INDIVIDUAL MCP TOOL

nomic_list_tags

List the tags defined on one projection — the labelled selections a person made on the map.

usefulapi.ionone authenticationAvailability not checked

LIVE ENDPOINT

https://nomic-atlas.usefulapi.io/mcp

No auth detected

Connect to this endpoint to inspect the live schema for nomic_list_tags and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.nomic-atlas-mcp]
url = "https://nomic-atlas.usefulapi.io/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "nomic-atlas-mcp": {
      "type": "http",
      "url": "https://nomic-atlas.usefulapi.io/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: nomic-atlas-mcp
Remote MCP URL: https://nomic-atlas.usefulapi.io/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "nomic-atlas-mcp": {
      "url": "https://nomic-atlas.usefulapi.io/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "nomic-atlas-mcp": {
      "type": "http",
      "url": "https://nomic-atlas.usefulapi.io/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "nomic-atlas-mcp",
  "transport": "streamable-http",
  "url": "https://nomic-atlas.usefulapi.io/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

nomic_get_user — Fetch the account the API key belongs to, including the organisations it can access.
nomic_get_organization — Fetch an organisation by slug, with the datasets it holds.
nomic_get_dataset — Fetch a dataset (Atlas calls it a project) by id — its schema, size, indices and projections.
nomic_get_dataset_by_slug — Fetch a dataset by organisation slug and dataset slug — the human-readable path, and usually easier than finding the UUID.
nomic_nearest_neighbors_by_id — Semantic search: given the ids of records already in a dataset, return their nearest neighbours in embedding space, with distances.
nomic_get_index_job — Fetch the status of an index-building job.
nomic_get_projection_schema — Fetch the field schema of one projection — the columns available on its records.
nomic_get_tag_status — Check whether a tag has finished computing its membership.