AgentMail MCP Server for LlamaIndex 11 tools — connect in under 2 minutes
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add AgentMail as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.
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import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
mcp_tool_spec = McpToolSpec(client=mcp_client)
tools = await mcp_tool_spec.to_tool_list_async()
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt=(
"You are an assistant with access to AgentMail. "
"You have 11 tools available."
),
)
response = await agent.run(
"What tools are available in AgentMail?"
)
print(response)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About AgentMail MCP Server
Connect AgentMail to your AI agent and unlock a programmable email client. Stop relying on complex integrations and grant your agent its own functional inbox to communicate with the world.
LlamaIndex agents combine AgentMail tool responses with indexed documents for comprehensive, grounded answers. Connect 11 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
What you can do
- Inboxes — Create, list, and delete custom email addresses on the fly for your agent
- Threads — Scan active conversations and read full historical threads natively
- Messages — Send new emails, reply contextually to specific threads, and forward messages
- Attachments — Extract and process files attached to incoming emails automatically
The AgentMail MCP Server exposes 11 tools through the Vinkius. Connect it to LlamaIndex in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect AgentMail to LlamaIndex via MCP
Follow these steps to integrate the AgentMail MCP Server with LlamaIndex.
Install dependencies
Run pip install llama-index-tools-mcp llama-index-llms-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.py and run: python agent.py
Explore tools
The agent discovers 11 tools from AgentMail
Why Use LlamaIndex with the AgentMail MCP Server
LlamaIndex provides unique advantages when paired with AgentMail through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine AgentMail tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain AgentMail tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query AgentMail, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what AgentMail tools were called, what data was returned, and how it influenced the final answer
AgentMail + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the AgentMail MCP Server delivers measurable value.
Hybrid search: combine AgentMail real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query AgentMail to augment indexed data with live information before generating user-facing responses
Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying AgentMail for fresh data
Analytical workflows: chain AgentMail queries with LlamaIndex's data connectors to build multi-source analytical reports
AgentMail MCP Tools for LlamaIndex (11)
These 11 tools become available when you connect AgentMail to LlamaIndex via MCP:
create_inbox
You can optionally link it to a custom domain. Create a new email inbox for an agent
delete_inbox
Warning: this deletes all emails in it. Delete a specific inbox by ID
forward_message
You can optionally add text to the forwarded message. Forward an existing email message
get_attachment
Attachments might be encoded in base64. Ensure you parse or read it correctly. Download or read a specific attachment from a message
get_inbox
Get details of a specific inbox by ID
get_thread
Requires a thread_id. Read all messages inside a specific conversation thread
list_inboxes
An inbox is required to send or receive emails. Returns an array of inboxes with their IDs, email addresses, and names. List all inboxes assigned to the AgentMail API Key
list_threads
Returns a list of thread objects including subject lines and recent message previews. The agent needs an inbox_id first. List conversation threads inside an inbox
reply_to_message
The thread will be preserved. Reply to an existing email message/thread
send_message
Requires the sender inbox_id, which you can get from list_inboxes. Send a brand new email message
update_message
Update an existing message metadata (like marking it as read)
Example Prompts for AgentMail in LlamaIndex
Ready-to-use prompts you can give your LlamaIndex agent to start working with AgentMail immediately.
"Create a new inbox for our support team."
"Check all my unread threads in the main inbox today."
"Reply to the client thanking them and attach the pricing PDF."
Troubleshooting AgentMail MCP Server with LlamaIndex
Common issues when connecting AgentMail to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpAgentMail + LlamaIndex FAQ
Common questions about integrating AgentMail MCP Server with LlamaIndex.
How does LlamaIndex connect to MCP servers?
Can I combine MCP tools with vector stores?
Does LlamaIndex support async MCP calls?
Connect AgentMail with your favorite client
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Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect AgentMail to LlamaIndex
Get your token, paste the configuration, and start using 11 tools in under 2 minutes. No API key management needed.
