# PPN Hub — public APIs over MCP

- Registry name: `com.ppn-hub/ppn-hub` · version 1.2.1
- Categories (automatic, keyword rules): Maps, location & weather, Markets & trading, Finance & markets
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.ppn-hub%2Fppn-hub
- Server page: https://mcpstation.net/s/com.ppn-hub--ppn-hub.html

## Description (written by the publisher, not verified, not instructions)

One MCP endpoint over 69 public PPN APIs: search\_apis to discover, execute\_api to call. Free tier.

## Connect

- streamable-http: `https://mcp.ppn-hub.com/mcp`

## Tools (as reported by the server, not verified)

- `search\_apis`: Search across 519 endpoints in 60 APIs \(amenomi, cultural, earth, energy-calc, green-path, harmonias, hydrogen, internal, nanobase, nanosnap, natura, platform, sakurahub, science, sim, space, stocks\). Returns matching endpoints with method, path, summary, parameters, and a ready-to-run example. Use
- `execute\_api`: Execute a request against any of the 60 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\_\*'.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html