Final POS – Custom POS Builder

Connect Remote server

claude mcp add --transport http final https://ai.finalpos.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "final": {
      "url": "https://ai.finalpos.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "final": {
      "type": "http",
      "url": "https://ai.finalpos.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://ai.finalpos.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 80 found in our last check

• get_connection

  Who this connection acts as: organisation, user, the company Hub tools act on and the companies you may switch to, the allowed and listed packs, and how to reach tools that are not listed.

• list_packs

  Every tool pack with its product, description, tool count and whether it is allowed for this connection and listed right now.

• find_tools

  Search every allowed pack for tools by what you want to do ("low stock", "create a product", "deploy the app"). Returns matching tool names with their pack, whether they are listed and whether they change data. Run a read-only match with call_tool and a write with call_write_too…

• call_tool

  Run a read-only tool from any allowed pack by its full name (for example hub_find_low_stock) without it being listed. Only tools that read are accepted; tools that change data run through call_write_tool. Arguments follow that tool's own input schema, which find_tools returns.

• call_write_tool

  Run a tool that creates, changes, deletes, sends or deploys from any allowed pack by its full name (for example hub_update_product) without it being listed. Only tools find_tools marks as writes are accepted; read-only tools run through call_tool. Arguments follow that tool's ow…

• enable_packs

  Add packs to tools/list for this connection (remembered). Only allowed packs can be listed; the client refreshes its tool list.

• disable_packs

  Remove packs from tools/list for this connection to keep the list short. Tools stay reachable through call_tool and call_write_tool.

• ask_finai

  Hand a task in words to Finai, Final's own AI agent, and get its finished answer. It runs as this connection's user on its company, within the allowed packs, and uses Final's tools itself (looking records up, creating products, building or deploying an app). Use it for multi-ste…

• switch_company

  Choose the company Hub tools act on, by id or name (get_connection lists them). Remembered on this connection.

• flow_apply_blueprint_widgets

  COPY vetted blueprint widgets into a flow as real files — byte-exact, no transcription. Pass picks of { blueprintId, widgetId } (from list_blueprints / search_blueprints); the widget files land under src/widgets/<blueprint>/ with their command-frame plumbing intact, persisted as…

• flow_apply_upstream_update

  Apply the update reviewed with get_upstream_update. Pass resolutions: exactly one entry per conflict — { path, contents } with the COMPLETE merged file, or { path, delete: true } when the file should not exist. Missing, unknown or ambiguous entries fail the whole call with nothi…

• flow_connect_chat

  Attach this agent session to an EXISTING flow as a chat in the builder's rail (so the flow's owner sees your work alongside their own chats). Also use log_message to narrate what you're doing.

• flow_create_custom_table

  Create a new custom data table (schema: name + typed columns) in your Final organization. USE THIS for any data the app must keep — loyalty stamps, waitlists, bookings, inventory logs, settings: the platform syncs the table to every station running the flow and keeps it working…

• flow_create_flow

  Create a new, empty flow (app build) in your Final organization for YOU to write the app into. It appears in the Miami builder immediately, with this agent session attached as a chat. Optional theme knobs seed the live palette. Optional `device` ("mobile", "kiosk", "iphone", …)…

• flow_create_flow_from_blueprint

  Create a NEW flow that starts as a complete, vetted application rather than an empty file tree — the fastest path to a working build when an FBB (a Final Business Blueprint: a whole app) matches what the user wants. For an app the user merely DESCRIBED, use start_build (the webs…

• flow_delete_flow_files

  Remove files from a flow's tree by path. Engine-owned paths are rejected. Recorded as a checkpoint + chat note like writes.

• flow_deploy_flow

  Direct deploy for CI/agent workflows: builds the app in a server sandbox (npm install + vite build) and publishes the dist to Final web-hosting as a new live version. Two things stop a deploy: a failing build, and a hardcoded credential (a build is distributable to other compani…

• flow_get_blueprint

  INSPECTION ONLY — read a blueprint's overlay code by id (from list_blueprints) to understand how it works. To USE a blueprint, apply it: apply_blueprint_widgets for a widget-set (materializes its widgets byte-exact with the command-frame plumbing intact AND provisions the custom…

• flow_get_preview_status

  Authoritative server-side health probe of the flow's preview sandbox, plus a short snapshot of recent dev-server logs (useful to diagnose a red screen or crash).

