Connect Retell Ai to AI agents

Connect Retell Ai to Claude, Codex, Cursor, or other AI agents for your entire team. Metorial security, governance, observability, and gives your team a unified Magic MCP url to connect.

Supported Tools

delete_phone_number

Delete Phone Number

Delete a phone number from your Retell AI account. This action is irreversible.

get_agent

Get Voice Agent

Retrieve detailed configuration of a specific voice agent by its ID, including voice settings, response engine, language, webhook configuration, and more. Optionally specify a version to retrieve a specific version of the agent.

create_batch_call

Create Batch Call

Create a batch outbound calling campaign to automate large-scale outreach. Specify a source number and a list of tasks (destination numbers) with optional per-call customizations. Campaigns can be scheduled or started immediately.

get_call

Get Call

Retrieve detailed information about a specific call, including transcript, recording URL, call analysis, cost breakdown, latency metrics, and disconnection reason.

make_phone_call

Make Phone Call

Initiate an outbound phone call. Specify the source number (must be owned/imported in Retell) and destination number. Optionally override the agent, inject dynamic variables, or attach metadata.

delete_agent

Delete Voice Agent

Delete a voice agent and all of its versions. This action is irreversible.

create_web_call

Create Web Call

Initiate a browser-based voice call via WebRTC. Returns an access token that can be used by the frontend to join the call room. No telephony infrastructure required.

get_concurrency

Get Concurrency

Check your current call concurrency usage, limits, and purchasing capacity. Useful for monitoring capacity before launching batch campaigns.

list_calls

List Calls

List and filter calls in your Retell AI account. Filter by agent, status, type, direction, sentiment, date range, and more. Supports pagination and sorting.

list_phone_numbers

List Phone Numbers

List all phone numbers in your Retell AI account, including their assigned agents, type, and configuration.

list_knowledge_bases

List Knowledge Bases

List all knowledge bases in your Retell AI account, including their status, sources, and configuration.

purchase_phone_number

Purchase Phone Number

Purchase a new phone number from Retell. Specify an area code and optionally assign inbound/outbound agents.

get_knowledge_base

Get Knowledge Base

Retrieve detailed information about a specific knowledge base, including its sources and processing status.

update_agent

Update Voice Agent

Update the configuration of an existing voice agent. You can modify voice settings, language, webhooks, behavioral parameters, response engine, and more. Only provided fields will be updated.

create_agent

Create Voice Agent

Create a new voice agent with a specified voice and response engine configuration. Agents can be configured with various voice settings, language, webhooks, and behavioral parameters.

list_voices

List Voices

Browse available voices for Retell AI agents. Returns all voices with their provider, gender, accent, and preview audio. Use to find the right voice ID when creating or updating agents.

get_phone_number

Get Phone Number

Retrieve details of a specific phone number, including assigned agents, webhooks, and country restrictions.

delete_knowledge_base

Delete Knowledge Base

Delete a knowledge base from your Retell AI account. This action is irreversible.

delete_call

Delete Call

Delete a call record from your Retell AI account. This action is irreversible.

list_agents

List Voice Agents

List voice agents in your Retell AI account. Returns agent configurations including voice, language, and publication status. Supports pagination for large collections.

update_phone_number

Update Phone Number

Update configuration of an existing phone number, including assigned agents, webhooks, and country restrictions.

More integrations teams use with Retell Ai

Slack

Slack: connect with bot OAuth or user OAuth. Send, update, delete, and schedule messages; list and cancel scheduled messages; open DMs and group DMs; manage conversations, members, files, reactions, pins, bookmarks, reminders, user groups, and user status; search messages and files with user scopes; and retrieve user, conversation, and workspace info.

