com.ppn-hub/ppn-hub
PPN Hub — public APIs over MCP
One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.
alive probed 2026-10-05 · HTTP 200
3tools
1.6ktokens in Claude Opus 5.5
1.6ktokens in Claude Code
0.8 %of a 200k context window
925o200k_base estimate
1.8 sto initialize
39 msto list tools
- Endpoint
- https://mcp.ppn-hub.com/mcp (streamable-http)
- Host
- mcp.ppn-hub.com
- Protocol
- 2025-11-25
- Reports itself as
- ppn-mcp-gateway 1.2.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://ppn-hub.com/quickstart
- Registry
- active, updated 2026-08-03 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| execute_api | 400 | 43 % |
| search_apis | 369 | 40 % |
| environment_brief | 156 | 17 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 13:34 | alive | 1.8 s | 3 | 1.6k | 925 |
| 2026-10-05 00:19 | alive | 1.6 s | 3 | 925 | |
| 2026-10-04 09:57 | alive | 2.2 s | 3 | 925 | |
| 2026-10-04 07:51 | alive | 2.1 s | 3 | 925 | |
| 2026-10-03 20:31 | alive | 2.4 s | 3 | 925 | |
| 2026-10-03 17:49 | alive | 1.7 s | 3 | 925 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.ppn-hub/ppn-hub)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.