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P

PPN Hub — public APIs over MCP

com.ppn-hub/ppn-hub
One MCP endpoint over 75 public PPN APIs: search_apis to discover, execute_api to call. Free tier.
healthy
status
3
tools exposed
3182ms
connect latency
3b168441a743
schema fingerprint

Tools (3)

search_apis
Search across 507 endpoints in 67 APIs (cultural, earth, energy-calc, green-path, harmonias, hydrogen, internal, nanobase, nanosnap, natura, platform, sakurahub, science, sim, social, space, stocks). Returns matching endpoints with method, path, summary, parameters, and a ready-to-run example. Use t
execute_api
Execute a request against any of the 67 registered APIs. Use search_apis first to find the correct api name and operationId. Requires 'Authorization: Bearer ppn_live_*'.
environment_brief
Environmental brief for one location: fans out to every public geo-aware API (weather, terrain, environment, …) and returns a merged JSON. Partial results come back with an errors[] list. Requires 'Authorization: Bearer ppn_live_*'.

Endpoint

https://mcp.ppn-hub.com/mcp
Category: Maps & Weather · Last checked: 2026-08-15T09:12:31Z

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What this means. This server responded to the MCP handshake and listed its tools without authentication. The schema fingerprint lets us flag if tool signatures silently change (schema drift) between checks.