Retell AI MCP for AI. Manage every voice agent interaction from your chat.
Works with every AI agent you already use
…and any MCP-compatible client








How this MCP server connects to your AI agent
Retell AI MCP lets you build human-like voice agents that take over phone calls or web conversations. Your agent can answer questions, complete tasks, and manage complex workflows using natural spoken language.
You gain full control of call lifecycle management—from initiating calls to reviewing detailed transcripts and monitoring performance metrics—all through your preferred AI client.
What AI agents can do with Retell AI Automation
Get phone number
Retrieves specific details for a given phone number.
Create voice agent
Builds and deploys a new AI voice agent with defined capabilities.
Start phone call
Initiates an outbound call to a specific phone number.
List all active agents and create new ones programmatically, giving them specific roles or knowledge bases.
Start both outbound phone calls and web-based browser calls directly from your chat interface.
Review detailed call logs, including transcripts and metadata, for past interactions.
Check the current configuration of the underlying LLMs that power your agents to ensure they use the right knowledge base or logic.
View a clear list of all available phone numbers used by your organization for calling.
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What AI agents can do with Retell AI MCP: 11 Tools Available
Use these tools to create, manage, track, and analyze every aspect of your automated conversational voice interactions.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Retell AI on VinkiusGet Phone Number
Retrieves specific details for a given phone number.
Create Voice Agent
Builds and deploys a new AI voice agent with defined capabilities.
Start Phone Call
Initiates an outbound call to a specific phone number.
Start Web Call
Starts a real-time, browser-based conversation session for the agent.
Get Agent Config
Fetches specific configuration details for an existing voice agent.
Get Call Details
Retrieves a full transcript and metadata report for any completed call.
Get Llm Details
Gets the current settings and knowledge base details for an agent's response engine.
List Voice Agents
Lists all active AI voice agents currently managed by your account.
List Recent Calls
Provides a summary and list of call logs from the most recent interactions.
List Retell Llms
Lists all internal response engines available for agent use.
List Retell Numbers
Shows a comprehensive list of all registered phone numbers in your system.
Security and governance baked right in.
Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.
Choose How to Get Started
Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.
Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
- Import from OpenAPI, Swagger, or YAML specs
- Create Agent Skills with progressive disclosure
- Deploy to edge with MCPFusion framework
- Built in DLP, auth, and compliance on every call
- Real time usage dashboard and cost metering
- Publish to catalog or keep private
Make Your AI Do More
Start with Retell AI, then connect any of our 5,100+ other servers whenever your AI needs more. One click, no limits.
- Use this MCP plus 5,100+ others, all in one place
- Add new capabilities to your AI anytime you want
- Every connection is secured and compliant automatically
- Track usage and costs across all your servers
- Works with Claude, ChatGPT, Cursor, and more
- New servers added to the catalog every week
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Retell AI. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
VINKIUS INFRASTRUCTURE
Cloud Hosted
Managed infra
V8 Isolated
Sandboxed per request
Zero-Trust Proxy
No stored credentials
DLP Enforced
Policy on every call
GDPR Compliant
EU data residency
Token Compression
~60% cost reduction
Built on the Model Context Protocol (MCP) for Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 11 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
Handling Calls Used To Be a Multi-App Headache, Solved with Vinkius AI Gateway
Today, running voice operations means jumping between at least three places: the CRM to check contact info, the call center platform for the actual interaction, and then finally an analytics dashboard just to pull the transcript. You spend minutes copy-pasting notes from one tab to another, trying to stitch together who called, what they talked about, and if any action was needed.
With this MCP, that process collapses into a single conversation thread with your agent. Start a call using 'start_phone_call', watch the transcript appear live, and when finished, all the metadata is immediately available for review. You don't just get the data; you get it right where you need it.
Get Full Control Over Your Voice Agent Operations with Retell AI MCP
Gone are the days of waiting for manual reports. You can now programmatically list all your agents using 'list_voice_agents' and immediately check their performance by reviewing call logs via 'list_recent_calls'. You manage the entire lifecycle, from setup to post-call analysis.
It’s not just about making calls; it's about managing a reliable, observable system. Your agent becomes an integrated voice operations manager that reports its status and history directly into your workflow.
What your AI can actually do with this
Need an automated voice layer for your business? This MCP connects the power of Retell AI directly to any agent, letting you build sophisticated agents that handle phone or web interactions using natural speech. Instead of manually setting up complex call flows or sifting through separate CRM logs, you simply instruct your AI client what you need done.
You can programmatically create new personas and list existing ones, making sure every voice agent is set up correctly. When a call happens, whether it's an outbound sales pitch or a customer support chat, the MCP initiates and tracks the entire lifecycle. After the conversation ends, you instantly access detailed transcripts and all relevant metadata right where you're working.
If your company operates on phone calls, this Vinkius catalog tool gives you total visibility into your voice operations without ever leaving your chat window.
019dd14f-1d66-71c4-b48f-a7393b8e51ce Here's how it actually works
The bottom line is you get centralized control over every aspect of your conversational voice operations.
