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hs-mcp-observatory

https://observatory.horizonshield.dev/mcp

answers a handshake

Registry name: io.github.ogasurfproject-jpg/hs-mcp-observatory
Reports itself as: hs-mcp-observatory 0.1.1
Protocol version: 2025-11-25
Transport: streamable-http
HTTP status: 200
Latency: 162 ms
Tools: 6
Checked: 2026-09-06T08:25:20Z

Tools it reports

mcp_observatory_state
mcp_observatory_summary
mcp_observatory_lookup
mcp_observatory_disclosure_guide
mcp_observatory_measure_now
mcp_observatory_method

Check it yourself

curl -s -X POST https://observatory.horizonshield.dev/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'