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Why use the developer API and MCP server

The developer section lets your own tools use the same Proset features you use in the app: transcribing audio and converting transcripts into artifacts. This page explains what the two connection options are and when each one helps.

One set of abilities, two ways to connect​

Proset offers two connections that do the same things in different styles:

  • The REST API is for programs you write. You send a request and receive a response, one step at a time.
  • The MCP server is for AI assistants that understand MCP (Model Context Protocol), a standard that lets an assistant call outside tools. You add one address, and the assistant can use Proset directly while it works with you.

Both read and write only the data of the key owner. Connecting a tool never shares your data with another user.

Your key is your permission​

Every connection starts with an API key that you create in Settings → Developer. The key acts like a password for your own data:

  • It is shown once. Proset keeps a one-way hash, so it cannot display the key again.
  • It can expire after 30, 90, or 365 days, or never.
  • You can revoke it at any time, which immediately stops any tool using it.

Because the key carries access to your recordings and artifacts, treat it the way you would treat a password.

Your plan still applies​

API and MCP use draws from the same monthly token allowance as in-app use. A transcription costs one token per second of audio, and a conversion costs the tokens the AI model actually uses. This keeps costs predictable and means your existing plan is the only thing you need to think about.

REST or MCP? A quick guide​

Choose the REST API when:

  • you are writing your own script or integration; or
  • you want precise control over each request.

Choose the MCP server when:

  • you use an AI assistant such as Claude or Cursor; or
  • you want the assistant to read your recordings and produce artifacts without switching apps.

The two can be used together. The same key works for both.

Where to go next​