# genpark-nonce-replay-attack-guard-skill

> genpark-nonce-replay-attack-guard-skill — alphaparkinc-genpark-nonce-replay-attack-guard-skill. Use this tool when you need to prevent replay attacks and ensure the integrity of agent API requests. It solves problems of duplicated requests and token reflections by utilizing a sliding-window nonce ledger to detect and invalidate invalid requests. This skill is ideal for use cases requiring secure API interactions, taking in API requests as input and outputting validated or invalidated requests.

Canonical page: https://skillsregistry.net/skills/alphaparkinc-genpark-nonce-replay-attack-guard-skill  
JSON: https://api.skillsregistry.net/v1/skills/alphaparkinc-genpark-nonce-replay-attack-guard-skill

## Description

Sliding-window nonce ledger and replay attack detector invalidating duplicated agent API requests and token reflections.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/alphaparkinc/genpark-nonce-replay-attack-guard-skill)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "alphaparkinc-genpark-nonce-replay-attack-guard-skill"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/alphaparkinc-genpark-nonce-replay-attack-guard-skill` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/alphaparkinc-genpark-nonce-replay-attack-guard-skill/pull`

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