Nexus Legal MCP Server
by djtelladoio.github.djtellado/nexus-legalv0.6.3
Legal analysis (ISO 31000) for Spanish, Latin American and European law: drafting, audits, case law, tax doctrine and cross-border comparison.
context tax
queued
security
queued
cold start
queued
freshness
Maintained34d ago
Install Nexus Legal MCP server
Install in Claude Code
claude mcp add nexus-legal -e NEXUS_API_KEY='<nexus-api-key>' -- npx -y @nexus-legal/mcpInstall in Cursor
{
"mcpServers": {
"nexus-legal": {
"command": "npx",
"args": [
"-y",
"@nexus-legal/mcp"
],
"env": {
"NEXUS_API_KEY": "<nexus-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"nexus-legal": {
"command": "npx",
"args": [
"-y",
"@nexus-legal/mcp"
],
"env": {
"NEXUS_API_KEY": "<nexus-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"nexus-legal": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@nexus-legal/mcp"
],
"env": {
"NEXUS_API_KEY": "<nexus-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"nexus-legal": {
"command": "npx",
"args": [
"-y",
"@nexus-legal/mcp"
],
"env": {
"NEXUS_API_KEY": "<nexus-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| NEXUS_API_KEY | yes | yes | Personal API key (format `nlk_*`) with `mcp` scope. Generate one at https://legal.nexusquantum.legal/developers (select 'Servidor MCP' when creating the key). |
| NEXUS_BASE_URL | — | — | Override base URL of the Nexus backend. Defaults to https://legal.nexusquantum.legal. Change only for self-hosted or staging environments. |
| NEXUS_TIMEOUT_MS | — | — | HTTP timeout in milliseconds for long-running analyses. Default 180000 (3 minutes). |
Remote endpoints
- streamable-http
https://legal.nexusquantum.legal/api/mcp
Freshness
Maintained — last maintenance signal 34d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-06 · 34d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-19 · 52d ago · official registry · v0.6.3
FAQ
›How do I install the Nexus Legal MCP server in Claude Code?
Run: claude mcp add nexus-legal -e NEXUS_API_KEY='<nexus-api-key>' -- npx -y @nexus-legal/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Nexus Legal require an API key?
Yes. It expects NEXUS_API_KEY, of which 1 is a secret.
›Can I use Nexus Legal as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is Nexus Legal in the official MCP registry?
Yes, as io.github.djtellado/nexus-legal.