Bring Campaign Management
to LlamaIndex
Create your Vinkius account to connect Mail Blaze to LlamaIndex and start using all 9 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the Mail Blaze MCP Server?
Connect your Mail Blaze account to any AI agent to automate your email marketing and audience management. This MCP server enables your agent to manage subscriber lists, create and send campaigns, and track subscriber updates directly from natural language interfaces.
What you can do
- Campaign Management — List all email campaigns and retrieve detailed metadata and status information
- Instant Sending — Trigger the delivery of existing campaigns to your targeted lists instantly
- List Oversight — Manage subscriber lists and retrieve their unique identifiers for grouping
- Subscriber Control — Add, update, and remove subscribers from specific lists while managing custom fields
- Draft Creation — Initialize new campaign drafts directly from your conversation to streamline your marketing workflow
How it works
- Subscribe to this server
- Enter your Mail Blaze API Public Key (X-MW-PUBLIC-KEY)
- Start managing your email marketing from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Email Marketers — Monitor campaign statuses and manage subscriber segments via simple natural language commands
- Marketing Operations — Quickly update contact information and trigger campaign sends without opening the dashboard
- Developers — Integrate email automation logic and subscriber management into your custom internal tools
Built-in capabilities (9)
Requires a list UID and subscriber data. Add a new subscriber to a list
Requires a JSON body with campaign details. Create a new email marketing campaign
Remove a subscriber from a list
Get details for a specific campaign
List all email marketing campaigns
List subscribers in a specific list
List all subscriber lists
Trigger the sending of a campaign
Update an existing subscriber
Why LlamaIndex?
LlamaIndex agents combine Mail Blaze tool responses with indexed documents for comprehensive, grounded answers. Connect 9 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.
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Data-first architecture: LlamaIndex agents combine Mail Blaze tool responses with indexed documents for comprehensive, grounded answers
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Query pipeline framework lets you chain Mail Blaze tool calls with transformations, filters, and re-rankers in a typed pipeline
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Multi-source reasoning: agents can query Mail Blaze, a vector store, and a SQL database in a single turn and synthesize results
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Observability integrations show exactly what Mail Blaze tools were called, what data was returned, and how it influenced the final answer
Mail Blaze in LlamaIndex
Why run Mail Blaze with Vinkius?
The Mail Blaze connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 9 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Mail Blaze using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Mail Blaze and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Mail Blaze to LlamaIndex through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Mail Blaze for LlamaIndex
Every request between LlamaIndex and Mail Blaze is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I find my List UID or Campaign UID?
You can retrieve all UIDs by using the list_subscriber_lists or list_email_campaigns tools. They are also visible in the URL when viewing these resources in the Mail Blaze dashboard.
Can I add custom fields when subscribing a user?
Yes, include your custom field values within the subscriber_json object when using the add_subscriber_to_list tool.
Is there a limit to the number of subscribers I can retrieve?
The API uses pagination. The list_list_subscribers tool retrieves the first page of results (up to 100 records by default).
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.
Can I combine MCP tools with vector stores?
Yes. LlamaIndex agents can query Mail Blaze tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.
Does LlamaIndex support async MCP calls?
Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.
BasicMCPClient not found
Install: pip install llama-index-tools-mcp
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