zippopotam
MCP server by github.com/pipeworx-io/mcp-zippopotam
Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)
About zippopotam
zippopotam is an MCP (Model Context Protocol) server published by pipeworx-io in the official MCP registry, listed under Security on Loomal. Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)
zippopotam runs as a hosted remote over streamable-http — MCP clients connect directly to its endpoint, with nothing to install locally.
Development happens in the open at github.com/pipeworx-io/mcp-zippopotam.
Use zippopotam with your agent
claude mcp add --transport http zippopotam https://gateway.pipeworx.io/zippopotam/mcp{
"mcpServers": {
"zippopotam": {
"url": "https://gateway.pipeworx.io/zippopotam/mcp"
}
}
}https://gateway.pipeworx.io/zippopotam/mcpFrequently asked questions
- What is zippopotam?
- zippopotam is an MCP (Model Context Protocol) server by pipeworx-io in the Security category. Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)
- How do I connect zippopotam to Claude, Cursor, or another MCP client?
- zippopotam is a remote MCP server — add its endpoint (https://gateway.pipeworx.io/zippopotam/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.
- Is zippopotam open source?
- Yes — the source code is public at github.com/pipeworx-io/mcp-zippopotam.
- Can AI agents pay to use zippopotam?
- Not yet through Loomal — zippopotam is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.
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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain zippopotam? Claim this listing free by verifying GitHub ownership, or contact us.