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Crossmart Docs

Cursor

Checked on 2026-11-06 against cursor.com/docs/context/mcp and cursor.com/docs/context/skills. Cursor supports an API key header.

Connect

Section titled “Connect”

Create a key (how), then add the server to ~/.cursor/mcp.json (every project) or .cursor/mcp.json (one project):

{
  "mcpServers": {
    "crossmart": {
      "url": "https://mcp.crossmart.io/mcp",
      "headers": { "x-api-key": "${env:CROSSMART_API_KEY}" }
    }
  }
}

Cursor resolves ${env:NAME} in url and headers. Set CROSSMART_API_KEY in your shell profile or system environment (an envFile does not apply to remote servers), then restart Cursor. You can also paste the key in place of ${env:…}, but then don’t commit the file.

Check

Section titled “Check”

Cursor Settings → MCP shows crossmart with a green dot and its tools.

Install the skill

Section titled “Install the skill”
Terminal window
git clone --depth 1 https://github.com/crossmart-io/crossmart.git /tmp/crossmart
cp -R /tmp/crossmart/skills/crossmart ~/.cursor/skills/      # or .cursor/skills/ in a project

Cursor also reads ~/.agents/skills/ and ~/.claude/skills/. The repository is private for now; see the Crossmart skill.