Natscope

Web UI for NATS JetStream

Browse, tail, publish and manage streams, with Protobuf payloads decoded.

$ brew install dmit-4884/tap/natscope

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Protobuf as JSON
Point it at your .proto files and binary payloads read as JSON in history, live tail and publish.
All of JetStream
Streams, consumers, relations, Key/Value and object stores: browse, edit, purge, publish.
One local binary
The UI is inside, state lives in one file, credentials go to the OS keychain.
MCP for agents
Claude Code or Cursor read your streams over MCP, with payloads decoded.

Protobuf as JSON