Subscribe to this MCP and enter the Retell AI API key from your dashboard settings.
Use natural language prompts within your AI client to list or create voice agents, or initiate a new call.
The agent executes the action, providing real-time status updates, transcripts, or structured data about the outcome.
Who is this actually for?
This MCP targets Operations Managers and Product Leads who are tired of manually tracking calls across multiple dashboards. If you manage a team that relies on phone support or sales outreach, this connector brings all the data—the transcripts, the logs, the agent configurations—into one place.
Uses the MCP to automate managing voice personas and track historical call records so agents never miss key details.
Retrieves detailed metrics on agent performance and analyzes transcripts without having to switch between the support platform and the analytics dashboard.
Manages the underlying LLM configurations and monitors system responses, ensuring that agents maintain correct business logic during high-volume periods.
What Changes When You Connect
You instantly get call transcripts and logs without leaving the chat interface. Reviewing past interactions is fast, using tools like 'list_recent_calls' instead of jumping between separate dashboards.
Stop manually configuring agents. Use 'create_voice_agent' to build new personas with specific roles; you can then use 'get_agent_config' to tweak parameters instantly when needed.
Gain total visibility into your calling infrastructure by using 'list_retell_numbers', ensuring your team knows exactly which numbers are available for outreach campaigns.
Monitor the intelligence layer. Use 'get_llm_details' and 'list_retell_llms' to confirm that every agent is operating with the correct, up-to-date knowledge base.
Run live operations without friction. Initiate both phone calls ('start_phone_call') and web calls ('start_web_call') directly through your AI client for immediate testing or execution.
See it in action
Quality Assurance Review
A QA analyst wants to check how the 'Support Assistant' handled a complex billing query last week. Instead of searching through call center software, they just prompt their agent with 'list_recent_calls' and then use 'get_call_details' on the transcript to analyze exactly what was said.
Scaling Sales Outreach
A sales director needs to launch a new qualification campaign. They first check available lines using 'list_retell_numbers', then use 'create_voice_agent' for the new persona, and finally prompt the agent to 'start_phone_call' to begin outreach.
Debugging Agent Behavior
A developer notices an agent is giving outdated answers. They check the current logic using 'get_llm_details', identify the issue, and then use a natural language command to adjust the agent's behavior immediately.
Onboarding New Teams
A new team needs an automated web chat assistant. The PM uses the MCP to 'start_web_call', tests the setup, and then documents the successful flow in their internal wiki, knowing they can easily repeat the process.
The honest tradeoffs
Confusing call logs with agent settings
Manually going into the Retell AI dashboard to find out if a specific number is active and then checking separate log files for transcripts.
Use 'list_retell_numbers' to verify availability, then use 'get_call_details' to pull the transcript. This keeps all operational data in one conversation flow.
Assuming agents know what they need to talk about
Starting a call without defining the agent’s purpose or knowledge base, resulting in vague or incorrect answers.
Before calling, use 'get_agent_config' and ensure you have updated the underlying logic via 'get_llm_details'. This guarantees context.
Ignoring multi-platform communication
Using a different tool for phone calls versus web chats, leading to inconsistent reporting and data silos.
Use both 'start_phone_call' and 'start_web_call' through the same MCP. This standardizes logging and makes cross-channel comparison easy.
When It Fits, When It Doesn't
You should use this MCP if your core business process involves automated, high-volume conversations—whether over the phone or in a web chat window—and you need to monitor those interactions programmatically. If your goal is simply text summarization of pre-recorded audio files, another specialized data processing tool might be better. However, if you need real-time orchestration, agent creation ('create_voice_agent'), call initiation ('start_phone_call' or 'start_web_call'), and deep access to the live operational state (like checking 'get_llm_details'), this MCP is the right choice. Don't use it if you only need simple data retrieval; use a basic catalog lookup tool instead.
Questions you might have
How do I start using the Retell AI MCP with phone calls? +
You initiate a call by prompting the agent to 'start_phone_call'. The system handles the connection, and you receive real-time updates on the status and transcript right in your chat interface.
Can I list all my voice agents using Retell AI MCP? +
Yes, simply ask to 'list_voice_agents'. This command retrieves a full roster of every active persona you've set up for your operations team.
What information does the get_call_details tool provide? +
The 'get_call_details' tool provides everything: a complete transcript, call duration, and all relevant metadata about that specific interaction.
Does Retell AI MCP help me manage phone numbers? +
Yes. You can use 'list_retell_numbers' to get an inventory of every registered number, giving you a clear overview of your entire telephony setup.
How do I ensure my agent has the correct knowledge base? +
You should check and update this using 'get_llm_details' or 'list_retell_llms'. This confirms that the underlying response engine is running with the most accurate information.
We've already built the connector for Retell AI. Just plug in your AI agents and start using Vinkius.
No hosting. No infrastructure. No complex setup.
All 11 tools are live and waiting.
You're up and running in seconds.
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