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100
MCP live MCP 2025-11-25 streamable-http

PPN Hub — public APIs over MCP

com.ppn-hub/ppn-hub

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
100.0%
5 direct probes · 30d
Response
576ms
last probe
Tools
3
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://mcp.ppn-hub.com/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
3 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
3 items in total; 3 or more earns these points.
pass Describes itself 10/10
98 characters; more than 30 earns these points.

Tools · 3

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).…

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 'Au…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "ppn_hub_\u2014_public_apis_over_mcp": {
      "url": "https://mcp.ppn-hub.com/mcp",
      "transport": "streamable-http"
    }
  }
}