mantle← Documentation

Developers

Quickstart

Five minutes from API key to your agent answering questions about your data. Pick the client you use, the rest is paste-and-go.

Step 0

Get an API key.

Mantle is in active development with live customers, the API surface is stable, new features ship weekly. Sign in at app.mantleai.dev, create a project, and copy the mk_… bearer token. The same key works across REST and MCP. If something looks off, ping us on Discord.

While you're in the dashboard, connect at least one source, Drive, Gmail, Slack, Notion, Dropbox, Postgres, S3, or GCS, so you have something to query.

Client

Claude Desktop

Claude Desktop talks MCP over stdio, so we use mcp-remoteto bridge to Mantle's HTTP MCP endpoint. Open Claude Desktop → Settings → Developer → Edit Config and paste:

{
  "mcpServers": {
    "mantle": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.mantleai.dev/mcp",
        "--header",
        "Authorization:Bearer mk_…"
      ]
    }
  }
}

Save, restart Claude Desktop. The Mantle tool catalog appears in the tool picker. Ask “What did Maren and the Acme team last discuss?”, Claude will resolve the entity and pull from every connected source.

Client

Cursor

Cursor speaks HTTP MCP natively, no bridge needed. Open ~/.cursor/mcp.json and add:

{
  "mcpServers": {
    "mantle": {
      "url": "https://mcp.mantleai.dev/mcp",
      "headers": {
        "Authorization": "Bearer mk_…"
      }
    }
  }
}

Reload Cursor. The Mantle tools appear in the agent panel.

Client

Claude Code

A single CLI command registers Mantle as an HTTP MCP server:

claude mcp add mantle \
  --transport http \
  --url https://mcp.mantleai.dev/mcp \
  --header "Authorization:Bearer mk_…"

Run claude mcp listto confirm. Mantle's tools are now available in any Claude Code session.

Anything else

Custom agents.

Any MCP-compatible agent can connect to Mantle. Point it at https://mcp.mantleai.dev/mcp with your API key as a bearer token. Prefer plain HTTP? Use the REST API directly, see the API reference, or skip the docs and generate a typed client from the OpenAPI spec.

Stuck? Drop into our Discord or email hello@mantleai.dev.