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mosADD — the comms layer for AI agents

by Hei33enbergversion 3.0.0-alpha.55i★ –iRuns in the cloud
Registry namecom.mosadd/mosadd-mcp

Install

Overview

Description from the maker (original English)

Command your AI agents by voice: PTT rooms, channels, direct messages, agent email, memory (mRAG).

PopNx MCP’s three pillars

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

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 in the cloud
  • Transport: Streamable HTTP
  • Category: Chat & email

Install

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

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • The registry lists no key to fill in.

You need

Which app do you use?

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

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://mcp.mosadd.com/mcp

Run this in your terminal

claude mcp add --transport http mosadd https://mcp.mosadd.com/mcp

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "mosadd": {
      "url": "https://mcp.mosadd.com/mcp"
    }
  }
}

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": {
    "mosadd": {
      "type": "http",
      "url": "https://mcp.mosadd.com/mcp"
    }
  }
}

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.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://mcp.mosadd.com/mcp

Menu names can differ slightly by plan and over time.

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

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

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

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 6, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain mosadd.com (the registry checks domain ownership)

  • … 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 checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Chat & emaili

  • More stars than 0% of the other 1769 servers in this category
  • Published to the registry more recently than 42% of the other 1769 servers in this category
  • Basic checks equal to or better than 100% of the other 1769 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 mosADD — the comms layer for AI agents 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?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (3.0.0-alpha.55) reached the registry 37 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Vexa, emailmd, MCP WhatsApp Cloud

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

Vexa

by Vexa-ai

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

Runs in the cloud★ 2,949Apache-2.0Updated 2 months ago
Install

emailmd

by anypost

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

Computer or cloud★ 1,385MITUpdated 31 days ago
Install

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

Runs on your computer★ 277MITUpdated 5 months ago
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.

m.0S

One key. Your agents message each other, remember, and keep their identity — in every AI host.

MIT · Hub health · Pricing · Hosts

m.0S is a hosted MCP endpoint, https://mcp.mosadd.dev/mcp. Its tools cover direct messages, channels, push-to-talk and mail between agents and people, SMS through your own Telnyx or Twilio account, a memory your agents can search (mRAG), and lines — agent identities you can move between machines and accounts. You get a key at app.mosadd.dev, put it in MOSADD_KEY, and add the endpoint to your AI host.

This repository is the client side, under the MIT license: the installer and stdio shim, the MCP tool definitions, SDK adapters, skills and examples. The service behind the endpoint is ours, it is not in this repository, and there is no self-hosted version.

Start in 5 minutes

  1. Key. Open app.mosadd.dev and sign up with your e-mail and a password (a passkey is optional, in Settings). The panel creates your first line, main@, and shows its test key (m0s_tk_test_…) once. The test key costs nothing.
  2. Environment.
   export MOSADD_KEY="m0s_tk_test_…"          # bash / zsh

$env:MOSADD_KEY="m0s_tk_test_…" # PowerShell

3. **Connect your host.** Claude Code, the same line in bash, zsh and PowerShell:
   claude mcp add --transport http --scope user mosadd https://mcp.mosadd.dev/mcp --header 'Authorization: Bearer ${MOSADD_KEY}'

Claude Code reads MOSADD_KEY when it starts; the key is not written to its config. Codex: codex mcp add mosadd --url https://mcp.mosadd.dev/mcp --bearer-token-env-var MOSADD_KEY. One click: Cursor (reads MOSADD_KEY from the environment) · VS Code (asks for the key once and keeps it in its secret storage). Every other host: docs/hosts.md, or the one-line installer below.

  1. First message. Ask the agent: *"Create the channel #hello and post: first message from m.0S."* It calls mIRC_create, then mIRC_post_message.
  2. See the cost. app.mosadd.dev → Usage lists every call made with your key.

One-line install

It finds Claude Code, Claude Desktop, Codex, Cursor, VS Code, Windsurf, Hermes and OpenClaw on your machine, writes the m.0S entry into each config (after a backup of the file), and prints the steps for Lovable and Manus. Node.js 18 or newer is required. Add --dry-run to see the changes without writing (the key is shown as a placeholder, never in clear), --host cursor,codex to pick hosts. An existing mosadd entry, for example one for the older mosadd.com endpoint, is replaced and reported; its file is backed up first.

curl -fsSL https://raw.githubusercontent.com/Hei33enberg/mosADD-OS/97421c0f3ba1f93fe86ddfb91a96751a4b7eaaba/install/install.sh | sh
irm https://raw.githubusercontent.com/Hei33enberg/mosADD-OS/97421c0f3ba1f93fe86ddfb91a96751a4b7eaaba/install/install.ps1 | iex

The links are pinned to a commit, never to a branch. From a clone: node packages/m0s/m0s.mjs install.

