Carbon Arc is answering right now. Last checked 11 min ago. Last commit 7 Jun 2026.
The infrastructure for the AI economy: primitives for inference, agents, and decisions.
Nothing serious here today
Today is the operative word: we check Carbon Arc every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
claude mcp add mcp --transport http https://mcp.carbonarc.aihttps://mcp.carbonarc.ai[mcp_servers.mcp]
url = "https://mcp.carbonarc.ai"{
"mcpServers": {
"mcp": {
"url": "https://mcp.carbonarc.ai"
}
}
}{
"servers": {
"mcp": {
"type": "http",
"url": "https://mcp.carbonarc.ai"
}
}
}This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mcp.carbonarc.ai | streamable-http | sign-in | 384 ms | 11 min ago |
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Carbon Arc — questions
Answers built from our own checks of this server.