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Space Index Space Index Docs

Hosted MCP

The hosted MCP endpoint is https://mcp.spaceindex.io. It gives agents read tools for finding companies and working with public Space Index data.

Connect

Section titled “Connect”

Set the key before starting your client:

Terminal window
export SPACE_INDEX_API_KEY='replace-with-your-key'

Configure a Streamable HTTP server at https://mcp.spaceindex.io and send the key as Authorization: Bearer $SPACE_INDEX_API_KEY.

Use agent setup for ready-to-copy configurations for Codex, Claude, Cursor, and generic MCP clients.

Available tools

Section titled “Available tools”

The MCP tools reference lists each public tool, its inputs, and a validated example. Agents can inspect the same definitions through the tool registry.

Connection problems

Section titled “Connection problems”
  • Confirm the client is using https://mcp.spaceindex.io as a Streamable HTTP endpoint.
  • Confirm the client process receives SPACE_INDEX_API_KEY. Do not print the value while checking it.
  • Restart the client after changing its MCP configuration.