Connect
Optimize
Secure
Aircall MCP Server
for AI Agents
Production-ready Aircall MCP server with 70 extensible actions — plus built-in authentication, security, and optimized execution.
Aircall MCP Server
Built by 
StackOne
StackOne 
Coverage
70 Agent Actions
Create, read, update, and delete across Aircall — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your Aircall MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every Aircall tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Aircall call.
Tools Discovery →What is the Aircall MCP Server?
A Aircall MCP server lets AI agents read and write Aircall data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Aircall MCP server ships with 70 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All Aircall MCP Tools and Actions
Every action from Aircall's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
User V2s
- Create User V2
Create a new user using the Aircall V2 endpoint.
- Get User V2
Retrieve a single user using the Aircall V2 endpoint.
- Update User V2
Update an existing user using the Aircall V2 endpoint.
Teams
- Create Team
Create a new team in the company.
- List Teams
Retrieve a paginated list of teams in the company.
- Get Team
Retrieve a single team by ID.
- Delete Team
Delete a team from the company.
Calls
- List Calls
Retrieve a paginated list of calls in the company.
- Get Call
Retrieve a single call by ID.
- Search Calls
Search calls by phone number, user, tags, or other filters.
Numbers
- List Numbers
Retrieve a paginated list of numbers provisioned on the Aircall account.
- Get Number
Retrieve a single Aircall number by ID.
- Update Number
Update an Aircall number's settings.
Contacts
- Create Contact
Create a new contact in the address book.
- List Contacts
Retrieve a paginated list of contacts in the Aircall address book.
- Search Contacts
Search contacts by phone number or email.
- Get Contact
Retrieve a single contact by ID.
- Update Contact
Update an existing contact.
- Delete Contact
Delete a contact from the address book.
Contact Phone Numbers
- Update Contact Phone Number
Update a phone number entry on a contact.
- Delete Contact Phone Number
Delete a phone number entry from a contact.
Contact Emails
- Update Contact Email
Update an email entry on a contact.
- Delete Contact Email
Delete an email entry from a contact.
Tags
- Create Tag
Create a new tag in the company.
- List Tags
Retrieve a paginated list of tags in the company.
- Get Tag
Retrieve a single tag by ID.
- Update Tag
Update an existing tag.
- Delete Tag
Delete a tag from the company.
Webhooks
- Create Webhook
Register a new webhook.
- List Webhooks
Retrieve a paginated list of webhooks configured on the company.
- Get Webhook
Retrieve a single webhook by ID.
- Update Webhook
Update an existing webhook.
- Delete Webhook
Delete a webhook.
Dialer Campaigns
- Create Dialer Campaign
Create an active dialer campaign for a user.
- Get Dialer Campaign
Retrieve the active dialer campaign for a user.
- Delete Dialer Campaign
Delete the active dialer campaign for a user.
Dialer Campaign Phone Numbers
- Add Dialer Campaign Phone Numbers
Add phone numbers to a user's dialer campaign.
- List Dialer Campaign Phone Numbers
Retrieve phone numbers attached to a user's dialer campaign.
- Delete Dialer Campaign Phone Number
Remove a phone number from a user's dialer campaign.
Other (31)
- Add User To Team
Add a user to an existing team.
- Create Call Insight Card
Attach an Insight Card to a call.
- Add Phone Number To Contact
Add a new phone number to an existing contact.
- Add Email To Contact
Add a new email address to a contact.
- Get Company
Retrieve information about the Aircall company associated with the authenticated account.
- List Users V2
Retrieve a paginated list of users using the Aircall V2 users endpoint.
- List Numbers For User V2
Retrieve all numbers assigned to a specific user (V2).
- List Users Availabilities
Retrieve the availability status of all users.
- Get User Availability
Check the current availability of a single user.
- Get Call Transcription
Retrieve the transcription of a call.
- Get Call Realtime Transcription
Retrieve the realtime transcription of an ongoing call.
- Get Call Sentiments
Retrieve sentiment analysis for a call.
- Get Call Topics
Retrieve detected topics for a call.
- Get Call Summary
Retrieve the AI-generated summary for a call.
- Get Call Custom Summary Result
Retrieve a custom summary result for a call.
- Get Call Action Items
Retrieve AI-extracted action items for a call.
- Get Call Playbook Result
Retrieve playbook evaluation result for a call.
- Get Call Evaluations
Retrieve evaluations submitted for a call.
- Update Music And Messages
Update a number's music and messages URLs.
- Delete User
Delete an Aircall user.
- Remove User From Team
Remove a user from a team.
- Delete Call Recording
Delete the recording of a call.
- Delete Call Voicemail
Delete the voicemail recording of a call.
- Ping
Verify API connectivity and authentication with the Aircall Public API.
- Start Outbound Call
Initiate an outbound call from a user's Aircall Phone.
- Dial Phone Number
Pre-fill a phone number in a user's Aircall Phone dialer. The target user must be signed in to the Aircall Phone app.
- Comment Call
Add a comment to a call.
- Tag Call
Apply one or more tags to a call.
- Archive Call
Archive a call.
- Unarchive Call
Unarchive a previously archived call.
- Registration Status
Fetch compliance status for A2P 10DLC and toll-free messaging registration for a specific number.
Aircall AI Agent Use Cases
Connect your AI agent to Aircall and help your team scale the sales operations they run by hand today.
Post-Demo Follow-Up
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate post-demo follow-up.
View → Deal Risk Scoring
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate deal risk scoring and pipeline alerts.
View → Outbound Prospecting
Use StackOne to connect your AI agent to your CRM, sales engagement, and messaging tools to automate outbound prospecting.
View →Set Up Your Aircall MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to Aircall in under 10 lines of code.
MCP Clients
Agent Frameworks
JSON{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}Aircall MCP Server Resources
MCP Code Mode: Keeping Tool Responses Out of Agent Context
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Indirect Prompt Injection Defense for MCP Tools: A Technical Guide
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
Aircall MCP Server FAQ
Aircall MCP server vs direct API integration — what's the difference?
A Aircall MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Aircall. A Aircall MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Aircall at runtime. StackOne provides both.
How does Aircall authentication work for AI agents?
Aircall authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Aircall account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via
origin_owner_id.Are Aircall MCP tools vulnerable to prompt injection?
Yes — Aircall MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a Aircall agent and how do I avoid it?
Context bloat happens when Aircall tool schemas and API responses eat your Aircall agent's memory, preventing it from reasoning effectively. A single Aircall query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my Aircall agent can access?
Yes — you can limit which actions your Aircall agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my Aircall MCP server?
Yes — you can create custom agent actions for your Aircall MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Aircall's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Aircall MCP server?
Skip a Aircall MCP server if your integration is purely software-to-software — direct Aircall API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Aircall actions at runtime.
What AI frameworks and AI clients does the StackOne Aircall MCP server support?
The StackOne Aircall MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.