nexus-mcp
MCP server by github.com/nexus-api-lab/nexus-mcp
Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.
About nexus-mcp
nexus-mcp is an MCP (Model Context Protocol) server published by nexus-api-lab in the official MCP registry, listed under Security on Loomal. Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.
nexus-mcp runs as a hosted remote over streamable-http — MCP clients connect directly to its endpoint, with nothing to install locally.
Development happens in the open at github.com/nexus-api-lab/nexus-mcp.
Use nexus-mcp with your agent
claude mcp add --transport http nexus-mcp-mcp https://mcp.nexus-api-lab.com/{
"mcpServers": {
"nexus-mcp-mcp": {
"url": "https://mcp.nexus-api-lab.com/"
}
}
}https://mcp.nexus-api-lab.com/Frequently asked questions
- What is nexus-mcp?
- nexus-mcp is an MCP (Model Context Protocol) server by nexus-api-lab in the Security category. Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.
- How do I connect nexus-mcp to Claude, Cursor, or another MCP client?
- nexus-mcp is a remote MCP server — add its endpoint (https://mcp.nexus-api-lab.com/) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.
- Is nexus-mcp open source?
- Yes — the source code is public at github.com/nexus-api-lab/nexus-mcp.
- Can AI agents pay to use nexus-mcp?
- Not yet through Loomal — nexus-mcp is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.
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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain nexus-mcp? Claim this listing free by verifying GitHub ownership, or contact us.