Spanlens vs VMware Aria
A side-by-side look at the Spanlens and VMware Aria MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Spanlens for monitoring work as a local process; choose VMware Aria for monitoring as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Spanlens when
- You need dedicated capabilities in the Monitoring domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
SPANLENS_API_KEY.
Choose VMware Aria when
- You need dedicated capabilities in the Monitoring domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: other.
- You have the keys it needs:
VMWARE_ARIA_CONFIG, VMWARE_ARIA_PROD_PASSWORD.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Monitoring | Monitoring |
| Quality signal | 59/100 · Good | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | other |
| Pricing | Free | Free |
| Required env vars | SPANLENS_API_KEY |
Tools & capabilities
Spanlens tools
No tool names declared yet. Check the project README from the listing page.
VMware Aria tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste 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.
Spanlens
{
"mcpServers": {
"spanlens-spanlens-2": {
"command": "npx",
"args": [
"-y",
"@spanlens/cli"
],
"env": {
"SPANLENS_API_KEY": "YOUR_SPANLENS_API_KEY_HERE"
}
}
}
}
VMware Aria
{
"mcpServers": {
"zw008-vmware-aria": {
"command": "uvx",
"args": [
"--from",
"vmware-aria",
"vmware-aria"
],
"env": {
"VMWARE_ARIA_CONFIG": "YOUR_VMWARE_ARIA_CONFIG_HERE",
"VMWARE_ARIA_PROD_PASSWORD": "YOUR_VMWARE_ARIA_PROD_PASSWORD_HERE"
}
}
}
}
Frequently asked questions
Spanlens is categorized under Monitoring and uses a local stdio subprocess. VMware Aria belongs to Monitoring and uses a local stdio subprocess. Pick Spanlens for monitoring work and VMware Aria for monitoring.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Spanlens is listed as free. Auth: api key required. VMware Aria is listed as free. Auth: other. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add spanlens-spanlens-2 and zw008-vmware-aria as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Spanlens has a quality signal of 59/100 (Good) with 4 views, 0 installs and 13 GitHub stars. VMware Aria has 52/100 (Good) with 2 views, 0 installs and 3 GitHub stars.