• flow_get_scaffold

  The contract every Final flow app is built against: which files the ENGINE owns (never write them — they are re-asserted verbatim), the baseline package.json (Vite + React 19 + TS + Tailwind + command-frame), the rules your files must follow, and the runtime contracts that compi…

• flow_get_upstream_status

  Has the build this flow was copied from released a newer version? Covers both a "Make it yours" clone of a listing and a build started from an FBB. Returns update.status: "available" (a newer deployed release exists — review it with get_upstream_update), "current" (up to date),…

• flow_get_upstream_update

  Review what an update from the original build would change — the same review the builder shows its maker, shaped for an agent. Returns the releases since the clone, the clean changes (added/changed/removed paths, with full incoming contents for added+changed), and CONFLICTS: fil…

• flow_install_extension

  Install an extension ORG-WIDE: creates the install link on EVERY company in your Final organization (demo companies included), skipping companies that already have it, so it is safe to retry. Installing is deliberate and org-visible — confirm with your user and call this ONLY wh…

• flow_list_blueprints

  List EVERY vetted, type-checked blueprint available to reuse — working functionality (gift cards, loyalty, payment surfaces, product grids, carts, customer views, order tickets, receipts), not just screen layouts. Check the catalog BEFORE creating custom tables or hand-rolling a…

• flow_list_custom_tables

  List your organization's custom data tables with their column schemas. Custom tables are Final's built-in, station-syncing database — data written on one station is automatically synced to every other station running the flow, and keeps working OFFLINE at the point of sale. They…

• flow_list_extension_custom_tables

  List the CUSTOM TABLES an extension registers (table name + typed columns), so generated code can read/write its data at runtime via renderClient.getCustomTableData / upsertCustomTableData by table name (ground the calls with lookup_command_frame). Only the org's OWN extensions…

• flow_list_extension_surfaces

  List the SURFACES an extension exposes — embeddable iframe injection points, each with a surfaceId, a platform (builder/hub/render), a type, and a url. Render an installed surface inside a generated screen with the engine component `<ExtensionSurface surfaceId="<surfaceId>" />`…

• flow_list_extensions

  List the platform EXTENSIONS available to your organization — the org's own plus the public marketplace — so you can suggest, inspect, or install one. Each entry carries an id, label, category, short description, and its source (organization or public); public results need no hu…

• flow_list_flows

  List the flows (app builds) in your organization, newest first: id, title, timestamps, and live theme knobs. Final staff sessions also see Final's own flows, marked owner: "Final". Use a flow id with the other tools, or create_flow to start fresh. Clones of listed builds carry a…

• flow_list_secret_keys

  List the key NAMES already stored in your organization's encrypted secrets vault — never the values (no tool returns a secret value). Use this to (a) reuse an existing key instead of requesting a new one, and (b) poll whether a request_secret ask has been fulfilled by the human.…

• flow_log_message

  Record a message in this agent's chat inside the builder — the user's request (role 'user') or your own progress/summary (role 'assistant'). Keeps the builder timeline faithful to what happened in this session.

• flow_lookup_command_frame

  Look up the EXACT, version-locked command-frame API a generated Final POS app runs on: renderClient method signatures + params, CF* entity field lists, pub/sub topic event vocabularies, and worked examples. Pass one of method/entity/topic for a precise lookup, entity+field to co…

• flow_lookup_engine_component

  Look up the exact props/signature of an engine-owned `./final/*` helper: the `@/final/ui` primitives (Button, IconButton, Card, Tile, Input, Field, Chip, ListRow, Dialog, Sheet, Toolbar, Heading, EmptyState, cn) plus usePrint, StationHomeButton, SwitchUserButton, useStationHome,…

• flow_lookup_pos_api

  Look up the Final POS REST API (https://api.finalpos.com) — endpoint method/path, request fields, response shape, and a worked fetch example. This is the ONLINE-ONLY fallback for admin/management operations command-frame cannot express (creating products/variants/categories, cus…

• flow_open_in_builder

  The recommended way to finish: a deep link that opens this flow in the Miami builder, where the owner can review the work, restore checkpoints, and deploy through the Launch tool (validation gates, listing media, changelog, version history).

