Blitz MCP Server for iOS and App Store Connect: Setup for Claude and Cursor

• Shows the current project, tab and status

  Reports which project and tab are open in Blitz and whether it is streaming.

  Try: “What project is open in Blitz?”

  Read · app_get_state

• Switches the active tab in Blitz

  Moves the Blitz window to another sidebar tab, such as app information or screenshots.

  Try: “Go to the screenshots tab.”

  Write · nav_switch_tab

• Lists Blitz's tabs

  Returns all the tabs in the Blitz sidebar and their groups.

  Try: “Which tabs does Blitz have?”

  Read · nav_list_tabs

• Lists your Blitz projects

  Returns every project Blitz knows about.

  Try: “List my Blitz projects.”

  Read · project_list

• Shows the open project's details

  Returns the details of the project that is active now.

  Try: “Show the active project.”

  Read · project_get_active

• Opens a project by ID

  Opens one of your projects in Blitz.

  Try: “Open the project with ID abc123.”

  Write · project_open

• Creates a new Blitz project

  Creates a new project in Blitz.

  Try: “Create a new project called Notes.”

  Write · project_create

• Imports an existing project from a path

  Brings an existing iOS project from a folder on your Mac into Blitz.

  Try: “Import the project in ~/Code/MyApp.”

  Write · project_import

• Closes the current project

  Closes the project that is open.

  Try: “Close the current project.”

  Write · project_close

• Lists simulators and connected devices

  Returns every iOS simulator and physical device Blitz can see.

  Try: “Which simulators are available?”

  Read · simulator_list_devices

• Selects and boots a simulator

  Picks a simulator by its UDID and starts it.

  Try: “Boot the iPhone 16 simulator.”

  Runs code · simulator_select_device

• Reads Blitz's settings

  Returns the app's current settings.

  Try: “Show my Blitz settings.”

  Read · settings_get

• Changes Blitz's settings

  Updates settings in the running app, not yet saved to disk.

  Try: “Turn on auto-navigation.”

  Write · settings_update

• Saves settings to disk

  Writes the current settings to disk.

  Try: “Save the settings.”

  Write · settings_save

• Takes a picture of the Blitz window

  Captures the main Blitz window as an image.

  Try: “Show me what Blitz looks like right now.”

  Read · get_blitz_screenshot

• Reads Apple's rejection reasons

  Returns cached rejection feedback for an app version, such as guidelines broken and reviewer messages, without an Apple ID sign-in.

  Try: “Why was my last version rejected?”

  Read · get_rejection_feedback

• Reads the data behind any Blitz tab

  Returns structured data such as form values, versions, builds and whether the app is ready to submit, so the assistant does not need screenshots.

  Try: “Is my app ready to submit?”

  Read · get_tab_state

• Pre-fills your App Store Connect API key form

  Fills in the issuer ID and key file in Blitz's credential form. You confirm in the app before it is saved.

  Try: “Set up my App Store Connect key from this .p8 file.”

  Write · asc_set_credentials

• Fills in App Store Connect fields

  Fills one or more fields in the app information or other tabs, optionally for one locale, and can switch to that tab for you.

  Try: “Set the app subtitle to 'Notes that sync'.”

  Write · asc_fill_form

• Switches app information to another language

  Refreshes the app's localizations from App Store Connect and shows the one you pick.

  Try: “Switch app info to German.”

  Write · app_information_switch_localization

• Older name for the localization switch

  A deprecated alias for the app information localization tool.

  Try: “Switch the store listing to French.”

  Write · store_listing_switch_localization

• Switches the screenshots tab to another language

  Refreshes screenshot data from App Store Connect for a locale and loads its screenshot slots. Call it before changing slots for a specific locale.

  Try: “Open the Spanish screenshots.”

  Write · screenshots_switch_localization

• Puts a screenshot into a slot

  Imports a screenshot file into slot 1 to 10. If the slot is taken, later screenshots shift right.

  Try: “Put this image in slot 1.”

  Write · screenshots_put_track_slot

• Removes the screenshot in a slot

  Removes the screenshot staged in one slot, slot 1 to 10. Saving then syncs the change to App Store Connect.

  Try: “Remove the screenshot in slot 3.”

