Bring Shared Inbox
to LangChain
Create your Vinkius account to connect Missive to LangChain and start using all 10 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.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Missive MCP Server?
Connect Missive to your AI agent and manage your team's communication efficiently. Access conversations, messages, and contacts through natural conversation to stay organized and responsive.
What you can do
- Conversation Management — List and view conversations from any mailbox (inbox, assigned, closed).
- Collaboration — Post internal comments or trigger actions like closing and assigning conversations.
- Message Access — Read all messages and comments within a specific conversation thread.
- Contact Organization — Search for and create contacts in your shared or private contact books.
- Draft & Send — Create email drafts and deliver them directly from your AI agent.
How it works
- Subscribe to this server
- Enter your Missive Access Token
- Start collaborating with Claude, Cursor, or any MCP client
Built-in capabilities (10)
Create a new contact
Create an email draft
Can also trigger actions like closing, assigning, or labeling. Create a post (comment or action) in a conversation
Get details for a specific conversation
Get current Missive user details
List Missive contacts
A mailbox filter is required (e.g., "inbox", "all", "assigned", "closed"). List conversations from a specific mailbox
List Missive labels
List messages in a conversation
Send a prepared draft
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Missive through native MCP adapters. Connect 10 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine Missive MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Missive queries for multi-turn workflows
Missive in LangChain
Why run Missive with Vinkius?
The Missive 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 10 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 Missive using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Missive and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Missive to LangChain 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
Missive for LangChain
Every request between LangChain and Missive 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 Missive Access Token?
Go to Missive Settings > API and generate a new Bearer token.
Do I need a specific Missive plan to use the API?
Yes, API access typically requires a Productive or Business plan.
Can I perform actions like closing a conversation?
Yes, use the 'create_post' tool and set the 'close' parameter to true.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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