Periodic Table 2026 for Claude Code

io.github.changzhiai/periodic-table

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

client:Claude Code transport:streamable-http tools:4

Install Periodic Table 2026 in Claude Code

run in your project directory

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

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs