12andus Astrology
12andus Astrology delivers professional-grade astrological insights powered by precise calculations and personalized charts analysis. What You Can Explore Personality & Psychological Insights Discover your strengths, challenges, emotional patterns, and inner motivations based on your unique birth chart. Understand how you think, love, work, and make decisions through the lens of your planetary placements. Timing Guidance & Forecasts Receive personalized transit forecasts for up to one year ahead, revealing upcoming periods of growth, change, opportunity, or challenge. See when key planetary influences begin and end. Relationship Compatibility Explore the dynamics between you and anyone else through synastry analysis (how your charts interact) and composite charts (the unique energy your relationship creates together). For romantic relationships, understand the chemistry of attraction, emotional compatibility, communication styles, intimacy patterns, and long-term potential. The same depth of analysis applies to any relationship — family bonds, friendships, business partnerships, or professional collaborations. See where you naturally harmonize, where friction may arise, and how to navigate differences with greater awareness. Relationship Timing Go beyond static compatibility — see how transiting planets activate your composite chart, revealing the best times for important relationship milestones, conversations, or decisions. Key Features - Private Birth Data Storage — Securely save up to 50 birth charts under your account for instant access to readings without re-entering data - Birth Charts — Complete natal analysis including planets, houses, aspects, and retrograde positions - Transit Charts — Forecasts from 1 day to 365 days showing active planetary influences - Relationship Charts — Synastry and composite analysis between any two saved people - Relationship Forecasts — Transits to composite charts revealing relationship timing Unmatched Precision 12andus calculations consider the exact planetary positions based on your specific birth date, time, and place. When birth time is unknown, the system adapts intelligently, providing insights without house-dependent data. Holistic Readings Unlike fragmented interpretations that list placements one by one, 12andus synthesizes your chart holistically — weaving together planetary positions, aspects, and houses into a unified narrative that reflects how these energies actually work together in your life.
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https://12andus.com/https://mcp.12andus.com/mcpLast probed Nov 3, 2026 · mcp.12andus.com
12tools discovered
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Setup Profile
setup_profileOpen an inline form to create or update an astrology profile. Call this tool — DO NOT ask the user for birth details in plain text — when the user wants a personalized reading but has no saved profile yet, OR when they explicitly ask to update / edit / change a saved birth profile. Specifically: - User asks "read my chart" / "do my reading" / "tell me my horoscope" and astrology_menu / list_birth_charts shows zero saved profiles for them → call setup_profile so the inline form opens.
Description may be truncated on the public preview.
Add to workspaceSchemas and invoke metadata: Directory API
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brands12andus Astrology delivers professional-grade astrological insights powered by precise calculations and personalized charts analysis. What You Can Explore Personality & Psychological Insights Discover your strengths, challenges, emotional patterns, and inner motivations based on your unique birth chart. Understand how you think, love, work, and make decisions through the lens of your planetary placements. Timing Guidance & Forecasts Receive personalized transit forecasts for up to one year ahead, revealing upcoming periods of growth, change, opportunity, or challenge. See when key planetary influences begin and end. Relationship Compatibility Explore the dynamics between you and anyone else through synastry analysis (how your charts interact) and composite charts (the unique energy your relationship creates together). For romantic relationships, understand the chemistry of attraction, emotional compatibility, communication styles, intimacy patterns, and long-term potential. The same depth of analysis applies to any relationship — family bonds, friendships, business partnerships, or professional collaborations. See where you naturally harmonize, where friction may arise, and how to navigate differences with greater awareness. Relationship Timing Go beyond static compatibility — see how transiting planets activate your composite chart, revealing the best times for important relationship milestones, conversations, or decisions. Key Features - Private Birth Data Storage — Securely save up to 50 birth charts under your account for instant access to readings without re-entering data - Birth Charts — Complete natal analysis including planets, houses, aspects, and retrograde positions - Transit Charts — Forecasts from 1 day to 365 days showing active planetary influences - Relationship Charts — Synastry and composite analysis between any two saved people - Relationship Forecasts — Transits to composite charts revealing relationship timing Unmatched Precision 12andus calculations consider the exact planetary positions based on your specific birth date, time, and place. When birth time is unknown, the system adapts intelligently, providing insights without house-dependent data. Holistic Readings Unlike fragmented interpretations that list placements one by one, 12andus synthesizes your chart holistically — weaving together planetary positions, aspects, and houses into a unified narrative that reflects how these energies actually work together in your life.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
MCPBundles probed 12 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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