Markets research for agents
Nomina is a read-only MCP server for financial markets research: ticker search, sourced
price history, and date-aligned comparisons over Yahoo Finance’s public endpoints, with no
API key, account, or trading access. v1.0.0 ships as a Claude Desktop extension, is listed in
the official MCP Registry as io.github.nomina-xyz/nomina-mcp, and appears in the Gemini
CLI extension gallery.
search_markets: symbols and dated headlines for a company, asset, sector, or topic.research_asset: quote, period return, dated price history, and related news for one symbol.compare_assets: 2–6 symbols aligned on shared session dates, local currencies, explicit
adjusted-vs-raw basis.nomina://sources and prompt research_brief.server.json), Gemini CLI (gemini-extension.json), and
Agent Plugins (plugin.json, mcp.json).Nomina.mcpb from the release and install it via Settings →
Extensions → Advanced settings → Install Extension.uv run --frozen --no-dev --directory <clone> server.py.gemini extensions install https://github.com/nomina-xyz/nomina-mcp.Yahoo Finance’s public endpoints can be delayed, incomplete, or rate limited, and its terms restrict automated collection and redistribution — see Data sources and limits.
curl "https://registry.modelcontextprotocol.io/v0.1/servers?search=io.github.nomina-xyz/nomina-mcp"