How many tools does Caelus provide?

MCPBundles probed 35 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.

What authentication does Caelus require?

No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.

Provider hosted

No sign in

Tools: 35

MCP App

Caelus

Caelus is a clean-room, MIT-licensed TypeScript suite for validated astrology computation. It computes planetary positions, charts, events, hellenistic timing techniques, Vedic methods, and citable chart facts across browser, edge, Node, and MCP clients, without Swiss Ephemeris code, AGPL licensing, or ephemeris files.

https://www.ephemengine.com

Use in your AI tool

Use the tools from this page

Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.

ChatGPT ChatGPT app

Connect the MCP server

Connect straight to this server’s public endpoint.

Remote MCP URL

https://www.ephemengine.com/api/mcp

Claude.ai Cursor VS Code VS Code Insiders Goose LM Studio Cherry StudioChatGPT

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We add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.

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Last probed Sep 18, 2026 · www.ephemengine.com

35tools discovered

Explore capabilities (35)

other 24

Showing 25 of 35

Showing 25 of 35 tools from the public preview. Connect the server to inspect the full live tool list.

Sky3

Synthetic3

Other capabilities19

Natal Chart

other

natal_chart

A person's birth chart. Requires their exact birth date+time and birthplace (all three: date, lat, lon). Use this — not current_sky — whenever the question is about someone's natal/birth chart. Returns 13 bodies (sun–pluto, chiron, nodes) with sign, house, retrograde, speed; ASC/MC; cusps; major aspects with orb, applying/separating phase, and strength (1=exact). Vs Swiss Ephemeris (1850–2150): Sun–Saturn ≤1″, Uranus ≤1.9″, Neptune ≤4.6″, Moon ≤2.5″, Pluto ≤3.4″ (Chebyshev pack), Chiron ≤1″, mea

Description may be truncated on the public preview.

Add to workspace

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 brands

Frequently Asked Questions

What is the Caelus MCP server?

How do I connect Caelus to my AI agent?

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.

Operate this server?

Request removal if you do not want Caelus listed here, or claim the listing if you want to manage it on MCPBundles.

Operate Caelus?

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