MCP Observatory: one read only walk over every https endpoint in the official registry
Public record of one read only walk over the official MCP registry: who answered, tools, who pays.
Install
Remote streamable-http
https://observatory.horizonshield.dev/mcpClient config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-ogasurfproject-jpg-hs-mcp-observatory": {
"url": "https://observatory.horizonshield.dev/mcp"
}
}
} Source: official MCP Registry record · registry name io.github.ogasurfproject-jpg/hs-mcp-observatory · published 2026-09-04 · updated 2026-09-04. Not an endorsement; review the code before connecting it to anything sensitive.