Stuart MCP server

Quote, validate, book and track Stuart courier deliveries; cancel jobs and check zone coverage. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect Stuart50 free tool calls a month

What can I ask?

Turn on the Stuart connector, then ask in plain words. The AI picks the tools.

What you can do with Stuart in Claude and ChatGPT

For shops and restaurants who send same-day courier deliveries with Stuart.

Get a price quote and courier ETA before booking

The AI prices a delivery from a pickup address to a dropoff address for a package type, and estimates the seconds until a courier arrives. Nothing is booked.

Check if addresses are covered and valid

The AI checks that a job would be accepted and that an address lies inside a Stuart zone. It can also read a zone's coverage area and scheduling slots.

Follow deliveries that are in progress

The AI lists jobs of the last 90 days filtered by status, with tracking URLs, driver and proof of delivery, and gets the courier's anonymous phone number.

Book a delivery and tell Stuart it is ready

The AI creates a job with one pickup and up to 8 dropoffs, which dispatches a courier, and signals that the order is packed. The job is charged.

Changes data

Update or cancel a delivery

The AI changes the reference, package description or contact details of a delivery, or cancels a whole job or one delivery. A fee may apply.

Changes data

How do I connect Stuart?

Before you connect

The login page asks for your Environment, API client ID and API client secret.

Find both in the Stuart admin under API credentials (admin.stuart.com for production, admin.sandbox.stuart.com for the sandbox; they are separate). Pick the matching environment below. We exchange the pair for an access token with Stuart; your credentials are used only to call the API on your behalf and are never shown to anyone. Creating a job books a real, charged courier on production: use the sandbox to try things out.

Claude claude.ai · Desktop

  1. Open Customize → Connectors, then click + Add → Add custom connector.
  2. Enter the name Stuart and this URL, then click Add:
    https://stuart.usefulapi.io/mcp
  3. Claude opens the login page: enter your Environment, API client ID and API client secret.
  4. In a chat, click + → Connectors and turn on Stuart.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

  1. Open Plugins, click +, then Add custom MCP server.
  2. Enter the name Stuart and this URL, choose OAuth as the authentication, confirm the warning and create it:
    https://stuart.usefulapi.io/mcp
  3. ChatGPT opens the login page: enter your Environment, API client ID and API client secret.
  4. In Plugins, install Stuart, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

claude mcp add --transport http stuart https://stuart.usefulapi.io/mcp

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "stuart": {
      "url": "https://stuart.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "stuart": {
      "type": "http",
      "url": "https://stuart.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add stuart --url https://stuart.usefulapi.io/mcp
codex mcp login stuart

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://stuart.usefulapi.io/mcp

Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Environment, API client ID and API client secret. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Proper user$9/mo · $90/yr10,000 tool calls / month
Pro+per user$39/mo · $390/yr100,000 tool calls / month

Each paid plan covers this Stuart server only. Ask your AI to run stuart_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with stuart_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with stuart_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

Tools 19

Show all 19 tools (the AI picks them for you)

