Vaara vs Vulnify
A side-by-side look at the Vaara and Vulnify MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Vaara for security work as a local process; choose Vulnify 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 Vaara when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
Choose Vulnify when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
VULNIFY_API_KEY. - You want tools like
check_action, decide_action, get_decision.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Security | Security |
| Quality signal | 48/100 · Fair | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | VULNIFY_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 15 | 2 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | 7 |
| Full listing | View Vaara | View Vulnify |
Tools & capabilities
Vaara tools
No tool names declared yet. Check the project README from the listing page.
Vulnify tools 7
check_actionSkips the PII scan and records nothing. No event id.decide_actionWrites a security event and an audit entry. `finalDecision` is the authoritative result.get_decisionReads a decision. Optional wait polls a `REVIEW` until `ALLOW` or `BLOCK` (30 seconds max).list_policiesPolicies as code, sorted by name.test_policiesUp to 200 cases. Skips the PII scan. Proposed `policies` are not saved.plan_policy_changesdryRun` is forced to true. Needs an org-wide LIVE key.check_mcp_tool_callMaps a tool name to an action and records the decision. Does not run the tool.
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.
Vaara
{
"mcpServers": {
"vaara": {
"command": "npx",
"args": [
"--upstream-arg",
"-y",
"--upstream-arg",
"@sap/mdk-mcp-server"
]
}
}
}
Vulnify
{
"mcpServers": {
"vulnify": {
"command": "npx",
"args": [
"-y",
"@vulnify/mcp"
],
"env": {
"VULNIFY_API_KEY": "YOUR_VULNIFY_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Vaara is categorized under Security and uses a local stdio subprocess. Vulnify belongs to Security and uses a local stdio subprocess. Pick Vaara for security work and Vulnify 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.
Vaara has no declared pricing — check the project's own site. Vulnify has no declared pricing — check the project's own site. 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 vaara and vulnify as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Vaara has a quality signal of 48/100 (Fair) with 1 views, 0 installs and 15 GitHub stars. Vulnify has 56/100 (Good) with 1 views, 0 installs and 2 GitHub stars.