Alternatives to anthropics/claude-plugins-official

Explore 6 related skill repositories alongside anthropics/claude-plugins-official.

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Related repositories are selected from shared categories, topics and mentions in the same lists. Order follows the export’s relevance signals. These links are independent of sponsorship and do not change the leaderboard.

backnotprop/plannotator

The workspace to stay in the loop and on top of agents - shape, decide, plan, annotate, review code, share with team, and send all feedback to agents with one click.

GitHub stars
9,871
Star growth over 7 days
+0.9%
Heat
7.1
Before you install
Network or broad shell
Median activation tokens (estimate)
426 tokens
Project activity
Active
License
Apache-2.0
Supported agents
Claude Code, Codex

nimbalyst/nimbalyst

Nimbalyst - The open-source visual workspace for Claude Code, Codex, and OpenCode. Run multiple coding agents in parallel, edit their work visually in markdown, mockups, and diagrams, and track tasks. Free, MIT-licensed desktop app for macOS, Windows, Linux, with mobile companion for iOS and Android.

GitHub stars
2,029
Star growth over 7 days
+1.3%
Heat
7.4
Before you install
Network or broad shell
Median activation tokens (estimate)
2,164.5 tokens
Project activity
Active
License
MIT
Supported agents
Claude Code, Codex

dyoshikawa/rulesync

A Utility CLI for AI Coding Agents

GitHub stars
1,585
Star growth over 7 days
+1.1%
Heat
6.6
Before you install
Network or broad shell
Median activation tokens (estimate)
880 tokens
Project activity
Active
License
MIT

affaan-m/ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

GitHub stars
298,122
Star growth over 7 days
+1.6%
Heat
7.7
Before you install
Network or broad shell
Median activation tokens (estimate)
Not available
Project activity
Active
License
MIT

mksglu/context-mode

Free, local plugin that keeps tool output out of your coding agent's context window. Sandbox and SQLite FTS5 search, 99% fewer bytes in context. Works with Claude Code, Codex, Pi, OpenCode, Gemini CLI, Copilot CLI and 4 more agents. Zero telemetry.

GitHub stars
33,574
Star growth over 7 days
+1.9%
Heat
7.8
Before you install
Network or broad shell
Median activation tokens (estimate)
98 tokens
Project activity
Active
License
No license detected
Supported agents
Claude Code, Gemini CLI

NVIDIA/SkillSpector

Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.

GitHub stars
24,592
Star growth over 7 days
+4.5%
Heat
8.0
Before you install
Network or broad shell
Median activation tokens (estimate)
122 tokens
Project activity
Active
License
Apache-2.0
Supported agents
OpenCode

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