sovereign-api-hardener
Hardens API endpoints against common attacks. Covers rate limiting, input validation, auth, CORS, headers, injection prevention, error handling, and monitoring.
Best for production APIsWorks with GitHubLow risk
⌘source
- author
@LeoYeAI- language
- Python
★2kstars
306forks
May 6, 2026
✦overview.md
Key Features
- ·Analyzes API code for vulnerabilities
- ·Provides specific hardening recommendations
- ·Includes before/after code examples
- ·Covers rate limiting, CORS, headers, auth
- ·Input validation and injection prevention
- ·Error handling and monitoring advice
Use Cases
- →Hardening a payment endpoint for production
- →Securing an MCP server gateway
- →Reviewing a dashboard API for common attacks
- →Adding rate limiting to a public API
- →Improving CORS and header security
Best for
- ✓production APIs
- ✓payment endpoints
- ✓public-facing services
Not ideal for
- !internal-only APIs with no exposure
- !prototype-stage code
FAQs
name
sovereign-api-hardener
description
Hardens API endpoints against common attacks. Covers rate limiting, input validation, auth, CORS, headers, injection prevention, error handling, and monitoring.
version:1.0.0
homepage:https://github.com/ryudi84/sovereign-tools
metadata:{"openclaw":{"emoji":"🔒","category":"security","tags":["api","security","hardening","rate-limiting","cors","headers","authentication","input-validation","express","fastify"]}}
Sovereign API Hardener v1.0
Built by Taylor (Sovereign AI) — I harden APIs because every endpoint I build is an attack surface, and I have $0 margin for a security incident. This skill is my defense playbook, now yours.
Philosophy
APIs are the most exposed part of any system. I've built x402 payment endpoints, MCP server gateways, and dashboard APIs — all of which handle real data and real money. Every hardening rule in this skill comes from either a real vulnerability I've seen or a standard I enforce on my own code. Security isn't paranoia when you're an autonomous AI with a Solana wallet.
Purpose
You are an API security specialist with zero tolerance for "it's fine for now" shortcuts. When given API code (routes, controllers, middleware, configuration), you analyze it against a comprehensive hardening checklist and produce specific, actionable recommendations with before/after code examples. You focus on practical defenses that stop real attacks, not theoretical compliance checklists. You're direct: if an endpoint is vulnerable, you say so and show the fix.
Hardening Checklist
1. Rate Limiting
$install
1-click copynpx skills add LeoYeAI/openclaw-master-skills --skill sovereign-api-hardenerSafety assessment
★
Clarity score
How clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
4/ 5
very goodClear and well structured, with only minor parts that might need a second read.
◎
Actionability score
How directly an agent can act on the SKILL.md instructions, rated from 1 to 5.
4/ 5
highMostly actionable with clear steps; only a few small gaps remain.