# mcpstub

> mcpstub — jovial-liu-mcpstub. Use this tool when you need to test MCP clients, gateways, and agent harnesses without relying on live credentials or external services. It generates deterministic MCP protocol fixtures from tool contracts, providing a reliable and isolated testing environment. This tool is ideal for development and quality assurance scenarios where external dependencies need to be minimized.

Canonical page: https://skillsregistry.net/skills/jovial-liu-mcpstub  
JSON: https://api.skillsregistry.net/v1/skills/jovial-liu-mcpstub

## Description

Serves deterministic MCP protocol fixtures generated from tool contracts, enabling testing of MCP clients, gateways, and agent harnesses without live credentials or external services.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-04

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-04

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/jab6cs4fp5)
- **Repository:** <https://github.com/jovial-liu/mcpstub>

## 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": "jovial-liu-mcpstub"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/jovial-liu-mcpstub` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/jovial-liu-mcpstub/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