# nexus-mcp

> nexus-mcp — nexus-api-lab-nexus-mcp. Use this tool when you need to detect prompt injections and mask Japanese personally identifiable information (PII) in text data. The nexus-mcp server integrates with jpi-guard and PII Guard to provide a robust solution for protecting sensitive information. It accepts text inputs and outputs masked or flagged data, making it ideal for applications requiring enhanced security and compliance measures.

Canonical page: https://skillsregistry.net/skills/nexus-api-lab-nexus-mcp  
JSON: https://api.skillsregistry.net/v1/skills/nexus-api-lab-nexus-mcp

## Description

MCP server for jpi-guard (prompt injection detection) and PII Guard (Japanese PII masking)

## Trust

- **Trust score (0–1):** 0.93
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [GitHub](https://github.com/nexus-api-lab/nexus-mcp)

## 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": "nexus-api-lab-nexus-mcp"
    }
  }
}
```

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