An MCP (Model Context Protocol) server that makes critical best practices automatically available to Claude AI in every conversation. Based on exhaustive analysis of 96+ real documented failures over 6+ months of intensive production usage. The system provides 21 numbered rules organized into 5 categories, with automatic verification checklists, rule summaries, and auto-update capabilities. - 21 C
Add this skill
npx mdskills install optimaquantum/claude-critical-rules-mcpEvidence-based ruleset derived from 96+ documented failures with verification tools and auto-update system
MCP server providing automatic enforcement of 21 critical rules for Claude AI, based on 96+ documented failure patterns
An MCP (Model Context Protocol) server that makes critical best practices automatically available to Claude AI in every conversation. Based on exhaustive analysis of 96+ real documented failures over 6+ months of intensive production usage.
The system provides 21 numbered rules organized into 5 categories, with automatic verification checklists, rule summaries, and auto-update capabilities.
Add to your claude_desktop_config.json:
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
Linux: ~/.config/Claude/claude_desktop_config.json
{
"mcpServers": {
"critical-rules": {
"command": "npx",
"args": ["-y", "@optima-quantum/claude-critical-rules-mcp-new"]
}
}
}
npm install -g @optima-quantum/claude-critical-rules-mcp-new
Then configure:
{
"mcpServers": {
"critical-rules": {
"command": "claude-critical-rules-mcp"
}
}
}
After configuration, restart Claude Desktop to load the MCP server.
Before starting ANY technical task, execute:
critical-rules:verify_compliance
This displays a 21-point checklist organized in 5 categories.
Do NOT proceed until you confirm ALL 21 items.
Before creating documents or working with specific technologies:
- Read the appropriate skill file first
- Common location: /mnt/skills/user/sysadmin-professional/SKILL.md
- If skill doesn't exist: search online, verify reliability, propose installation
Example Workflow:
User: "Deploy the new API to production"
Claude:
1. Executes: critical-rules:verify_compliance
2. Reviews all 21 rules checklist
3. Reads: /mnt/skills/user/sysadmin-professional/SKILL.md
4. THEN proceeds with deployment
verify_complianceDisplays mandatory 21-rule checklist before technical tasks.
Usage:
critical-rules:verify_compliance
task_description: "Deploy API to production"
Returns:
get_rules_summaryQuick reference of all 21 rules with descriptions.
Usage:
critical-rules:get_rules_summary
Returns:
get_version_infoDisplay current version and check for updates.
Usage:
critical-rules:get_version_info
check_remote: true // Optional, default true
Returns:
check_for_updatesCheck GitHub for new rule versions.
Usage:
critical-rules:check_for_updates
Returns:
update_rulesDownload and install latest rules from GitHub.
Usage:
critical-rules:update_rules
force: false // Optional, force reinstall
Returns:
critical-rules://instructionsComplete CRITICAL-RULES.md document with all 21 rules, examples, and detailed explanations.
critical-rules://changelogFull changelog with version history and update details.
Based on comprehensive analysis of:
Contributions are welcome! If you've identified additional failure patterns or improvements:
MIT License - See LICENSE file for details.
Óptima Quantum Services FZCO
Dubai, UAE
See CHANGELOG.md for version history and updates.
If this MCP server has helped prevent errors in your workflow, please consider starring the repository!
Version: 1.2.0
Last Updated: 2026-01-10
Rules Count: 21 numbered rules
Failure Patterns Analyzed: 96+
Install via CLI
npx mdskills install optimaquantum/claude-critical-rules-mcpClaude Critical Rules MCP Server is a free, open-source AI agent skill. An MCP (Model Context Protocol) server that makes critical best practices automatically available to Claude AI in every conversation. Based on exhaustive analysis of 96+ real documented failures over 6+ months of intensive production usage. The system provides 21 numbered rules organized into 5 categories, with automatic verification checklists, rule summaries, and auto-update capabilities. - 21 C
Install Claude Critical Rules MCP Server with a single command:
npx mdskills install optimaquantum/claude-critical-rules-mcpThis downloads the skill files into your project and your AI agent picks them up automatically.
Claude Critical Rules MCP Server works with Claude Code, Claude Desktop, Cursor, Vscode Copilot, Windsurf, Continue Dev, Gemini Cli, Amp, Roo Code, Goose. Skills use the open SKILL.md format which is compatible with any AI coding agent that reads markdown instructions.