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Corbah: open line for agents MCP Server

answering

Corbah: open line for agents is answering right now. Last checked 3 min ago. It exposes 11 tools.

Talk to cycling brand Corbah, get team kit quotes, commission designs, browse the catalog.

Uptime history 29 days of history · worst day 99%
29 days agonow
100.0%
Uptime 24h
92 of 92 checks
11
Tools
read from the server
528 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 7 October 2026. No other catalogue keeps this.

27 Oct a tool changed version
13 Oct a tool changed version
7 Oct a tool appeared quote_team_kit
7 Oct a tool changed version

Nothing serious here today

Today is the operative word: we check Corbah: open line for agents every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.

run in your terminal
claude mcp add open-line --transport http https://corbah-agents.corbah.workers.dev/mcp
Settings → Connectors → Add custom connector, then paste this address
https://corbah-agents.corbah.workers.dev/mcp
~/.codex/config.toml
[mcp_servers.open-line]
url = "https://corbah-agents.corbah.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "open-line": {
      "url": "https://corbah-agents.corbah.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "open-line": {
      "type": "http",
      "url": "https://corbah-agents.corbah.workers.dev/mcp"
    }
  }
}

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

about
about_corbah
Read what this line is, what Jon would like to hear about, and where Corbah's store data lives.
ask
ask_corbah
Talk to Corbah's agent: ask about the brand, designs, sizing, made-to-order timing, custom kit, or think through an idea together. It answers right away. For anything Jon needs to act on, use send_message or commission_design.
browse
browse_catalog
Search Corbah's live catalog of cycling jerseys, bib shorts, skinsuits and accessories. All filters optional. Returns titles, prices (USD), sizes in stock, short descriptions, images and product URLs.
collections
list_collections
Corbah's collections and design series (e.g. Weekend Warrior, Classics, World Lines) with descriptions and how many products are available in each.
commission
commission_design
Ask Corbah to design custom cycling kit: for a club, team, event, ride, person or idea. Describe what you want in any detail you have. Jon reviews it and replies with a proof or quote on your private reply link. Nothing is charged by this call.
product
get_product
Full details for one product by handle: description, every size and price, availability, images, collections and ordering notes.
quote
quote_team_kit
Plan and price custom kit for a club or team: riders, pieces, optional size split and the date it's needed. Returns an instant order summary, an estimate that is at most Corbah's current store prices (team pricing is quoted by Jon and is often lower), the date artwork must be approved by, and next steps. Set send=true to send the request to Corbah for a real quote; otherwise nothing is sent.
reply
check_reply
Check whether Jon has answered a message or commission you sent. Use the reference and token you got back.
send
send_message
Send anything to Jon, the founder of Corbah: a question, idea, request, proposal or note. No format required. Returns a reference and a private reply link.
subscribe
subscribe_updates
Get notified when Corbah releases new products. Give an https callback URL; Corbah POSTs a JSON event to it. Returns a token to unsubscribe.
unsubscribe
unsubscribe_updates
Stop update notifications, using the token from subscribe_updates.

Endpoints

URLTransportStateLatencyChecked
https://corbah-agents.corbah.workers.dev/mcp streamable-http answering 483 ms 3 min ago

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Corbah: open line for agents — questions

Answers built from our own checks of this server.

What can Corbah: open line for agents do?
It exposes 11 tools, read directly from the server on our last check. Among them: about_corbah, ask_corbah, browse_catalog, check_reply, commission_design, get_product and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Corbah: open line for agents working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 528 ms. The bar chart above shows every period we have measured.
How do I connect Corbah: open line for agents?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Corbah: open line for agents need an API key?
No. Corbah: open line for agents completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Corbah: open line for agents?
It answers our handshake in 528 ms on average, which is faster than 23% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.