• flow_read_flow_files

  Read a flow's generated source tree. Omit `paths` to list all file paths (cheap); pass `paths` to fetch specific files' contents.

• flow_rename_flow

  Rename a build (flow) authoritatively across the platform in one call: the builder header, list_flows / open_in_builder, and the Deerlake catalog all reflect the new title, and updatedAt is bumped. A deployed build keeps its hosted web app: the hostname and version history are u…

• flow_request_secret

  Ask the flow's owner to enter a third-party credential (API key, auth token, webhook secret) into Final's encrypted vault. THIS TOOL TAKES NO VALUE and no tool ever returns one — the human types it into a masked input in the Miami builder, and it goes straight into the vault. Wh…

• flow_search_blueprints

  SEMANTIC search over the vetted blueprint catalog — matches are ranked by what you MEAN, not by shared words, so describe the capability in plain language ('rewards for repeat customers' finds the loyalty blueprint). RUN THIS FIRST — before creating custom tables or hand-rolling…

• flow_start_preview

  Boot the flow's server-side preview sandbox (Vite dev server) — or reconcile a running one to the flow's current files — and return its public HTTPS URL already pinned to this flow's mock dataset: the maker's pick, else its vertical's (sushi, not restaurant). Open the URL in a b…

• flow_stop_preview

  Stop the flow's preview sandbox and free its resources. The next start_preview cold-boots in a couple of seconds.

• flow_sync_preview

  Reconcile a (running or cold) preview sandbox to the flow's current files and run the green-build gate (tsc + vite build). Returns the gate result — the fastest way to know your code actually compiles. The engine forces parts of package.json on every sync: the dev/build/typechec…

• flow_update_custom_table

  Evolve an EXISTING custom data table's schema: add columns, change existing ones (rename/retype — destructive for stored rows, use sparingly), or drop columns. The table is identified by its kebab-case name from list_custom_tables. Tables are ORG-WIDE, so a schema change lands f…

• flow_validate_flow

  Deterministic STATIC checks against the platform contract: (1) guardrails — fabricated renderClient methods, forbidden browser APIs/imports, engine-file writes; (2) a REAL TypeScript check of command-frame usage against the PINNED .d.ts the app installs (the version is stamped i…

• flow_write_flow_files

  Create or overwrite files in a flow's tree (full contents, not diffs). Engine-owned paths are rejected — see get_scaffold. Every write lands as a restorable checkpoint and is narrated in the builder chat. If a live preview is running, follow up with start_preview to sync it. Val…

• hub_add_customer_note

  Add a note to a customer — an allergy, a preference, what happened with an order. Existing notes are KEPT; this appends. Takes the customer ID from get_customers. Staff read these in the cabinet, so write what the merchant said, not your own summary.

• hub_add_modifier_choice

  Add one choice to an existing modifier, leaving the rest alone. This is the safe way to extend a modifier — unlike update_modifier, it cannot drop anything. Appends to the end unless sortOrder says otherwise. price is the extra charge per unit as a human amount ("0.70"); omit it…

• hub_add_product_images

  Add photos to an existing product — from public URLs, or as base64 bytes when the merchant attached the file itself and there is no URL. URL images are downloaded and stored on the platform, so the product never depends on someone else's site staying up. Existing photos are KEPT…

• hub_add_tax_rate_to_group

  Add an EXISTING rate to a tax group, or change that rate’s compounding flag within the group. Both ids come from get_taxes. This shares the rate — it does not copy it. The group starts charging the rate’s existing per-outlet percentages, and a later edit to that rate changes thi…

