"Nebula" matching MCP servers:

• Sentinel Gateway

  jaisimha18

  A

  license

  -

  quality

  C

  maintenance

  MCP zero-trust gateway that sits in front of every internal MCP server, detects tool-poisoning/metadata drift in real time, and maintains a cryptographic provenance ledger of every agent tool call.

  Last updated 2026-07-26

  3

  ISC