, diagram-design, hermes-agent, skills, opencode, humanizer

Episode Summary#

Episode 19 covers 18 trending open-source projects including agent harnesses and skill catalogs from ECC, Matt Pocock, OpenAI, HumanLayer, and Hermes; OpenCode and Ruflo for coding and multi-agent workflows; LLVM compiler infrastructure; local inference, voice dictation, scientific research, marketing, no-signup tools, autonomous trading, and Stremio streaming.

Repositories Covered#

ECC#

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond. 252K stars, 37.8K forks, 2,631 commits, 340+ contributors. 284+ skills across security, DevOps, languages, frameworks. JavaScript 70.9%, Rust 20.9%. Works with Claude Code, Codex, OpenCode, Cursor. MIT license.

skills#

Skills for Real Engineers. Straight from Matt Pocock’s .agents directory. Battle-tested agent skills for code review, merge conflicts, wizards, and interviewing. 255K stars, 21.5K forks, 459 commits, 101 branches. Skills across productivity, code quality, engineering. Compatible with Claude Code, Codex, Cursor. MIT license.

diagram-design#

38 editorial diagram types for Claude Code, Codex, and Pi. Self-contained HTML + SVG. No shadows. No Mermaid slop. 32.8K stars, 2.1K forks, 146 commits, 40 contributors. HTML 65.4%, Python 34.6%. Plugin manifests for Claude Code, Codex, Factory. Auto-update via native marketplaces. v2.6.17.

hermes-agent#

The agent that grows with you. Persistent agent harness from Nous Research with local-first memory, cross-platform support, and growing personality. 243K stars, 49.9K forks, 32,271 commits, 2,866 contributors. Python 72.7%, TypeScript 24.5%. Local-first memory, 45MB footprint. Cross-platform. Apache 2.0.

skills#

Skills Catalog for Codex. Agent Skills are folders of instructions, scripts, and resources that AI agents can discover and use. Write once, use everywhere. 25.7K stars, 1.7K forks, 114 commits, 19 branches. System, curated, and experimental skill categories. Now deprecated in favor of OpenAI Plugins repo. agentskills.io open standard.

opencode#

The open source coding agent. Full-featured terminal coding agent with multi-provider support, MCP tools, and agent capabilities. 205K stars, 26.8K forks, 15,692 commits, 1,725 branches, 1,101 tags. Supports multiple LLM providers. MCP tool integration. MIT license. opencode.ai.

humanizer#

Agent skill that removes signs of AI-generated writing from text. 25 patterns ordered by strength, with before/after examples. 44.5K stars, 3.7K forks, 75 commits, 233 watchers. 25 rewrite patterns with one account. Covers em-dashes, passive voice, deeper-truth claims, announcements. v2.11.0. MIT license.

llvm-project#

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. 40.3K stars, 18.6K forks, 595,888 commits, 6,244 contributors, 1,093 branches, 325 tags. LLVM 41%, C++ 30.1%, C 12.2%. Covers Clang, LLD, Lldb, BOLT, MLIR. Apache 2.0 with LLVM exception.

ponytail#

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote. 130K stars, 7K forks, 213 commits, 39 branches, 15 tags. JavaScript 62.1%, Python 37.4%. Works with Claude Code, Codex, Cursor, Qoder. v4.9.0. /ponytail-debt command. MIT license.

ruflo#

The original agent meta-harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Adaptive memory, self-learning intelligence, RAG integration. 71.1K stars, 8.4K forks, 7,409 commits, 536 branches, 1,636 tags. SmartRetrieval MMR, embedding-cosine search. Claude Code, Codex, Hermes integration. MIT license.

magnitude#

Open source inference server that runs the best local models for your hardware, plugged into the agent you already use. Works with Pi, OpenCode, Hermes, Codex, Claude Code. 3.9K stars, 277 forks, 618 commits, 16 branches, 47 tags. Auto-selects best model for your hardware. GGUF support. Works offline. Apache 2.0. magnitude.dev.

FckSignups#

A curated list of tools that are open-source, in-browser, and require no signups. 200+ tools across categories. 3.5K stars, 214 forks, 227 commits, 1 branch. Featured tools section for unique quality picks. Web app with search and filtering. GPL-3.0. nosignups.net.

marketingskills#

Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering. 25+ skills across 10 categories. 47.7K stars, 7.4K forks, 473 commits, 36 branches, 45 tags. Skills: ai-seo, cro-audit, growth-engineering, copywriting, sales-enablement. MIT license. marketing-skills.com.

open-science#

Open-source, local-first, model-agnostic AI research workbench for macOS, Windows, and Linux. Scientific agents, Python/R notebooks, data connectors, and reproducible provenance. 4K stars, 244 forks, 2,019 commits, 7 branches, 53 tags. TypeScript 98%. Cross-platform Electron app. Python/R notebook support. Data connectors. Reproducible provenance tracking.

openwhispr#

Voice-to-text dictation app with local (Nvidia Parakeet/Whisper) and cloud models (BYOK). Privacy-first and available cross-platform. 7.7K stars, 941 forks, 2,140 commits, 136 branches, 92 tags. JavaScript 60.1%, TypeScript 35%. Local Nvidia Parakeet/Whisper. BYOK cloud providers including Gemini. Cross-platform. MIT license.

skills#

Claude Code skills from HumanLayer. Skills for improving CLAUDE.md, narrowing React prop types, building agentic loops, and designing control loops. 3.3K stars, 98 forks, 12 commits, 4 branches. Skills: improve-claude-md, narrow-react-prop-types, build-iterated-agentic-loop, design-control-loop, show-me. MIT license.

AutoHedge#

Build your autonomous hedge fund in minutes. AutoHedge harnesses swarm intelligence and AI agents to automate market analysis, risk management, and trade execution. 4.9K stars, 784 forks, 37 commits, 10 branches. Python 100%. Swarm intelligence for market analysis. Risk management agents. Trade execution automation. MIT license.

stremio-web#

Stremio - Freedom to Stream. Open-source media streaming platform with addon support, PWA capabilities, and cross-device sync. 13.6K stars, 1.6K forks, 6,770 commits, 90 branches, 66 tags. JavaScript 44.9%, TypeScript 28.9%. PWA support. Docker deployment. Addon ecosystem. GPL-2.0.

Watch#

• Video: https://www.youtube.com/watch?v=qZFQUA1Yn-Q
• Cover: https://i.ytimg.com/vi/qZFQUA1Yn-Q/hqdefault.jpg

Notes#

Transcript and notes will be added from Forkcast output artifacts.