Caelo CMS

Name: Caelo CMS
Author: caelo-cms

by caelo-cmsversion 0.11.21i★ –iRuns on your computer

Registry nameio.github.caelo-cms/caelo

Install

Overview

Description from the maker (original English)

Edit a self-hosted Caelo CMS site from your agent. Changes land in a draft; a human publishes.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other
You need to fill in: CAELO_ADMIN_URL, CAELO_MCP_TOKEN

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
You fill in yourself: CAELO_ADMIN_URL, CAELO_MCP_TOKEN, CAELO_IAP_SERVICE_ACCOUNT

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "caelo": {
      "command": "npx",
      "args": [
        "-y",
        "@caelo-cms/mcp-server"
      ],
      "env": {
        "CAELO_ADMIN_URL": "your-value",
        "CAELO_MCP_TOKEN": "your-value",
        "CAELO_IAP_SERVICE_ACCOUNT": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add caelo --env CAELO_ADMIN_URL=your-value --env CAELO_MCP_TOKEN=your-value --env CAELO_IAP_SERVICE_ACCOUNT=your-value -- npx -y @caelo-cms/mcp-server

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "caelo": {
      "command": "npx",
      "args": [
        "-y",
        "@caelo-cms/mcp-server"
      ],
      "env": {
        "CAELO_ADMIN_URL": "your-value",
        "CAELO_MCP_TOKEN": "your-value",
        "CAELO_IAP_SERVICE_ACCOUNT": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "caelo": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@caelo-cms/mcp-server"
      ],
      "env": {
        "CAELO_ADMIN_URL": "your-value",
        "CAELO_MCP_TOKEN": "your-value",
        "CAELO_IAP_SERVICE_ACCOUNT": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

CAELO_ADMIN_URL required env
Your Caelo admin's https:// address, e.g. https://admin.example.com
CAELO_MCP_TOKEN secret required env
MCP token minted at /settings/mcp on your install
CAELO_IAP_SERVICE_ACCOUNT env
Only for Google Cloud (IAP) installs; /settings/mcp shows the value

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account caelo-cms, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32700 servers in this category
Published to the registry more recently than 95% of the other 32700 servers in this category
Basic checks equal to or better than 100% of the other 32700 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Caelo CMS safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: CAELO_ADMIN_URL, CAELO_MCP_TOKEN

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.11.21) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Agent Data Tools: Utilities

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Spec Driven Development

by formulahendry

MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Runs on your computer★ 440MITUpdated 14 months ago

Install

Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated 2 days ago

Install

Agent Data Tools: Utilities

by Nutshell2000

103 tools: JSON repair, CSV, hashes, cron, dates, units, validators. 25 free calls.

Runs in the cloudUpdated today

Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

`@caelo-cms/mcp-server`

MCP servers for your Caelo CMS install. Two surfaces, selected by the token's scope:

`caelo_chat` (default mode, scope chat) — talks to Caelo's own AI agent. You describe an outcome; Caelo's chat-runner does the work.
Power-MCP (caelo-admin-mcp binary / caelo-mcp-server admin, scope admin) — the full chat-runner tool catalogue exposed directly, so YOUR agent (Claude Code et al.) drives the tool loop and Caelo makes no provider calls of its own. caelo-mcp-server export additionally writes a CLAUDE.md + .claude/skills/ tree generated from the install's live context.

Every mode is a thin shim: calls become HTTPS POSTs against your admin install's /api/mcp/* endpoints, which dispatch into the same chat-runner machinery that powers the live-edit overlay. See the MCP page in the docs for the full Power-MCP working model (work sessions, the shared draft, approval gates).

Install

In your Caelo install:

Visit /settings/mcp as an Owner.
Click New token, give it a name (claude-code, laptop, ci, etc.), optionally set an AI-spend cap (microcents), and copy the bearer that's shown ONCE.
The page shows ready-to-copy setup for Claude Code, Claude Desktop, Codex CLI, Cursor, VS Code and Gemini CLI — a terminal command or a JSON config entry, plus how the client picks it up.

Desktop apps (Claude Desktop, Cursor, VS Code) don't inherit your terminal's PATH: put the full path of bunx (which bunx) into their config instead of the bare name.