• hub_adjust_stock

  Change the count of ONE variant at ONE outlet — the cabinet's "Adjust Inventory" action. CONFIRM WITH THE MERCHANT FIRST, repeating the product, the outlet, the reason and the number: this writes immediately, is permanently recorded against the employee in the stock history, and…

• hub_assign_role

  Move a team member onto a different role — this is how someone gains or loses access. Answers 'give Maria access to the reports', 'make him a cashier again', 'take away her permissions'. PERMISSIONS ARE POWER. Confirm with the merchant first, naming the person and the role out l…

• hub_cancel_booking

  Release a booked window. The order stays as it is — cancelling a booking is not a refund, and money is never moved here; if the customer is owed money, do that on the order. Confirm with the merchant before cancelling a booking somebody already paid for.

• hub_cancel_purchase_order

  Cancel an order the merchant no longer wants. CONFIRM FIRST, naming the supplier and the PO number — there is no undo, and the order disappears from the list rather than showing as cancelled. REFUSED once any stock has been received against it: that stock is real and the record…

• hub_confirm_booking

  Turn a hold into a real booking once the order behind it is paid, so it stops expiring. Needs the order the booking was sold on — confirming without one is refused, because a confirmed booking nobody can find on a receipt is worse than an expired hold.

• hub_create_booking_resource

  Add one bookable thing to the company directory. Call get_booking_resources first — a resource is reused across every service, so a second "Marco" would split one barber into two calendars and let him be booked twice at once. The name is what staff will see in the calendar.

• hub_create_booking_rules

  Create a booking policy. Call get_booking_rules FIRST and reuse a matching set instead — these are shared company-wide, not per product. `weeklyHours` are LOCAL wall-clock times at the outlet; if neither the outlet nor the company has a timezone the engine refuses availability w…

• hub_create_category

  Create a product category. Call get_categories FIRST — a second "Drinks" is easy to make and there is no merge. Pass parentId to make it a subcategory; leave it out for a top-level one. The cabinet's own form asks for a description, so ask the merchant for one rather than invent…

• hub_create_customer

  Create a customer. Call get_customers with the email or name FIRST — a duplicate splits one person’s order history in two and there is no merge from here. Email is required, exactly as in the cabinet's own customer form. Ask the merchant for anything you do not know instead of i…

• hub_create_modifier

  Create a new question the till can ask, with its choices. THIS ALONE DOES NOTHING AT THE TILL — follow it with link_modifier_to_category, or the modifier sits unused. Choose selectionType carefully, because it CANNOT be changed afterwards: "single" = pick exactly one (milk, cook…

• hub_create_outlet

  Open a new point of sale — the cabinet’s Add Outlet form. Name and the full street address (address, city, state, postCode) are all REQUIRED, exactly as on that form. Do NOT try to set a country: every outlet inherits the company’s country, and it can never be changed per outlet…

• hub_create_product

  Create a product in the merchant's catalogue. Call get_products first to make sure it does not already exist. Prices are HUMAN strings like "19.99" — this tool converts them into the company's currency itself, so never send cents. Tax: the company's standard tax table is applied…

• hub_create_product_option

  Create a new variation axis with its possible values. Use it only when get_product_options shows nothing suitable. The axis is shared across the whole catalogue, not one product — so confirm the name and values with the merchant first and reuse an existing axis when one fits.

• hub_create_purchase_order

  Write a new order to a supplier. It is created as a DRAFT — nothing reaches the supplier and no stock moves until send_purchase_order. PREREQUISITES, in this order: get_suppliers for the supplierId, get_outlets for the outlet the goods will be delivered INTO, then get_supplier_i…

• hub_create_role

  Create a new role with a chosen set of permissions — for when no existing role fits what the merchant wants someone to do. Check get_roles first; a near-match plus update_role is usually better than a fourth almost-identical role. PERMISSIONS ARE POWER. Confirm with the merchant…

• hub_create_station

  Add a VIRTUAL till — a browser-based station, the cabinet’s "Add Virtual Station". It is created at one outlet and starts AVAILABLE. You CANNOT create a native (device) station from here and must not try: a physical till enrols itself when someone opens the POS app on the device…