GitHub

Manage repositories, issues, and pull requests. Create and configure branches, star repositories, review code, and merge changes. Automate CI/CD workflows with GitHub Actions, manage workflow runs, secrets, and artifacts. Track issues with labels, milestones, and assignees. Search across code, repositories, issues, and users. Manage organizations, teams, and memberships. Create and manage projects, gists, packages, deployments, and environments. Access security alerts including code scanning, secret scanning, and Dependabot alerts. Read and write file contents in repositories. Manage webhooks, notifications, and codespaces.

Sharepoint

Manage SharePoint sites, document libraries, lists, and files. Create, read, update, and delete lists and list items with custom columns. Upload, download, move, copy, and version files in document libraries. Search across sites, files, folders, lists, and list items using Microsoft Search. Manage permissions at site, list, and item levels with granular access control. Define and manage content types and site columns. Subscribe to webhooks for list and library change notifications. Retrieve site properties and search for sites across Microsoft 365.

Salesforce

Manage CRM data including Accounts, Contacts, Leads, Opportunities, Cases, and custom objects. Create, read, update, and delete records. Query data using SOQL and search across objects using SOSL. Perform bulk data operations for large-scale imports, exports, and migrations. Execute composite requests to batch multiple operations in a single API call. Access analytics, reports, and dashboards. Manage files and attachments associated with records. Interact with Chatter feeds, posts, and groups for social collaboration. Subscribe to real-time change events via Change Data Capture and Platform Events. Manage org metadata including custom objects, fields, layouts, and workflows. Query data using GraphQL for precise data retrieval across related objects.

Microsoft Outlook

Send, read, reply to, forward, and manage email messages in user mailboxes. Organize messages into folders, apply categories, flags, and importance levels. Manage file and item attachments. Create, update, delete, and respond to calendar events and meetings. Find available meeting times, manage attendees, handle recurrence, and work with shared or delegated calendars. Create, read, update, and delete contacts, organize them into contact folders, and manage contact photos. Manage tasks and task lists via Microsoft To Do, including due dates, reminders, recurrence, and checklist items. Subscribe to webhook notifications for changes to messages, calendar events, and contacts. Support for Focused Inbox, @-mentions, mail tips, send-on-behalf, and send-as capabilities.

Discord

Send, edit, and delete messages in channels. Manage servers (guilds), channels, roles, members, invites, webhooks, threads, scheduled events, auto moderation rules, audit logs, application commands, and custom guild emojis. Add or remove users, assign roles, kick or ban members, and receive supported message, guild, channel, member, and inbound webhook triggers.

Technical notes for Retell Ai

Build, deploy, and manage AI phone and chat agents. Create and configure voice agents with customizable voices, conversation flows, and knowledge bases. Initiate outbound phone calls, manage inbound calls, and run batch calling campaigns. Purchase and manage phone numbers with separate inbound/outbound agent assignments. Create web-based voice calls via WebRTC. Send SMS messages and manage chat sessions. Define and run batch simulation tests against agents. Monitor call concurrency, retrieve call transcripts, recordings, cost breakdowns, and post-call analysis including sentiment, summaries, and custom insights. Manage Retell LLM configurations, conversation flows, and reusable flow components. Clone and browse voices filtered by provider, gender, accent, and age. Receive real-time webhooks for call lifecycle, transcript updates, and transfer events.

Connect Retell Ai to production AI agents

See how Metorial gives Retell Ai access the governance, tracing, and security controls teams need.

Frequently asked questions

Common questions about connecting Retell Ai to AI agents with Metorial.

  1. Can Metorial connect Retell Ai to AI agents?
    Yes. Metorial connects AI agents to Retell Ai through a governed integration layer, so teams can use the provider while keeping access controlled and observable.
  2. Metorial is MCP compatible and lets teams expose approved provider tools to MCP-capable agents and clients through a controlled access layer.
  3. Metorial applies policies across users, groups, providers, agents, and individual tools, then records the context around every agent interaction.
  4. Yes. Metorial records provider activity so teams can inspect tool calls, troubleshoot integrations, and give security teams the visibility they need.