Final POS

This repo is the official home for connectingyour own AI agentto Final. It ships:

- AGemini CLI extension(this repo installs directly).
- The hostedFinal Flows MCP server— 20 tools for grounded API lookups, vetted screen blueprints, flow file writes, live sandbox previews, validation gates, and deploys.
- TheFinal docs MCP server— search the Final POS REST API.
- Setup snippets forClaude Code, Cursor, ChatGPT, and any MCP client.

All clients authenticate with a Finalorganization API key(sk_...):

gemini extensions install https://github.com/Final-Commerce/final-pos-mcp

You'll be prompted for yourFINAL_API_KEYduring install (stored in your system keychain). Change it later with:

/final-pos:new a coffee-shop kiosk with a product grid, cart, and card payments /final-pos:preview # live sandbox preview URL /final-pos:validate # run the full gate suite /final-pos:deploy # ship it

claude mcp add final-flows --transport http https://build.finalpos.com/api/mcp \ --header "Authorization: Bearer sk_YOUR_KEY"

{ "mcpServers": { "final-flows": { "url": "https://build.finalpos.com/api/mcp", "headers": { "Authorization": "Bearer sk_YOUR_KEY" } } } }

The server speaks standardStreamable HTTP:

- Endpoint:https://build.finalpos.com/api/mcp
- Auth header:Authorization: Bearer sk_YOUR_KEY(orx-api-key: sk_YOUR_KEY)

In ChatGPT, add it as a connector underSettings → Connectors(developer mode). Works the same in VS Code, Windsurf, Zed, and anything else that speaks MCP.

A typical build:get_scaffold→create_flow→ ground every UI call inlookup_command_frame→ adapt a vetted blueprint →write_flow_files→validate_flow→start_preview→ hand you a live URL.

All tool calls are scoped to your own organization's flows. Rate limits per key: 30 preview boots/hour, 12 builds+deploys/hour, 300 file writes/hour.

- Your API key is org-scoped and revocable; the secret is never stored by this extension repo — Gemini CLI keeps it in your system keychain.
- The MCP servers are hosted by Final; no code from this repo runs locally except prompt/context files.
- Agents cannot touch engine-owned files, and every deploy passes guardrail, typecheck, and secret scans.

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