Looking for an alternative to Blackbook Protocol Advisor? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Security ecosystem, we have cataloged and compared the top alternative MCP servers below.
Purchaser-gated MCP for Vault, HMRC TRS, 95/5 equity, and Companies House PSC.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
| Remote (SSE) | Free/None | Free | — | — | Current | |
| npx | No auth required | Bring your own API key (usage-based cost) | 11,869 | — | Compare → | |
| npx | Free/None | Free | 87 | — | Compare → | |
| npx | Free/None | Free | 117 | — | Compare → | |
A Agent Security Scanner MCP | npx | Free/None | Free | 121 | — | Compare → |
M Markdown Vault MCP | uvx | Free/None | Free | 32 | — | Compare → |
| npx | Free/None | Free | — | — | Compare → | |
| npx | Free/None | Free | 1 | — | Compare → | |
| npx | API key | Bring your own API key (usage-based cost) | 6 | — | Compare → | |
| npx | No auth required | Free | 15 | — | Compare → | |
| npx | Free/None | Free | 9 | — | Compare → | |
| npx | No auth required | Free | 19 | — | Compare → | |
| go | No auth required | Free | 7 | — | Compare → |