io.github.nexus-api-lab/nexus-mcp MCP Server

io.github.nexus-api-lab/nexus-mcp

What is the io.github.nexus-api-lab/nexus-mcp MCP server?

Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

~/.cursor/mcp.json

{
  "mcpServers": {
    "nexus-mcp": {
      "url": "https://mcp.nexus-api-lab.com/"
    }
  }
}

Exact text tools for AI agents: unified diff, patch apply, regex testing, grapheme counting.

Deterministic time tools for AI agents: timezone conversion, business-day math, cron interpretation.

Exact reference codes for AI agents: countries, currencies with minor units, HTTP status, MIME.

Exact hashing, base64/hex/URL encoding, JWT decoding and UUIDs for AI agents. No auth required.

Active

Checks whether an ERC-8004-registered agent is actually alive right now via a real MCP handshake

Python

Active

Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual

Python