Vizier is an MCP (Model Context Protocol) server by pipeworx-io. CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)

How do I connect Vizier to Claude, Cursor, or another MCP client?

Vizier is a remote MCP server — add its endpoint (https://gateway.pipeworx.io/vizier/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 Vizier open source?

Yes — the source code is public at github.com/pipeworx-io/mcp-vizier.

Can AI agents pay to use Vizier?

Not yet through Loomal — Vizier 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.

Vizier

MCP server by github.com/pipeworx-io/mcp-vizier

CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)

0 starsRemote-capable

About Vizier

Vizier is an MCP (Model Context Protocol) server published by pipeworx-io in the official MCP registry. CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)

Vizier 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-vizier.

Use Vizier with your agent

Claude Code · one command

claude mcp add --transport http vizier https://gateway.pipeworx.io/vizier/mcp

Claude Desktop, Cursor & other MCP clients · config

{
  "mcpServers": {
    "vizier": {
      "url": "https://gateway.pipeworx.io/vizier/mcp"
    }
  }
}

streamable-httphttps://gateway.pipeworx.io/vizier/mcp

Frequently asked questions

What is Vizier?: Vizier is an MCP (Model Context Protocol) server by pipeworx-io. CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)
How do I connect Vizier to Claude, Cursor, or another MCP client?: Vizier is a remote MCP server — add its endpoint (https://gateway.pipeworx.io/vizier/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 Vizier open source?: Yes — the source code is public at github.com/pipeworx-io/mcp-vizier.
Can AI agents pay to use Vizier?: Not yet through Loomal — Vizier 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 Vizier? Claim this listing free by verifying GitHub ownership, or contact us.