MarkLayer runs on your own machine — the client starts it, so there is no endpoint to ping. 667 installs a week from npm. Last commit 7 Nov 2026.
Work visual annotations on a live webpage: watch, acknowledge, resolve, reply, or leave your own.
We read the source, 1 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
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'AAEAAAAPAIAAAwBwR0RFRgWBClAAAEDYAAAAfEdQT1Oyt2+DAABBVAAAJBBHU1VCQgcpSgAAZWQAAAMWT1MvMlR2A9oAAAF4AAAAYFNUQVTni8s4AABofAAAAEhjbWFwipQu+wAABdQAAAHUZ2FzcAAAABAAAEDQAAAACGdseWa0e6PSAAAJqAAANTRoZWFkO9bOzwAAAPwAAAA2aGhlYQxKCqsAAAE0AAAAJGhtdHgCRy2jAAAB2AAAA/xsb2NhRvJT/QAAB6gAAAIAbWF4c…
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add marklayer -- npx -y marklayer-mcp
{
"mcpServers": {
"marklayer": {
"command": "npx",
"args": [
"-y",
"marklayer-mcp"
]
}
}
}
[mcp_servers.marklayer]
command = "npx"
args = ["-y", "marklayer-mcp"]
{
"mcpServers": {
"marklayer": {
"command": "npx",
"args": [
"-y",
"marklayer-mcp"
]
}
}
}
{
"servers": {
"marklayer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"marklayer-mcp"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
MARKLAYER_ROOM (Same as --room: the share URL or room id to join at startup), MARKLAYER_API_BASE (Override the MarkLayer worker base URL. Defaults to https://marklayer.app; useful against a local dev worker), MARKLAYER_AGENT (Name shown to the humans in the room for this agent. Defaults to claude-code).
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Answers built from our own checks of this server.