PPN Hub — public APIs over MCP
One MCP endpoint over 69 public PPN APIs: searchapis to discover, executeapi to call.
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What it can do
What data it sees
Do you need an account
No: the server works without sign-in
One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.
Server tool list (3)
Raw names from tools/list. Only developers need these.
| search_apis | Search across 484 endpoints in 59 APIs (cultural, earth, energy-calc, green-path, harmonias, hydrogen, internal, nanobase, nanosnap, natura, platform, sakurahub, science, sim, space, stocks). Returns matching endpoints with method, path, summary, parameters, and a ready-to-run example. Use this to discover available API endpoints before calling execute_api. Results carry a "coverage" field (e.g. ["JP"]) for region-limited APIs; use the "region" filter to narrow. |
| execute_api | Execute a request against any of the 59 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_*'. |