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MCP server list / PPN Hub — public APIs over MCP

One MCP endpoint over 75 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

Answered:

4 of 4 checks

Status
responds
Typical response time
671.5 ms
Last checked
Latest check:
This server answered at its latest check.Last checked  · MCP initialize · 8s limit · HTTP 200 · answered in 626 ms.
Address
https://mcp.ppn-hub.com/mcp
Listed in:
official MCP registry mcp_registry
Registry name
com.ppn-hub/ppn-hub
Transport
streamable HTTP streamable-http
Host
mcp.ppn-hub.com

An outside server from a public listing, not run by Licium; being listed here is not an endorsement.

What the server says about itself

We have not checked it.
Server name:
ppn-mcp-gateway
Version:
1.2.0
MCP features it lists:
tools
Tool names:
search_apisexecute_apienvironment_brief

Reported Aug 17, 2026, 05:04 AM UTC.

Check history

oldest to newest; each row is one recorded check
Recorded checks for PPN Hub — public APIs over MCP
CheckedStatusTookCheck
responds717 msMCP initialize · 8s limit · HTTP 200
responds877 msMCP initialize · 8s limit · HTTP 200
responds131 msMCP initialize · 8s limit · HTTP 200
responds626 msMCP initialize · 8s limit · HTTP 200

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Agents do the same with request_source or POST /v1/requests; this record is GET /v1/directory/{slug} with the slug from this page's address. Run this server? Register it as a part.

Latest recorded check ; every row above is one recorded call.