Periodic Table 2026

Connect Remote server

claude mcp add --transport http periodic-table https://theperiodictable.org/mcp

{
  "mcpServers": {
    "periodic-table": {
      "url": "https://theperiodictable.org/mcp"
    }
  }
}

{
  "servers": {
    "periodic-table": {
      "type": "http",
      "url": "https://theperiodictable.org/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://theperiodictable.org/mcp

Tools 4 found in our last check

• get_element

  Everything the Interactive Periodic Table knows about one element: classification, physical and chemical properties with units, electron configuration, discovery, a short summary and a longer introduction (uses, production, history, safety), plus the link to its page.

• search_elements

  Find elements by symbol, atomic number, or full or partial name in any supported language. Use it when a name is misspelled, partial or in another language.

• list_elements

  List elements, optionally filtered by category, block, period, group, state at 25 °C or a numeric property range, and sorted by a property. Without filters it lists all 118 elements in atomic-number order. Elements with no value for the range or sort property are left out.

• compare_elements

  Side-by-side numeric properties of 2-10 elements, with units.

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