AssemblyAI for AI agents

AssemblyAI provides speech-to-text transcription and audio intelligence through an API, used by developers to turn recordings and calls into searchable text and summaries. Connect it once through Arc0, and your agent, or Claude, ChatGPT and Cursor, can use it through one MCP endpoint, limited to what each user approved.

Video and audioAPI keyMCP + RESTassemblyai.com
AUDIT LOG · ASSEMBLYAIPOLICY: acme-support
09:41:07 · claude · u_8f2read
assemblyai.list_transcripts
List Transcripts✓ allowed · 212ms
09:41:08 · claude · u_8f2read
assemblyai.get_transcript
Get Transcript✓ allowed · 164ms
09:41:09 · claude · u_8f2write
assemblyai.upload_media
Upload Media✓ approved · approved by user
09:41:12 · claude · u_8f2destructive
assemblyai.delete_transcript
Delete Transcript Content✕ blocked · policy: deny
EVERY ASSEMBLYAI CALL, ON THE RECORD
01 · USE CASES

What agents do in AssemblyAI.

01

Transcribe an uploaded audio file

Submit an audio file for transcription and retrieve the resulting text once it is done.

02

Search within a transcript

Search a completed transcript for a specific word or phrase mentioned in it.

03

Confirm before deleting transcript content

Deleting a transcript's content is permanent and should be confirmed before it runs.

02 · ACTIONS

9 AssemblyAI actions, graded by risk.

Every AssemblyAI action is tagged read, write or destructive, so one policy covers the whole app and new actions inherit the right default.

read

6

Look things up. Allowed by default.

  • assemblyai.get_transcript
    Get Transcript
  • assemblyai.list_transcripts
    List Transcripts
  • assemblyai.search_transcript
    Search Transcript
  • assemblyai.get_redacted_audio
    Get Redacted Audio
  • assemblyai.get_transcript_segments
    Get Transcript Segments
  • assemblyai.export_subtitles
    Export Subtitles

write

2

Create and change things. Allow, or ask the user first.

  • assemblyai.upload_media
    Upload Media
  • assemblyai.submit_transcript
    Submit Transcript

destructive

1

Delete, cancel or archive. Ask first, or deny outright.

  • assemblyai.delete_transcript
    Delete Transcript Content
03 · HOW IT WORKS

AssemblyAI in three steps.

  1. 01Your users connect AssemblyAIThey add their AssemblyAI api key on Arc0 Connect, under your brand. It goes straight into the vault.
  2. 02You set the rulesReads run, writes like “upload Media” can wait for the user, and “delete Transcript Content” can be denied outright.
  3. 03Any agent can actYour agent calls AssemblyAI through the Arc0 SDK or MCP, and so can Claude, ChatGPT and Cursor. Every call lands on the audit log.
POLICY.TS
await arc0.policies.set('assemblyai', {
  read: 'allow',
  write: 'ask',        // upload_media
  destructive: 'deny',  // delete_transcript
})

# Claude Code: the same connection, one URL
$ claude mcp add --transport http arc0 \
    https://mcp.arc0.ai/u/u_8f2
04 · AUTH AND DATA

How AssemblyAI connects.

Users add their AssemblyAI api key on Arc0 Connect. It is encrypted in the vault, never shown to the model, and each user can rotate or revoke it at any time.

The same AssemblyAI connection serves your agent over MCP and your own backend over REST and the proxy, so a user connects once. How Arc0 handles credentials →

AUTH
API key
CREDENTIALS
Per-tenant encrypted vault
MODEL SEES
Results only, never credentials
AUDIT LOG
Every call, on every plan
05 · WORKS WITH

Use AssemblyAI from any agent.

Claude
ChatGPT
Cursor
Codex
VS Code
OpenAI Agents SDK
Claude Agent SDK
Vercel AI SDK
Mastra
LangGraph
07 · FAQ

AssemblyAI and Arc0, answered.

Q01

Can I use AssemblyAI with Claude, ChatGPT or Cursor?

Yes. Connect AssemblyAI to Arc0 once, then add your Arc0 MCP URL to Claude, ChatGPT, Cursor, Claude Code or any other remote-MCP client. Each assistant only gets the AssemblyAI actions you allow.

Q02

How do users connect AssemblyAI?

Users add their AssemblyAI api key on Arc0 Connect. It is encrypted in the vault, never shown to the model, and each user can rotate or revoke it at any time.

Q03

Which AssemblyAI actions can my agent take?

9 in total: 6 read, 2 write and 1 destructive, such as “upload Media”. Your policies decide which of them each agent may call.

Q04

Can I stop my agent from deleting things in AssemblyAI?

Yes. Actions like “delete Transcript Content” are graded destructive. Set destructive actions to deny, or to ask so the user approves each one, and blocked calls still show up on the audit log.

Q05

Can my own backend call AssemblyAI too?

Yes. The same AssemblyAI connection is available over REST and through the Arc0 proxy, so your product and your agent share one connection per user.

Get started

Plug AssemblyAI into your agent.

Your users connect AssemblyAI once, under your brand. Your agent gets 9 actions behind your policies, with every call on the record.

Free to build · MCP + REST · Audit log on every plan