io.github.changzhiai/periodic-table

up checked 2026-11-11T06:38:17.322Z

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Publisher-provided title

Periodic Table 2026

Publisher-provided description

Interactive periodic table with all 118 elements. Properties, comparisons, and more.

Summary by lookupd

Look up, search, filter, and compare properties of the 118 chemical elements, including electron configuration and classification.

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

codex mcp add periodic-table --url https://theperiodictable.org/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• get_element Everything the Interactive Periodic Table knows about one element: classification, physical and chemical properties with units, electron configuration, discover
• 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 l
• compare_elements Side-by-side numeric properties of 2-10 elements, with units.

Details

• Version: 1.0.6
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 776 ms
• First indexed: 2026-11-01T09:23:07.839Z
• Last seen in registry: 2026-11-01T09:23:07.849Z
• Website: https://theperiodictable.org

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