A side-by-side look at the Nexus MCP and Influxdb3 MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Nexus MCP for databases work as a local process; choose Influxdb3 MCP Server for databases as a local process. You can also run both side by side in one mcpServers block.
NEXUS_DEMO_MODE, NOTION_TOKEN, SUPABASE_URL, SUPABASE_KEY, NEXUS_ALLOW_WRITES, NEXUS_ALLOW_DELETES.INFLUX_MCP_TOOL_PROFILE.load_database_context, get_help, write_line_protocol.Rows where the two servers differ are marked.
| Spec | N Nexus MCP | |
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 40/100 · Fair | 82/100 · Excellent |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | API key required |
| Pricing | Not declared | BYOK (pay the provider) |
| Required env vars | NEXUS_DEMO_MODENOTION_TOKENSUPABASE_URLSUPABASE_KEYNEXUS_ALLOW_WRITESNEXUS_ALLOW_DELETES | INFLUX_MCP_TOOL_PROFILE |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | 38 |
| Directory activity | 0 views 0 installs 0 upvotes | 36 views 0 installs 0 upvotes |
| Tools | Not listed | 27 |
| Full listing | View Nexus MCP | View Influxdb3 MCP Server |
No tool names declared yet. Check the project README from the listing page.
load_database_contextLoad optional custom database context and documentationget_helpGet help and troubleshooting guidance for InfluxDB operationswrite_line_protocolWrite data using InfluxDB line protocolcreate_databaseCreate a new database (with cloud-specific config options)update_databaseUpdate database configuration (retention for all; maxTables/maxColumns for Cloud Dedicated/Clustered)delete_databaseDelete a database by name (irreversible)execute_queryRun a SQL query against a database (supports multiple formats)query_sqlRun bounded read-only SQL with structured response metadataquery_influxqlRun bounded read-only InfluxQL with structured response metadataget_measurementsList all measurements (tables) in a databaseget_measurement_schemaGet schema (columns/types) for a measurement/tablelist_tablesList tables, also called measurements, in a databasePaste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"nexus-mcp-4": {
"command": "uvx",
"args": [
"--from",
"nexus-mcp-notion-supabase",
"nexus-mcp"
],
"env": {
"NEXUS_DEMO_MODE": "YOUR_NEXUS_DEMO_MODE_HERE",
"NOTION_TOKEN": "YOUR_NOTION_TOKEN_HERE",
"SUPABASE_URL": "YOUR_SUPABASE_URL_HERE",
"SUPABASE_KEY": "YOUR_SUPABASE_KEY_HERE",
"NEXUS_ALLOW_WRITES": "YOUR_NEXUS_ALLOW_WRITES_HERE",
"NEXUS_ALLOW_DELETES": "YOUR_NEXUS_ALLOW_DELETES_HERE"
}
}
}
}
{
"mcpServers": {
"influxdata-influxdb3-mcp-server": {
"command": "npx",
"args": [
"-y",
"usage"
],
"env": {
"INFLUX_MCP_TOOL_PROFILE": "YOUR_INFLUX_MCP_TOOL_PROFILE_HERE"
}
}
}
}