Code graph MCP server. SQLite + tree-sitter AST for architecture, clones, references, and flows.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"io-github-levnikolaevich-hex-graph-mcp": {
"args": [
"-y",
"skills"
],
"command": "npx"
}
}
}Are you the author?
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7 plugins. One marketplace. Install only what you need and automate your full delivery workflow — > from project bootstrap to code audit to production quality gates. > Works standalone or as a complete Agile pipeline.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'skills' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
No known CVEs.
Checked skills against OSV.dev.
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[!WARNING] Marketplace layout changed in the 2026-05-06 refactor. Skills now live only inside self-contained plugin bundles under
plugins/<plugin>/skills/<skill>/. The rootshared/directory is maintainer-only source material for files reused by 2+ skills; runtime installs use the copied skill-localreferences/files.
7 plugins. Two native marketplaces. Install only what you need and automate your full delivery workflow — from project bootstrap to code audit to production quality gates. Works standalone or as a complete Agile pipeline.
[!TIP] Two-Agent AI Review — Claude and Codex can review each other’s work through host-aware external advisor routing.
Plugins · Installation · Quick Start · Workflow · MCP · AI Review · FAQ · Full Skill Tree · Links
Add the marketplace once, then install only the plugins you need. Each works independently.
# Claude Code: add the marketplace once
/plugin marketplace add levnikolaevich/claude-code-skills
# Claude Code: install any plugin you need
/plugin install agile-workflow@levnikolaevich-skills-marketplace
/plugin install documentation-pipeline@levnikolaevich-skills-marketplace
/plugin install codebase-audit-suite@levnikolaevich-skills-marketplace
/plugin install project-bootstrap@levnikolaevich-skills-marketplace
/plugin install optimization-suite@levnikolaevich-skills-marketplace
/plugin install community-engagement@levnikolaevich-skills-marketplace
/plugin install setup-environment@levnikolaevich-skills-marketplace
# Codex CLI: add the marketplace, then install from /plugins
codex plugin marketplace add levnikolaevich/claude-code-skills
codex
/plugins
| Plugin | Description |
|---|---|
| agile-workflow | Scope decomposition, Story/Task management, Execution, Quality gates, Orchestration |
| documentation-pipeline | Full project docs pipeline with auto-detection (backend/frontend/devops) |
| codebase-audit-suite | Documentation, Security, Build, Code quality, Tests, Architecture, Performance |
| project-bootstrap | CREATE or TRANSFORM projects to production-ready Clean Architecture |
| optimization-suite | Performance optimization, Dependency upgrades, Code modernization |
| community-engagement | GitHub community management: triage, announcements, RFCs, responses |
| setup-environment | Install CLI agents, configure MCP servers, align marketplace plugins, audit instruction files |
Browse and discover individual skills at skills.sh.
[!NOTE] skills.sh is a showcase only. The supported install path is the Claude or Codex marketplace plugin flow above. Plugin bundles are self-contained; root
shared/is not a runtime dependency.
Prerequisites: Claude Code or OpenAI Codex CLI
# Claude Code
/plugin marketplace add levnikolaevich/claude-code-skills
/plugin install setup-environment@levnikolaevich-skills-marketplace
# Codex CLI
codex plugin marketplace add levnikolaevich/claude-code-skills
codex
/plugins
Verify: run ln-010-dev-environment-setup
Standalone (works immediately, no setup):
ln-010-dev-environment-setup # Set up agents, MCP, and marketplace plugins
ln-620-codebase-auditor # Audit your code for issues
ln-100-documents-pipeline
... [View full README on GitHub](https://github.com/levnikolaevich/claude-code-skills#readme)