ChatGPT and claude.ai in the browser can't use this server: they only connect to MCP servers hosted on the internet (Streamable HTTP + OAuth), and this one runs on your machine over stdio. Tracked in #806.

Manual setup for any other MCP-aware client:

# stdio server invoked by your MCP-aware client

bunx @caelo-cms/mcp-server@latest

It switches to the exact release your install runs at startup (see the MCP page in the docs), so the command never needs a version; @latest keeps bunx from reusing an older cached install.

with these env vars set:

Variable	Required	Notes
`CAELO_ADMIN_URL`	yes	`https://admin.example.com` — point at your install. Must be `https://` (plain `http://` only for localhost).
`CAELO_MCP_TOKEN`	yes	Bearer minted at `/settings/mcp`.
`CAELO_IAP_SERVICE_ACCOUNT`	on GCP installs	The admin's MCP service account. `/settings/mcp` includes it in every client snippet when the admin is behind Google IAP.

Without CAELO_ADMIN_URL or CAELO_MCP_TOKEN the server still starts and lists its tools (MCP directories inspect servers that way), but every tool call fails and names the variable to set. Power-MCP then lists the catalogue shipped with this release (power-catalogue.json); once configured it always lists your admin's live catalogue, including plugin tools. export exits instead.

Installs behind Google IAP (GCP)

On gcp and gcp-firebase installs the admin sits behind Identity-Aware Proxy, which rejects every request before Caelo sees it unless it carries a Google credential. With CAELO_IAP_SERVICE_ACCOUNT set, the server signs a short-lived JWT as that service account (IAM Credentials signJwt, using your Application Default Credentials) and sends it in Authorization next to x-caelo-mcp-token: IAP checks the first, Caelo the second.

One-time setup on your machine:

gcloud auth application-default login

The provisioner creates the service account (caelo-mcp@ ), allowlists it on IAP and lets everyone on the IAP allowlist sign as it — on new installs via Pulumi, on existing ones during cms-provision upgrade. No service-account keys are involved.

The `caelo_chat` tool

Field	Type	Notes
`message`	string, required	What you want to say to the Caelo agent.
`chatSessionId`	uuid, optional	Continue an existing chat session.
`attachments`	array, optional	Up to four image references returned by `caelo_upload_images`.
`pageId`	uuid, optional	Bind a NEW chat to one page so the agent's page-context block populates.

Output: assistant reply text + a JSON block with chatSessionId (for the next call), requestId (click through to /settings/audit/ for the full audit trail), the structured tool-call summaries the agent dispatched, the per-turn cost in microcents, and a pendingProposals count so the agent can surface "you have N things waiting for Owner approval".

Why route editing through chat?

Browse / publish / propose actions happen *through* the chat — "which pages exist?" → the Caelo agent calls pages.list internally → answers in text. Same auth surface, same RLS scoping, same audit trail, same propose-execute Owner gate as the browser. The remote agent talks to a human-equivalent agent, not to a programmatic API.

License

MPL-2.0.

Image uploads

Both modes expose caelo_upload_images. For example, call it with:

{"images":[{"filePath":"/home/me/Pictures/character.png","alt":"Main character reference"}]}

Paths are local to the MCP process. Alternatively use base64 plus an optional filename; supply exactly one of filePath and base64. Uploads support PNG/JPEG/WebP/GIF, up to 5 MiB each, with at most four files per call. The result contains per-file successes/errors and an attachments array. Pass that array to caelo_chat alongside message to send actual image content to Caelo's AI. In admin mode, the returned asset IDs can be used with regular media/page tools.

The token owner's current content.write permission is required for either scope. Images are stored in the shared CMS media library; admin previews require authentication. Uploading alone does not publish a page. A partial batch keeps successful uploads — retry only the failed entries. See the MCP page in the docs for HTTP examples and server limits.

Caelo CMS

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

Agent Data Tools: Utilities

README from the maker

@caelo-cms/mcp-server

Install

Installs behind Google IAP (GCP)

The caelo_chat tool

Why route editing through chat?

License

Image uploads

`@caelo-cms/mcp-server`

The `caelo_chat` tool