ToolTrust Scanner vs Vaara
A side-by-side look at the ToolTrust Scanner and Vaara MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose ToolTrust Scanner for security work as a local process; choose Vaara for security as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose ToolTrust Scanner when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
- You want tools like
tooltrust_scan_config, tooltrust_scan_server, tooltrust_scanner_scan.
Choose Vaara when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Security | Security |
| Quality signal | 57/100 · Good | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 19 | 15 |
| Directory activity | 2 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 5 | Not listed |
| Full listing | View ToolTrust Scanner | View Vaara |
Tools & capabilities
ToolTrust Scanner tools 5
tooltrust_scan_configScan all MCP servers in your `.mcp.json` or `~/.claude.jsontooltrust_scan_serverLaunch and scan a specific MCP server by commandtooltrust_scanner_scanScan a raw JSON blob of tool definitionstooltrust_lookupLook up a server's trust grade from the ToolTrust Directorytooltrust_list_rulesList all built-in security rules
Vaara 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.
ToolTrust Scanner
{
"mcpServers": {
"tooltrust-scanner": {
"command": "npx",
"args": [
"-y",
"tooltrust-mcp"
]
}
}
}
Vaara
{
"mcpServers": {
"vaara": {
"command": "npx",
"args": [
"--upstream-arg",
"-y",
"--upstream-arg",
"@sap/mdk-mcp-server"
]
}
}
}
Frequently asked questions
ToolTrust Scanner is categorized under Security and uses a local stdio subprocess. Vaara belongs to Security and uses a local stdio subprocess. Pick ToolTrust Scanner for security work and Vaara for security.
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.
ToolTrust Scanner has no declared pricing — check the project's own site. Vaara is listed as free. Auth: no auth required. 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 tooltrust-scanner and vaara as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, ToolTrust Scanner has a quality signal of 57/100 (Good) with 2 views, 0 installs and 19 GitHub stars. Vaara has 49/100 (Fair) with 1 views, 0 installs and 15 GitHub stars.