• hub_create_stock_transfer

  Move stock from one outlet to another — 'send 10 of these from the warehouse to the King Street shop'. CONFIRM WITH THE MERCHANT FIRST, naming both outlets and every quantity: this writes immediately and there is no undo from here. The stock LEAVES the source outlet at once; the…

• hub_create_supplier

  Add a business the merchant buys from. Only the name is required, and it must be unique among this company’s suppliers. Set contactEmail if the merchant will ever email purchase orders to this supplier — send_purchase_order has nowhere to send without it. A brand-new supplier ca…

• hub_create_tax_group

  Create an empty tax group (a tax profile that products get assigned to, e.g. "Standard", "Food", "Zero-rated"). Call get_taxes FIRST — a second group with the same meaning splits the catalogue and is a common way to end up charging two different taxes for one thing. The group ch…

• hub_create_tax_rate

  Create a named tax rate ("State Sales Tax", "GST") with its percentage, and optionally put it straight into a tax group. Check get_taxes first: if a rate with this meaning already exists, add_tax_rate_to_group reuses it, which is almost always what the merchant wants — duplicati…

• hub_create_user

  Add a POS user — someone who signs in at the till with a PIN. Mirrors the cabinet’s "New POS user" form: first and last name, a 4-6 digit PIN, a role, optionally a phone. They get access to every outlet of the company, which update_user can narrow afterwards. BACK-OFFICE (Hub) u…

• hub_delete_category

  Delete a category. Takes the category id ONLY — look it up with get_categories and never guess. CONFIRM WITH THE MERCHANT BEFORE CALLING, naming the category: there is no undo from here. Products in the category are NOT deleted — they are kept and simply lose this category, so a…

• hub_delete_customer

  Remove a customer from the merchant's list. Takes the customer ID ONLY — look it up with get_customers and never guess. CONFIRM WITH THE MERCHANT BEFORE CALLING, naming the customer: there is no undo from here. Their past orders are kept. If several customers match, list them an…

• hub_delete_media_file

  Permanently delete one file from the media library. Takes the file ID from get_media_library ONLY — never guess it. CONFIRM WITH THE MERCHANT BEFORE CALLING, naming the file: the image is destroyed and there is NO UNDO. Tell them this too, because the platform does not check it…

• hub_delete_modifier

  Remove a modifier from the catalogue AND detach it from every category at once — the till stops asking it everywhere. Check get_modifier first and tell the merchant which categories lose it. To stop asking it in ONE place only, use unlink_modifier_from_category. Past orders keep…

• hub_delete_modifier_choice

  Remove one choice from a modifier. Refused when it would leave a category asking for more choices than remain — the explanation names the category.

• hub_delete_outlet

  Close a point of sale permanently. Takes the outlet id from get_outlets. CONFIRM WITH THE MERCHANT FIRST, naming the outlet — there is NO undo from here. Tell them what goes with it: the stock recorded AT that outlet is removed and is NOT moved anywhere else (transfer it out fir…

• hub_delete_product

  Remove a product from the merchant's catalogue. Takes the product ID ONLY — look it up with get_products and never guess. CONFIRM WITH THE MERCHANT BEFORE CALLING, naming the product: this also removes all of its variants and there is no undo. If several products match, list the…

• hub_delete_role

  Delete a role the merchant no longer uses. Takes the roleId from get_roles. CONFIRM FIRST, naming the role — there is no undo. A role that anyone still holds cannot be deleted: the server refuses and tells you how many people are on it. Move them with assign_role first, and chec…

• hub_delete_station

  Remove a till from Run → Stations. Takes the station id from get_stations. CONFIRM WITH THE MERCHANT FIRST, naming the station — there is NO undo from here, and it takes a working register out of service: the device that used it has to be set up again in the POS app, and it come…

• hub_delete_supplier

  Remove a supplier the merchant no longer buys from. CONFIRM WITH THE MERCHANT FIRST, naming the supplier — there is no undo from here. Its item links go with it, so any auto-reorder rule pointing at this supplier stops producing suggestions. REFUSED while the supplier still has…

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