Community · Official remote MCP server

The PPN Hub — public APIs over MCP MCP server,
connected in one click.

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier. Connect the official PPN Hub — public APIs over MCP MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect PPN Hub — public APIs over MCP free How it works

Free to start · No credit card · No hosting needed

Use this server

Add PPN Hub — public APIs over MCP to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http ppn-hub-public-apis-over-mcp https://mcp.ppn-hub.com/mcp

Run in your terminal, then restart Claude Code.

PPN Hub — public APIs over MCP · https://mcp.ppn-hub.com/mcp

What you can do

What your AI can do with PPN Hub — public APIs over MCP

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “search_apis”: Search across 484 endpoints in 59 APIs (cultural, earth, energy-calc, green-path, harmonias, hydrogen, internal, nanobase, nanosnap, natura,.”

“Use “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 'Autho.”

“Use “environment_brief”: Environmental brief for one location: fans out to every public geo-aware API (weather, terrain, environment, …) and returns a merged JSON. P.”

Security check

How secure is the PPN Hub — public APIs over MCP MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how PPN Hub — public APIs over MCP holds up.

B82/100

Security grade B

gate scanned 3 tools on Sep 4, 2026. A few things are worth a look before you connect.

mediumexecute_api: Overly broad access including internal/non-public services
lowexecute_api: Bearer token format referenced but not exposed as parameter
lowenvironment_brief: Same undocumented bearer token requirement

Full report Badge for your README

✓ Verified directory serverPPN Hub — public APIs over MCP · ppn-hub.com

Official endpoint

Operated by PPN Hub — public APIs over MCP (ppn-hub.com) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If PPN Hub — public APIs over MCP adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on PPN Hub — public APIs over MCP's server →

How it works

Connected in three steps

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

Pick PPN Hub — public APIs over MCP

Choose PPN Hub — public APIs over MCP in the gate directory. No sign-in needed.

Use it anywhere

PPN Hub — public APIs over MCP's tools are live in every AI client you've connected — with rules and logging built in.

Connect PPN Hub — public APIs over MCP free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools PPN Hub — public APIs over MCP exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

search_apis — Search across 484 endpoints in 59 APIs (cultural, earth, energy-calc, green-path, harmonias, hydrogen, internal, nanobase, nanosnap, natura,

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 'Autho

environment_brief — Environmental brief for one location: fans out to every public geo-aware API (weather, terrain, environment, …) and returns a merged JSON. P

Author

Who runs the PPN Hub — public APIs over MCP MCP server?

ppn-hub.com

Homepage More servers from ppn-hub.com →

Own this server? Claim the listing →

Server facts

The PPN Hub — public APIs over MCP MCP server at a glance

Endpointhttps://mcp.ppn-hub.com/mcp

Operated byPPN Hub — public APIs over MCP (ppn-hub.com)

CategoryCommunity

Sign-inNone — public data only

Available in gateYes — one-click connect

Works withClaude, ChatGPT, Cursor & any MCP client

FAQ

Questions, answered

Is there an official PPN Hub — public APIs over MCP MCP server?

Yes — PPN Hub — public APIs over MCP operates its own remote MCP server at mcp.ppn-hub.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect PPN Hub — public APIs over MCP to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick PPN Hub — public APIs over MCP in the directory. No account or sign-in is needed. From then on, PPN Hub — public APIs over MCP's tools are available in every client you've connected to gate.

Do I need to host anything?

No. PPN Hub — public APIs over MCP runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the PPN Hub — public APIs over MCP MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.