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mcp/harbor
Verified official

oeis mcp server MCP

v0.1.2 changelog · 1

io.github.cyanheads/oeis-mcp-server

Identify integer sequences by terms, search the OEIS, read formulas, programs, b-files, cross-refs.

transport:streamable-http runtime:npm tools:6
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Target client

run in your project directory 

claude mcp add --transport http oeis-mcp-server https://oeis.caseyjhand.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

oeis_identify_sequence

oeis identify sequence

oeis_search_sequences

oeis search sequences

oeis_get_sequence

oeis get sequence

oeis_get_terms

oeis get terms

oeis_get_cross_refs

oeis get cross refs

oeis_list_reference

oeis list reference

All 6 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.