PlainQuant for Claude.ai

com.plainquant/plainquant

Free, read-only US and HK stock research: event studies, stock scores, rule results and SEC filings.

client:Claude.ai transport:streamable-http tools:3

Install PlainQuant in Claude.ai

Settings → Connectors → Add custom connector

https://plainquant.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

list_events
event_study
check_stocks

PlainQuant in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

PlainQuant MCP server