  Delete · screenshots_remove_track_slot

• Reorders the screenshots

  Reorders the current screenshot row using a full list of ten positions.

  Try: “Swap slots 2 and 3.”

  Write · screenshots_reorder_track

• Saves screenshot changes to App Store Connect

  Uploads the staged screenshot changes to App Store Connect for one device family or for all prepared ones in the current locale.

  Try: “Save the screenshot changes.”

  Write · screenshots_save

• Selects an App Store version

  Selects a version by ID or version string and refreshes the release view.

  Try: “Select version 2.1.”

  Write · asc_select_version

• Creates a new App Store version

  Creates a new version of the app, optionally copying metadata or review contact details from another version and attaching a build.

  Try: “Create version 2.2 and copy from 2.1.”

  Write · asc_create_version

• Checks submission readiness

  Checks what is missing for submission and opens the Submit for Review window in Blitz, listing any required fields still empty.

  Try: “Is my app ready to submit for review?”

  Write · asc_open_submit_preview

• Creates an in-app purchase

  Creates the purchase in App Store Connect with an en-US localization, a price and a review screenshot. The description says you must provide a screenshot.

  Try: “Create a $4.99 in-app purchase called Pro.”

  Write · asc_create_iap

• Creates an auto-renewable subscription

  Creates or reuses a subscription group, adds the subscription with an en-US localization and price, and uploads a review screenshot.

  Try: “Create a monthly $2.99 subscription.”

  Write · asc_create_subscription

• Opens the Apple ID sign-in window

  Opens a login window in Blitz so you can sign in to App Store Connect. The login cookies are synced to ~/.blitz/asc-agent/web-session.json for later calls.

  Try: “My App Store Connect session expired, sign me in again.”

  Write · asc_web_auth

• Confirms a newly created app record

  Polls App Store Connect up to 10 times for the app record created in the bundle ID setup, then runs the same confirmation as the Confirm button.

  Try: “Confirm the app I just created.”

  Write · asc_confirm_created_app

• Sets the app's price

  Sets the App Store price, with 0 for free, and can schedule a future price change.

  Try: “Make the app free.”

  Write · asc_set_app_price

• Sets up code signing

  Registers the bundle ID, creates a distribution certificate (and an installer certificate for macOS), installs the provisioning profile and configures the Xcode project.

  Try: “Set up code signing for this app.”

  Runs code · app_store_setup_signing

• Builds a signed IPA

  Archives the Xcode project and exports a signed IPA for App Store submission.

  Try: “Build the app for the App Store.”

  Runs code · app_store_build

• Uploads a build to App Store Connect

  Uploads an IPA to App Store Connect and TestFlight and can wait for processing to finish.

  Try: “Upload the latest build.”

  Write · app_store_upload

Watch out for

• It changes your live App Store Connect account

  Tools can create versions, in-app purchases and subscriptions, set the app price, and save screenshots to the store. By default Blitz shows a popup and waits for your approval before each of these calls (ASC form editing, screenshot upload and submit for review are separate toggles in Settings > Permissions). The Approve all switch turns the popups off. github.com

• It can sign, build and upload apps from your Mac

  app_store_setup_signing creates certificates and provisioning profiles, and app_store_build and app_store_upload build and upload an IPA. These calls are in the Build pipeline approval category, which asks first by default. Use it only on projects you mean to ship. github.com

• Apple ID session cookies are saved to disk

  asc_web_auth stores a web session in ~/.blitz/asc-agent/web-session.json for later calls. Treat that file like a password. github.com

• Removing a screenshot slot can reach the store

  screenshots_remove_track_slot removes a staged screenshot, and screenshots_save syncs the change to App Store Connect. github.com

• It needs the Blitz app running on your Mac

  The npm package is a thin bridge that exits unless /Applications/Blitz.app and its bridge script exist. github.com

• Official builds send anonymous usage events to Blitz

  The README says GitHub release builds may send anonymous telemetry, including MCP and App Store Connect tool usage events with a device ID, the tool type, success and duration. It says no project names, paths, form values or prompts are recorded. Source builds stay off by default. github.com

• The MCP server listens on localhost only

  The README says the built-in server binds to 127.0.0.1 and is not exposed to the network. github.com

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