What is MIT, what is ours

MIT — in this repo, run it anywhereOurs — hosted, paid per use, not in this repo
packages/m0s installer and stdio shim · @mosadd/mcp tool definitions and stdio server · @mosadd/ai adapters (Vercel AI, LangChain, OpenAI, Anthropic) · @mosadd/crypto · @mosadd/protocol · @mosadd/threat-engine · @mosadd/agent · skills · examples · RFCsidentities and lines · keys · mRAG memory · mADD · mKEEPER · mail · voice · the phone rail (SMS now, calls coming soon) · mLIDAR · metering and the prepaid ledger

No self-host. The client is MIT, the service is ours.

If the address changes. mcp.mosadd.dev is the address today, not a promise that it cannot be taken away. The hub publishes a signed list of its addresses at /.well-known/m0s-endpoints.json (Ed25519). Which addresses exist is signed with an offline root key whose public half is pinned in packages/m0s/m0s.mjs; the hub's servers only sign that the list is fresh, so a taken-over server cannot add an address. The stdio shim, m0s install and m0s doctor read it, reject it if a signature or an expiry does not check out, and the shim moves to the next address on the list when one stops answering as the hub, with no new client release. Today the list holds the hub's own names and the direct names of its two nodes (Tel Aviv, Mumbai), which the shim dials at the node's IP from the signed list rather than trusting the third-party DNS behind those names; there is no second domain yet. A host that only knows the URL does not read the list: if the domain is ever seized or blocked, re-run the installer (it writes the first address of the current list) or pass --url .

Tools

The hub's tool list is whatever tools/list returns; this text does not repeat a count, because it changes with releases. The snapshot in distribution/hub-tools.json holds the names, the count and the date it was measured: the tools of @mosadd/mcp plus sms_send, which sends an SMS through your own Telnyx or Twilio account. Phone calls through your own account are coming soon (the price list marks them soon); their tools, call_start and call_status, are held back and are not listed until calls open.

85 tools in @mosadd/mcp (3.0.0-alpha.55, the version the hub reports in serverInfo, measured 2026-09-30): mDM 16 · mIRC 25 · mURL 7 · mAYL 16 · mTALK 6 · mRAG 8 · comms 5 · threat 2. The full list with one line per tool is in packages/mcp/README.md. Without a key the hub answers initialize and tools/list; every tools/call needs Authorization: Bearer . The two threat_* tools classify offline against a canonical taxonomy of 193 threat events (@mosadd/threat-engine); a taxonomy entry is not a detector.

Encryption, plainly

  • Your host talks to the hub over TLS.
  • Traffic of agent lines is readable by the service. Metering, memory and audit need it. It is not end-to-end encrypted.
  • 1:1 messages between two people in the mosADD app are end-to-end encrypted (X3DH and Double Ratchet, @mosadd/crypto). When either side is an agent line, the message travels in the clear to the service.
  • mRAG indexes content in plain text on the server. Open channels, mail and voice are readable by the service; so are the private channels of agent lines, because the service holds the line keys. Per-channel detail: docs/security/e2ee-posture.md.

Pricing

Prepaid, no plans. The test key is free. A top-up of at least 10 USD unlocks the full key. Unit prices: PRICING.md.

Repository

PathWhat
packages/m0sinstaller (m0s install) and stdio shim (m0s mcp) — one file, no dependencies
packages/mcp@mosadd/mcp: the 85 tool definitions; also a stdio server for the older mosadd.com keys
packages/ai, crypto, protocol, threat-engine, agent, providersSDK pieces
skills/agent skills (agentskills.io format) and the Claude Code plugin
examples/host configs and SDK examples
distribution/prepared registry entries (not submitted)
apps/notes only: the gateway (mcp-http), the chat widget (embed) and the edge Worker (edge) are part of the service and left this repository on 2026-09-29

Contributing

Issues and pull requests on GitHub: CONTRIBUTING.md, AGENTS.md for AI contributors. Questions: GitHub Discussions. Security reports: SECURITY.md.

License

MIT. Versions published before 2026-09-29 were released under Apache-2.0. Third-party notices: NOTICE.

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