Runs web searches with citations through Perplexity Sonar models accessed via the OpenRouter API.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add nexus --env OPENROUTER_API_KEY='<OPENROUTER_API_KEY>' -- npx nexus-mcp~/.codex/config.toml
[mcp_servers.nexus]
command = "npx"
args = ["nexus-mcp"]
env = { OPENROUTER_API_KEY = "<OPENROUTER_API_KEY>" }
# codex mcp add nexus --env OPENROUTER_API_KEY='<OPENROUTER_API_KEY>' -- npx nexus-mcp~/.cursor/mcp.json
{
"mcpServers": {
"nexus": {
"command": "npx",
"args": [
"nexus-mcp"
],
"env": {
"OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"nexus": {
"type": "stdio",
"command": "npx",
"args": [
"nexus-mcp"
],
"env": {
"OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"nexus": {
"command": "npx",
"args": [
"nexus-mcp"
],
"env": {
"OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"nexus": {
"command": "npx",
"args": [
"nexus-mcp"
],
"env": {
"OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"nexus": {
"command": "npx",
"args": [
"nexus-mcp"
],
"env": {
"OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>"
}
}
}
}Environment variables
OPENROUTER_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.