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mcp/harbor
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PlainQuant MCP

v1.1.0 changelog · 1

com.plainquant/plainquant

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

transport:streamable-http tools:3
Website

Target client

run in your project directory 

claude mcp add --transport http plainquant https://plainquant.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

list_events Read-only

list events

event_study

event study

check_stocks Read-only

check stocks

All 3 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.