GitHub Trending Weekly

GitHub Repo Briefing

Twelve weekly trending repositories, summarized by what they do and how to test them
June 13, 2026
Issue 08
01
Agent Ops

last30days-skill

mvanhorn/last30days-skill

An agent skill that searches recent Reddit, X, YouTube, Hacker News, GitHub, and other sources, then produces a time-bounded summary with links.

40,945
Stars total / Python
12,257 stars this week

A first test

Run /last30days for one narrow topic and record the search date. Open several source links, remove duplicate claims, and label anything the sources do not confirm.

02
Infrastructure

container

apple/container

A macOS command-line tool for running Linux containers inside lightweight virtual machines on Apple Silicon, with OCI images and isolated networking.

35,919
Stars total / Swift
7,781 stars this week

A first test

Run container system start and container run --rm alpine echo hello. Check volume, network, and cleanup behavior before placing a build or agent task inside it.

03
Agent Ops

pm-skills

phuryn/pm-skills

A set of product-management skills and commands for discovery, strategy, planning, execution, launch, and growth workflows.

17,470
Stars total / None
4,839 stars this week

A first test

Install one skill and apply it to a real but low-risk feature. Compare its problem statement, acceptance criteria, and launch checks with your existing brief before adopting more commands.

04
Infrastructure

headroom

headroomlabs-ai/headroom

A library, proxy, and MCP server that compresses tool output, logs, files, and retrieval chunks before they reach an LLM.

25,681
Stars total / Python
10,184 stars this week

A first test

Run it on a captured tool response and compare the original and compressed text. Measure whether key fields survive, then add a regression test before using it in an agent loop.

05
Security

SkillSpector

NVIDIA/SkillSpector

A security scanner for agent skills that checks for prompt injection, data exfiltration, unsafe commands, and supply-chain risks before installation.

4,048
Stars total / Python
2,616 stars this week

A first test

Install it with uv tool install and scan one skill directory. Read each finding, reproduce the flagged path, and block the skill until its network and file actions are understood.

06
Agent Ops

agent-skills

addyosmani/agent-skills

A pack of 24 workflow skills for definition, planning, implementation, testing, review, performance, simplification, and release work in coding agents.

57,826
Stars total / JavaScript
8,340 stars this week

A first test

Install the pack with npx skills add addyosmani/agent-skills. In one real repo, run /spec, /plan, and /test on a small change, then keep it if the outputs provide useful evidence.

07
Agent Ops

Agent-Reach

Panniantong/Agent-Reach

A command-line skill that gives agents access to web pages and services such as X, Reddit, YouTube, GitHub, Bilibili, and Xiaohongshu through fallback backends.

27,161
Stars total / Python
5,364 stars this week

A first test

Install it and fetch one public post from one supported service. Check the returned URL, timestamp, and text against the source before using it in a report.

08
Open Source

plugins

openai/plugins

OpenAI's repository of Codex plugin specifications, manifests, examples, and reference implementations for extending an agent with reusable capabilities.

2,942
Stars total / JavaScript
1,435 stars this week

A first test

Read one .codex-plugin/plugin.json and run its smallest example. Check the declared tools and permissions against the implementation before installing it in a working project.

09
Agent Ops

taste-skill

Leonxlnx/taste-skill

A design-review skill for agent workflows that covers layout, typography, motion, image use, and checks for generic or repetitive interface output.

42,845
Stars total / JavaScript
8,651 stars this week

A first test

Install it and review one existing screen. Ask for three concrete changes, implement one, and compare the result at desktop and mobile widths before keeping the skill.

10
Open Source

markitdown

microsoft/markitdown

A Python tool that converts office files, PDFs, images, audio, HTML, and other formats into Markdown while preserving useful document structure.

152,509
Stars total / Python
6,967 stars this week

A first test

Install it and convert one sample DOCX and PDF. Compare headings, tables, links, and missing content with the originals before using the Markdown for search or analysis.

11
Productivity

tolaria

refactoringhq/tolaria

A desktop application for browsing and editing Markdown knowledge bases with local files and a focused note-taking interface.

16,029
Stars total / TypeScript
3,471 stars this week

A first test

Open a copy of one Markdown folder and edit one note. Check links, front matter, and the saved file on disk before pointing the app at the real knowledge base.

12
Data & Research

open-notebook

lfnovo/open-notebook

A self-hosted, private notebook that collects sources and lets you research them with several model providers. It is designed as a local alternative to hosted notebook tools.

29,933
Stars total / TypeScript
3,848 stars this week

A first test

Start it with the documented Docker Compose setup and create the encryption key. Add one public source, inspect the stored files, and test a backup before importing private notes.

End of Issue
Check the links. Test one repo.
GitHub Trending Weekly / Issue 08
Generated by Codex from SnailDev github-hot-hub weekly archive: https://raw.githubusercontent.com/SnailDev/github-hot-hub/main/archives/2026-06-13.md