Birth Chart Positions MCP for AI Agents. Accurate Calculation of Planetary Movements Across Zodiac Signs
Birth Chart Positions calculates a precise astrological map for any moment in time. Give it a date, time, and location, and it returns the celestial longitude of every major planet using advanced astronomical algorithms. You can pinpoint exactly where the Sun, Moon, Mars, Jupiter, and all other bodies were located at that specific second.
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Gets the precise celestial location of every major planet for any specific date, time, and coordinates.
Identifies which zodiac signs were occupied by planets at a given moment, allowing you to map concentrations of energy.
Takes raw ecliptic longitude degrees and accurately converts them into their corresponding zodiac sign and degree placement.
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What AI agents can do with 3 Astronomical Tools for Natal Charting and Planetary Movements
Use these three tools to calculate stellar positions, map sign occupancy, or convert raw astronomical degrees into usable zodiac signs.
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Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Birth Chart Positions MCPCalculate Sky Map
Calculates the exact orbital positions of all major planets for a specific location and time.
Find Bodies In Sign
Lists all celestial bodies that were located within a defined zodiac sign at a given...
Interpret Longitude
Converts raw astronomical degrees into clear zodiac signs and precise degrees.
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Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
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Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:
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Birth Chart Positions MCP: Calculating Celestial Alignments with Accuracy
Manually calculating planetary positions across different time periods is a massive pain. You spend hours cross-referencing ephemeris tables, dealing with conflicting data points, and manually converting degrees to signs just to establish a simple birth chart.
With this MCP, the process drops dramatically. Your agent simply takes the date, time, and coordinates, runs `calculate_sky_map`, and instantly provides a structured output showing every planet's exact location at that moment.
Birth Chart Positions MCP: Mapping Zodiac Influence for Deep Analysis
You don't just need the raw coordinates. You also have to figure out which planets are grouped together in a single sign, and then convert every raw degree into its proper zodiac context.
The combination of `find_bodies_in_sign` and `interpret_longitude` lets you move from vague data points to clear, actionable insights about planetary clusters. You're done with guesswork; you have the full map.
What Birth Chart Positions MCP for AI Agents MCP does for your AI
Need to know the planetary positions for a historical event or a personal birth chart? This MCP handles complex astronomical calculations, translating a precise moment in time and geographic coordinates into an accurate astrological map. It uses simplified VSOP87 algorithms to determine the ecliptic longitude for the Sun, Moon, and all major planets (Mercury through Pluto).
You can run calculate_sky_map to generate a full snapshot of the sky at any given second. Need to interpret raw degrees? Use interpret_longitude. If you only care about which signs were occupied, find_bodies_in_sign handles that too. It's all managed through Vinkius, giving your AI client direct access to this complex data without needing a dedicated database or API key.
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How to set up Birth Chart Positions MCP for AI Agents MCP
The bottom line is that you feed it coordinates and time, and it outputs a perfectly mapped celestial snapshot.
First, provide your agent with the necessary inputs: a specific date, time (including timezone), and geographic coordinates (latitude/longitude).
Your AI client sends this data to the MCP, which executes the required astronomical calculations using established algorithms.
The result is a structured dataset showing the calculated longitude for each body, ready for your agent to interpret into signs and specific placements.
Who uses Birth Chart Positions MCP for AI Agents MCP
Astrologers, researchers, or writers who deal with natal charts or historical events. If your job involves mapping cosmic influences to human lives, this MCP saves you hours of manual calculation and cross-referencing.
Needs to generate accurate birth charts for clients from various locations and time periods to determine planetary placements.
Requires the ability to calculate planet positions for specific historical dates or geographical points without manual ephemeris tables.
Needs reliable, accurate data on planetary alignments and signs to write detailed, technically correct astrological content.
Benefits of connecting Birth Chart Positions MCP for AI Agents MCP
Instead of cross-referencing multiple ephemeris tables, you use calculate_sky_map to get a single, accurate snapshot of the entire sky for any specific time and place.
Quickly identify clustered energies. With find_bodies_in_sign, you instantly know which planets shared a zodiac sign, making interpretation faster.
No more degree math confusion. The interpret_longitude tool handles converting raw astronomical degrees into clear, readable signs and degrees for your final output.
The system is reliable. It uses simplified VSOP87 algorithms, meaning the data you get is based on standard, accepted astronomical models.
You cut out manual lookup time entirely. Your agent runs these complex calculations in seconds, not hours of research.
Birth Chart Positions MCP for AI Agents MCP use cases
Analyzing a Historical Event's Cosmic Backdrop
A writer needs to set a scene based on the cosmic energy during the signing of a major treaty. Using calculate_sky_map, they feed in the date, time, and location, and their agent immediately returns the planetary configuration that day.
Drafting Natal Charts for Clients
An astrologer inputs a client's birth data. The MCP runs calculate_sky_map to map all planets, then uses interpret_longitude to structure the final report with clear sign placements.
Investigating Zodiac Sign Congestion
A student needs to know if multiple powerful influences gathered in one spot. They use find_bodies_in_sign for a specific sign (like Scorpio) to see which planets were grouped together on that date.
Birth Chart Positions MCP for AI Agents MCP tradeoffs
What to watch out for, and the recommended way to handle each one.
Assuming simple math works
A user tries to guess the planetary position based only on general knowledge without providing specific coordinates and time.
Always use calculate_sky_map. You must feed it precise data: date, time, latitude, and longitude. The tool needs those four inputs to work.
Ignoring sign interpretation
The agent gets a list of raw degrees (e.g., 145 degrees) but doesn't know how to translate that into the zodiac sign.
Run interpret_longitude immediately after getting raw data. This converts those confusing numbers into readable signs, like Leo at 15°.
Overlooking planetary groupings
The agent finds the Sun is in Cancer, but misses that Saturn and Neptune were also located there.
Use find_bodies_in_sign to check for concentrations. This tool specifically groups all bodies into a single sign so you don't miss any placements.
When to use Birth Chart Positions MCP for AI Agents MCP
Use this MCP if your core need is precise, time-stamped astronomical data—specifically mapping celestial bodies relative to Earth’s coordinates. You need to know where planets were at a specific moment (a birth chart or historical date). Don't use it if you only want general information about astrology; for that, generic reference guides work fine. Crucially, don't use this tool if you need data from non-astronomical fields, like market trends or human resource records—this is purely celestial mechanics. If your project requires converting complex degrees into readable signs, make sure to utilize interpret_longitude as part of the workflow.
Frequently Asked Questions
How does the Birth Chart Positions MCP work for calculating natal charts? +
It takes your client's specific birth date, time, and location. The MCP calculates where every major planet was at that exact second, giving you a professional-grade map of their cosmic placements.
I need to check planetary alignments for a historical event—can Birth Chart Positions do this? +
Yes. You provide the date and location of the event. The MCP calculates the positions of all bodies, letting you see exactly what the sky looked like when that event took place.
Does this tool help interpret raw astronomical degrees into zodiac signs? +
Absolutely. If you get a list of numbers (ecliptic longitudes), the MCP can convert those raw degrees into clear, readable zodiac signs and specific degree placements for your report.
What if I only want to know which planets were in one sign? +
The Birth Chart Positions MCP has a dedicated tool that filters out the noise. You just specify the sign (like Taurus), and it lists every planet found there on your chosen date.
