2,500+ MCP servers ready to use
Vinkius

Courier MCP Server for LlamaIndex 10 tools — connect in under 2 minutes

Built by Vinkius GDPR 10 Tools Framework

LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add Courier as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.

Vinkius supports streamable HTTP and SSE.

python
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 Courier. "
            "You have 10 tools available."
        ),
    )

    response = await agent.run(
        "What tools are available in Courier?"
    )
    print(response)

asyncio.run(main())
Courier
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Courier MCP Server

Integrate Courier, the smart notification infrastructure, directly into your AI workflow. Design, orchestrate, and send messages across email, SMS, push, and chat apps using natural language.

LlamaIndex agents combine Courier tool responses with indexed documents for comprehensive, grounded answers. Connect 10 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

  • Send Notifications — Trigger complex notification workflows to any recipient via the Send API.
  • Message Monitoring — List sent messages and track their real-time delivery status (sent, delivered, opened).
  • Template Management — Browse available notification templates and custom brands.
  • Audience & User Insights — Manage subscription lists and retrieve user profiles.

The Courier MCP Server exposes 10 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 Courier to LlamaIndex via MCP

Follow these steps to integrate the Courier MCP Server with LlamaIndex.

01

Install dependencies

Run pip install llama-index-tools-mcp llama-index-llms-openai

02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

03

Run the agent

Save to agent.py and run: python agent.py

04

Explore tools

The agent discovers 10 tools from Courier

Why Use LlamaIndex with the Courier MCP Server

LlamaIndex provides unique advantages when paired with Courier through the Model Context Protocol.

01

Data-first architecture: LlamaIndex agents combine Courier tool responses with indexed documents for comprehensive, grounded answers

02

Query pipeline framework lets you chain Courier tool calls with transformations, filters, and re-rankers in a typed pipeline

03

Multi-source reasoning: agents can query Courier, a vector store, and a SQL database in a single turn and synthesize results

04

Observability integrations show exactly what Courier tools were called, what data was returned, and how it influenced the final answer

Courier + LlamaIndex Use Cases

Practical scenarios where LlamaIndex combined with the Courier MCP Server delivers measurable value.

01

Hybrid search: combine Courier real-time data with embedded document indexes for answers that are both current and comprehensive

02

Data enrichment: query Courier to augment indexed data with live information before generating user-facing responses

03

Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying Courier for fresh data

04

Analytical workflows: chain Courier queries with LlamaIndex's data connectors to build multi-source analytical reports

Courier MCP Tools for LlamaIndex (10)

These 10 tools become available when you connect Courier to LlamaIndex via MCP:

01

get_message_details

Touches delivery logs, provider responses, and rendering metadata boundary. Get details for a specific message by ID

02

get_message_history

Resolves event types (SENT, DELIVERED, etc.) and detailed provider logs. Get the delivery history logs for a message

03

get_user_profile

Resolves contact details (email, phone) and channel-specific delivery preferences. Get the profile data for a specific user

04

list_audiences

Resolves audience IDs, names, and filter criteria used for segmentation. List saved audiences for targeted notifications

05

list_brands

Resolves brand names, colors, and logo settings used for white-labeling notifications. List custom brands configured in Courier

06

list_messages

Resolves message IDs, recipient identifiers, status (SENT, DELIVERED, OPENED, CLICKED), and timestamps. List sent messages and their current status

07

list_subscription_lists

Resolves list IDs, names, and subscriber counts. List subscription lists for managing recipients

08

list_templates

Resolves template names, IDs, and supported channels. List available notification templates

09

list_users

Resolves user IDs, roles, and account association details. List users registered in the Courier workspace

10

send_notification

Touches recipient profile, template engine, and multi-channel provider boundaries. Send a notification to a recipient

Example Prompts for Courier in LlamaIndex

Ready-to-use prompts you can give your LlamaIndex agent to start working with Courier immediately.

01

"Check the delivery status of the last message sent to 'user@example.com'."

02

"Send a 'Welcome' notification to the new user with ID 'user_123'."

03

"List all notification templates available in my account."

Troubleshooting Courier MCP Server with LlamaIndex

Common issues when connecting Courier to LlamaIndex through the Vinkius, and how to resolve them.

01

BasicMCPClient not found

Install: pip install llama-index-tools-mcp

Courier + LlamaIndex FAQ

Common questions about integrating Courier MCP Server with LlamaIndex.

01

How does LlamaIndex connect to MCP servers?

Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.
02

Can I combine MCP tools with vector stores?

Yes. LlamaIndex agents can query Courier tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.
03

Does LlamaIndex support async MCP calls?

Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.

Connect Courier to LlamaIndex

Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.