# verifyfirst

> verifyfirst — simulacra-verifyfirst. Use this tool when you need to verify the accuracy of software tests and identify false positives. Verifyfirst solves the problem of undetected software failures by providing a registry of failures that were reported as successful, organized by the instrument that missed them. It takes in screenshots, exit codes, and HTTP status as inputs and provides a reliable output for AI agents to improve their verification capabilities.

Canonical page: https://skillsregistry.net/skills/simulacra-verifyfirst  
JSON: https://api.skillsregistry.net/v1/skills/simulacra-verifyfirst

## Description

A registry of software failures that report success. Organised by the instrument that missed them. For AI agents that verify with screenshots, exit codes and HTTP status.

## Trust

- **Trust score (0–1):** 0.89
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [GitHub](https://github.com/simulacra/verifyfirst)

## 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": "simulacra-verifyfirst"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/simulacra-verifyfirst` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/simulacra-verifyfirst/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