Read only · 10

  • List delivery jobsstuart_list_jobs
    List the delivery jobs of the last 90 days, newest pickup first, with status, deliveries (tracking URLs, courier proof), driver and pricing. Filter by status, active or your client_reference. Paginated: when a page returns per_page rows, ask for the next page.
  • Get a delivery jobstuart_get_job
    One job in full: status, each delivery with tracking URL, pickup/dropoff addresses and contacts, ETA, cancellation, proof of delivery, driver, distance and pricing.
  • Get a delivery price quotestuart_estimate_price
    Price of a job before you create it: amount excluding and including tax, and currency. Nothing is booked. Needs pickup address, dropoff address and package type.
  • Validate a delivery jobstuart_validate_job
    Check that a job would be accepted (addresses geocode inside a covered zone, fields valid) without creating it. Returns {valid}.
  • Estimate courier arrival at pickupstuart_estimate_pickup_eta
    Estimated seconds until a courier could arrive at the pickup address, for the same job body as create. Nothing is booked.
  • Estimate time to dropoffstuart_estimate_dropoff_eta
    Estimated seconds to reach the destination address for a job (coordinates need the text address too). Nothing is booked.
  • Validate a pickup or dropoff addressstuart_validate_address
    Check that an address can be geocoded and lies inside a Stuart zone, as a pickup (picking) or a dropoff (delivering). A phone number is needed when the address is approximate.
  • Get a zone's coverage areastuart_get_zone_coverage
    GeoJSON of the picking or delivery area of an open Stuart zone (for example paris, london).
  • Get a zone's scheduling slotsstuart_get_zone_schedule_slots
    Available time slots (start and end, 15-minute steps) in a zone for a date, from the time of the request onward. Use a future date.
  • Get the courier's anonymous phone numberstuart_get_courier_phone
    Anonymised phone number of the courier assigned to a delivery. Only works once a courier is assigned; expires when the delivery ends.

Changes data · 5

  • Create a delivery job (dispatches a courier)stuart_create_job
    BOOKS A REAL, CHARGED DELIVERY: creates a job with one pickup and 1-8 dropoffs and starts looking for a courier right away (unless pickup_at schedules it: up to 4 days ahead, 30 for corporate accounts). Get a quote with stuart_estimate_price and check with stuart_validate_job first, and confirm with the user. Use the sandbox environment for tests.
  • Update delivery detailsstuart_update_job
    Change allowed details of a delivery in a job: client_reference, package_description, and the pickup/dropoff comment and contact (what is editable depends on the delivery status: once delivered only client_reference).
  • Cancel a delivery jobstuart_cancel_job
    Cancels a whole job and all its deliveries. Stuart may charge a cancellation fee once a courier is on the way; confirm with the user first. Give a reason key for reporting.
  • Cancel one deliverystuart_cancel_delivery
    Cancels a single delivery (one dropoff) of a multi-drop job. A cancellation fee may apply; confirm with the user first.
  • Signal that an order is ready for pickupstuart_mark_order_ready
    Tell Stuart the order is packed and ready for the courier to collect. Pass exactly one of job_id (all orders of the job) or delivery_id (one order). Send it only when the order is really ready.

Your usefulapi plan · 4

  • Usage status (free-tier meter)stuart_usage_status
    Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
  • Request a missing featurestuart_request_feature
    Tell usefulapi that the user needs something the Stuart tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
  • Upgrade to Pro or Pro+stuart_upgrade
    Get a paid plan for Stuart (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place: call without confirm first, as the reply states the exact charge for this account (the price difference for the rest of the period, or in a free Pro trial the full Pro+ price, as the trial ends); then call with confirm: true. Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
  • Cancel the Pro subscriptionstuart_cancel_subscription
    Cancel the caller's Stuart Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run stuart_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with Stuart in Claude or ChatGPT?

Get a price quote and courier ETA before booking. Check if addresses are covered and valid. Follow deliveries that are in progress. Book a delivery and tell Stuart it is ready. Update or cancel a delivery. See what you can do for the details.

Is this an official Stuart product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by Stuart. The server calls the Stuart API with your own Stuart access, so it sees only the data that your account can see.

Can I connect Stuart to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your Environment, API client ID and API client secret. See Before you connect for where to find them.

Do I put my Stuart key or an Authorization header in the client config?

No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Environment, API client ID and API client secret. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my Stuart credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Stuart API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Stuart.

Can the AI change my Stuart data?

Yes, if you approve it. 5 of the 15 Stuart tools can create or change data. The other 10 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this Stuart server only. Cancel any time: your paid plan then runs to the end of the paid period. Run stuart_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run stuart_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run stuart_cancel_subscription. Your paid plan continues to the end of the paid period.

What if a Stuart tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with stuart_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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