# sigsleuth

> sigsleuth — cognis-digital-sigsleuth. Use this tool when you need to decode and analyze raw calldata and EIP-712 typed-data to identify potential security threats, such as blind-signing and malicious permit payloads. It takes in raw calldata and typed-data as input and outputs human-readable intent, flagging suspicious activity. Ideal for use cases where security and transparency are crucial, such as smart contract development and auditing.

Canonical page: https://skillsregistry.net/skills/cognis-digital-sigsleuth  
JSON: https://api.skillsregistry.net/v1/skills/cognis-digital-sigsleuth

## Description

Decodes raw calldata and EIP-712 typed-data into human-readable intent, flagging blind-signing and malicious permit/Permit2 payloads.

## Trust

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

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-21

## Source

- **Source listing:** [GitHub](https://github.com/cognis-digital/sigsleuth)

## 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": "cognis-digital-sigsleuth"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/cognis-digital-sigsleuth` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/cognis-digital-sigsleuth/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt