io.github.ogasurfproject-jpg/hs-mcp-observatory
MCP Observatory: one read only walk over every https endpoint in the official registry
io.github.ogasurfproject-jpg/hs-mcp-observatory costs 460 tokens of context per session. It has 6 tool definitions. That is 0.2 % of a 200k window. Measured 2026-10-03.
Public record of one read only walk over the official MCP registry: who answered, tools, who pays.
alive probed 2026-10-03 · HTTP 200
6tools
460tokens for the tool definitions
0.2 %of a 200k context window
534 msto initialize
301 msto list tools
- Endpoint
- https://observatory.horizonshield.dev/mcp (streamable-http)
- Host
- observatory.horizonshield.dev
- Protocol
- 2025-11-25
- Reports itself as
- hs-mcp-observatory 0.1.1
- Capabilities
- tools
- Instructions
- 258 characters
- Repository
- https://github.com/ogasurfproject-jpg/horizon-shield
- Website
- https://shield.the-horizons-innovation.com/verify-directory/survey/1/
- Registry
- active, updated 2026-09-04 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| mcp_observatory_measure_now | 127 | 28 % |
| mcp_observatory_lookup | 121 | 26 % |
| mcp_observatory_disclosure_guide | 60 | 13 % |
| mcp_observatory_summary | 53 | 12 % |
| mcp_observatory_state | 52 | 11 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:39 | alive | 534 ms | 6 | 460 |
| 2026-10-03 17:54 | alive | 327 ms | 6 | 460 |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.ogasurfproject-jpg/hs-mcp-observatory)