# mcp-wallfacer

> mcp-wallfacer — lacausecrypto-mcp-wallfacer. Use this tool when you need to thoroughly test MCP servers with advanced fuzz testing, schema validation, and invariant checks. It solves problems related to ensuring server reliability and compliance by providing a comprehensive runtime testing harness. The tool accepts YAML inputs and outputs SARIF results via stdio and HTTP, making it ideal for integration with CI pipelines.

Canonical page: https://skillsregistry.net/skills/lacausecrypto-mcp-wallfacer  
JSON: https://api.skillsregistry.net/v1/skills/lacausecrypto-mcp-wallfacer

## Description

Runtime testing harness for MCP servers: fuzz tools, validate schemas, run YAML invariants and multi-step sequences, ship SARIF to CI. 17 embedded packs · stdio + HTTP · 5 install paths.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [GitHub](https://github.com/lacausecrypto/mcp-wallfacer)

## 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": "lacausecrypto-mcp-wallfacer"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lacausecrypto-mcp-wallfacer` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lacausecrypto-mcp-wallfacer/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