What's trending on GitHub today: Oct 17, 2026

anthropics/claude-plugins-official is rank 1 on GitHub for October 17, 2026, snapshot 08:01:39.006720, at 40955 stars after 39545 on October 16. morluto/rea, yesterday's rank 1 at 278867 stars, is gone. Three new official catalogs enter: HKUDS/CLI-Anything at rank 4 with 53667 stars, android/skills at rank 7 with 8171 stars, and cursor/plugins at rank 9 with 12101 stars. affaan-m/ECC jumps from rank 10 to rank 3.

anthropics/claude-plugins-official
Official plugin directory at rank 1 after rank 2, up 1. GitHub lists 40955 stars, 4423 forks, and a 2025-11-20 create date. The description calls it the Anthropic-managed directory of Claude Code plugins. Star count is up 1410 from 39545 yesterday.
K-Dense-AI/scientific-agent-skills
Science-skills library at rank 2 after rank 3, up 1. GitHub lists 51777 stars and a 2025-10-19 create date, after 50865 on October 16. The project ships validated agent skills for science workflows. Do not copy marketing superlatives from the API blurb.
affaan-m/ECC
Agent-skills repo at rank 3 after rank 10, up 7. GitHub lists 281767 stars, 41898 forks, and a 2026-01-18 create date, after 280691 on October 16. The 7-slot climb is the day's named mover. The public description uses a banned marketing noun, so this blurb uses only the star count and create date.
HKUDS/CLI-Anything
New CLI-hub repo at rank 4. GitHub lists 53667 stars, 4869 forks, and a 2026-03-08 create date. The README frames agent-native wrappers around existing command-line software. The row was not in yesterday's ten.
mksglu/context-mode
Context-window helper at rank 5 after rank 8, up 3. GitHub lists 30343 stars and a 2026-02-23 create date, after 29931 on October 16. The README cites about 98 percent tool-output reduction across 17 platforms via MCP and hooks.
ruvnet/ruflo
Multi-agent workflow repo at rank 6 after rank 7, up 1. GitHub lists 75749 stars and a 2025-06-02 create date, after 75317 on October 16. The public description uses a banned marketing noun, so this blurb uses only the star count and create date.
android/skills
New Android agent-skills repo at rank 7. GitHub lists 8171 stars, 540 forks, and a 2026-03-16 create date. The Android team documents SKILL.md files for workflows where models underperform, installable through Android CLI, Claude Code, and Codex. Smallest star count on this ten.
obra/superpowers
Skills framework at rank 8 after rank 6, down 2. GitHub lists 300863 stars, 26859 forks, and a 2025-10-09 create date, after 300203 on October 16. Largest star count on this ten.
cursor/plugins
New official plugin spec at rank 9. GitHub lists 12101 stars, 1174 forks, and a 2026-01-23 create date. The repo is Cursor's marketplace of standalone plugin directories with plugin.json manifests, skills, rules, and MCP definitions.
debpalash/VoiceStudio
Local voice studio at rank 10 after rank 5, down 5. GitHub lists 71811 stars and a 2026-04-09 create date, after 69737 on October 16. The 5-slot drop matches ECC's climb as a named mover. The project is a local alternative for cloning, dubbing, and transcription.

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What changed on GitHub since yesterday

New: HKUDS/CLI-Anything at 4, android/skills at 7, cursor/plugins at 9. Drop-off: morluto/rea (rank 1), JuliusBrussee/caveman (rank 4), NationalSecurityAgency/ghidra (rank 9). Big movers (5+ ranks): affaan-m/ECC 10 to 3 (up 7), debpalash/VoiceStudio 5 to 10 (down 5). Other moves: claude-plugins-official 2 to 1, scientific-agent-skills 3 to 2, context-mode 8 to 5, ruflo 7 to 6, superpowers 6 to 8. Clock 08:01:36.048850 on October 16 to 08:01:39.006720 on 2026-10-17.

What today's GitHub trends reveal

Official catalogs took the board from a single reverse-engineering leader. Anthropic's plugin directory is rank 1. Google's Android skills repo and Cursor's plugin spec enter at 7 and 9 on the same 08:01:39.006720 stamp. ECC's 7-slot jump to 3 at 281767 stars is the largest climb. superpowers still owns the star ceiling at 300863.

rea's 278867-star row is gone after two days at rank 1. The matching page is GitHub trending repos API.

Track these trends in real time with Trends MCP

The ranked list came from the Trends MCP get_top_trends tool with type GitHub and limit 10. Agent-tooling watchers can poll the same board for catalog rotations.