PreReason MCP: dated market context so agents stop inventing numbers
Show HN / docs (Oct 16): PreReason MCP (`npx @prereason/mcp`) gives Claude Code/Cursor/Muse pre-reasoned markdown briefings and metrics—33 briefings, 293 metrics, source-dated figures—so agents reason over attributed market context instead of undated guesses; free tier + OAuth/agent claim flow.