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What do you want Attio and Retell AI to do together?
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Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Attio can start in Retell AI
When List Entry Created in Attio
then Add Agent in Retell AI
When List Entry Updated in Attio
then Create Knowledge Base in Retell AI
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Attio and Retell AI
Triggers and actions 7 triggers · 40 actions
Trigger
List Entry CreatedTriggered when a record is added to an Attio list. Attio registers and removes the webhook automatically when the automation is turned on and off.
Trigger
List Entry DeletedTriggers when a record is removed from a list in Attio, giving you the deleted list entry's ID along with the list and the parent record it pointed at.
Trigger
List Entry UpdatedTriggers when a list attribute on an existing Attio list entry is changed, giving you the entry, the list, the parent record and the attribute that changed.
Trigger
Record CreatedTriggers when a new record is created in Attio, giving you the new record's ID and the object it belongs to.
Trigger
Record DeletedTriggers when a record is deleted in Attio, giving you the deleted record's ID and the object it belonged to.
Trigger
Record UpdatedTriggers when an attribute on an Attio record changes, giving you the record, the object it belongs to and the attribute that changed.
Trigger
Task CreatedTriggers when a new task is created in Attio, giving you the new task's ID and who created it.
Action
Create List EntryAdds a record to an Attio list as a new list entry and returns the entry.
Action
Create NoteCreates a note on an Attio record and returns the new note.
Action
Create or Update List Entry by Parent RecordAdds a record to an Attio list, or updates its existing entry if it is already on the list.
Action
Create or Update RecordCreates a record in Attio, or updates the existing record that matches on the chosen field.
Action
Create RecordCreates a new record on the chosen Attio object and returns it.
Action
Create Storage LocationAttaches a folder to an Attio record — either a folder stored in Attio or one linked from Dropbox, Box, Google Drive or OneDrive.
Action
Create TaskCreates a task in Attio, optionally linked to a record and assigned to a workspace member.
Action
Delete List EntryRemoves an entry from an Attio list.
Action
Find List EntriesReturns the entries on an Attio list.
Action
Find RecordsSearches records on the chosen Attio object and returns the matches.
Action
Update List EntryUpdates the list-specific field values on an existing Attio list entry. Fields you leave blank are left untouched.
Action
Update RecordUpdates the field values on an existing Attio record. Fields you leave blank are left untouched.
Action
Update TaskUpdates an existing Attio task's due date, done state, linked records or assignee. Anything you leave blank stays as it is. Attio does not allow the task's text to be changed.
Action
Add AgentCreate a new Retell AI voice agent attached to a response engine (Retell LLM, custom LLM, or conversation flow) and a voice.
Action
Create Knowledge BaseCreate a new Retell AI knowledge base from texts, URLs and/or a file.
Action
Create Retell LLMCreate a new Retell LLM Response Engine that can be attached to an agent. This is used to generate response output for the agent.
Action
Delete AgentDeletes an existing Retell AI agent, including all of its versions.
Action
Delete Knowledge BaseDelete an existing knowledge base.
Action
Delete Phone NumberDelete a phone number from your Retell AI account.
Action
Delete Retell LLMDelete a Retell LLM response engine.
Action
Get a CallRetrieves the full details of a Retell AI call (phone or web): status, transcript, recording links, post-call analysis, cost and latency.
Action
Get an AgentRetrieve the full configuration of a Retell AI voice agent.
Action
Get a Phone NumberRetrieve the details of one phone number in your Retell AI account, including its bound agents, nickname and webhook settings.
Action
Get a Retell LLMRetrieve the details of a Retell LLM response engine, including its prompt, model, tools and states.
Action
Get a VoiceRetrieve the details of a single Retell AI voice: its name, provider, accent, gender, age and a preview audio link.
Action
Get ConcurrencyGets your Retell AI organization's current number of ongoing calls and its concurrency limits.
Action
Get Knowledge BaseRetrieve the details of a knowledge base, including its processing status and sources.
Action
Import Phone NumberImport a phone number from your own telephony provider (for example a Twilio elastic SIP trunk) into Retell AI and optionally bind agents to it.
Action
List AgentsLists the voice and chat agents in the Retell AI account, optionally filtered by channel or by a name/id search.
Action
List CallsList calls in the Retell AI account, newest first by default, optionally filtered by agent, status, direction, numbers, time range and more. Returns up to 1000 calls; transcripts and recording URLs are not included (use Get a Call for those).
Action
List Knowledge BasesList all knowledge bases in the Retell AI account.
Action
List Phone NumbersLists the phone numbers in your Retell AI account (up to 1000).
Action
List Retell LLMsLists the Retell LLM response engines in the account.
Action
List VoicesList all voices available to the Retell AI account.
Action
Make a Phone CallStart a new outbound phone call from one of your Retell numbers, handled by a Retell voice agent.
Action
Register Phone CallRegister a phone call placed through your own (custom) telephony, so Retell issues a call id your telephony can connect the audio to.
Action
Update AgentUpdates an existing Retell AI voice agent's latest draft version. Only the fields you fill in are changed.
Action
Update CallUpdate the metadata, data storage setting or custom attributes of an existing Retell AI call.
Action
Update Phone NumberUpdates the agents, nickname, webhooks, country restrictions, SIP trunk and fallback settings of a phone number in Retell AI. Only the fields you fill in are changed.
Action
Update Retell LLMUpdate an existing Retell LLM response engine's configuration (prompt, model, etc).
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
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Questions
Attio and Retell AI, answered
What can start an automation from Attio?
Any of Attio's 7 triggers in the catalog, including List Entry Created, List Entry Updated, Record Created and Record Updated. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Retell AI when something happens in Attio?
Any of Retell AI's 27 actions, including Create Knowledge Base, Create Retell LLM, Update Agent and Update Call. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Retell AI to Attio?
Retell AI has no triggers in the catalog today, so automations start in Attio. If you need the other direction, ask: your agent reads Retell AI's API documentation and adds it.
Do I have to build a connector for Attio or Retell AI?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.