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App

Connection

codex mcp add lerp --url https://lerp.gallery/mcp

Run the command. The app may open a browser at once. Sign in and approve access. No key in the command.

Free: 25 calls a day · Pro: 5,000 calls a day. Every app and key shares that rolling day.

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The Start, intro

A free example

The Start is open on the free plan. Its motion is measured from the capture, and the pack carries the number with its fit error.

See The Start

Test with your agent
  1. Sign in with your free account.
  2. Search for the start.
  3. Open the site thestart.
  4. Read the scroll prompt.
  5. Fetch the desktop clip at 1440 and the phone clip at 390.
  6. Build your own scroll sequence, then check it with reduced motion on: keep the movement short, drop the motion.

Copy this into your agent

Find The Start and rebuild its smooth-scroll feel with your own words and images.

1. search_sites with the query "the start".
2. get_site for the slug thestart.
3. get_prompt_pack for slug thestart with focus scroll.
4. get_media for slug thestart, kinds clip and keys, viewport 1440. Call it again with viewport 390. If you can read images, set inline to true.
5. Build an original scroll sequence from those facts. Then check it with reduced motion on: keep the movement short, drop the motion.

Read the measured number from the pack. Do not copy the site's code, fonts or assets. If a result says locked, it is a preview, not a failure.
API key fallback

Key, only if the app cannot sign in

codex mcp add lerp --url https://lerp.gallery/mcp --bearer-token-env-var LERP_API_KEY

Set LERP_API_KEY in your environment before you start the app. The file stores the variable name, never the key.