Merchant Context
Resolve sourced merchant facts and safe actions before an agent acts.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Resolve sourced merchant facts and safe actions before an agent acts.
How to connect
How to connect Merchant Context to Claude
The server address to paste into Claude settings:
https://api.merchant.atomandbits.com/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect Merchant Context to ChatGPT
The server address to paste into ChatGPT settings:
https://api.merchant.atomandbits.com/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect Merchant Context to Cursor
The server address to paste into Cursor settings:
https://api.merchant.atomandbits.com/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (9)
Raw names from tools/list. Only developers need these.
| get_service_info | Describe the Merchant Context service, price, and inspection checks. |
| check_merchant | Run a free merchant-site diagnostic. Agents should use resolve_merchant before relying on merchant facts or actions. |
| resolve_merchant | Resolve cached merchant identity, sourced facts, offers, terms, freshness, and safe actions for free. Call this before relying on merchant facts or starting an action. |
| search_merchants | Search cached merchant records by sourced offer, place, price, timing, policy, action support, and freshness. Payment and adoption never change order. |
| compare_offers | Compare only sourced offer fields from two or more merchants. Unknown values stay unknown and payment never changes order. |
| get_safe_actions | Return current merchant-owned action URLs, exact inputs, authority, confirmation, expiry, retry rules, recovery, and attribution. |
| preflight | Resolve one merchant, evaluate sourced intent constraints, select a safe action, state approval, and return attribution. |
| refresh_merchant | Pay for a fresh merchant inspection and cache refresh. Show the price and get explicit human approval first. |
| inspect_merchant | Compatibility alias for refresh_merchant. Show the price and get explicit human approval first. |