AI21 Studio MCP Server for Mastra AI 7 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect AI21 Studio through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"ai21-studio": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "AI21 Studio Agent",
instructions:
"You help users interact with AI21 Studio " +
"using 7 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with AI21 Studio?"
);
console.log(result.text);
}
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 AI21 Studio MCP Server
Connect AI21 Studio to your AI agent and unlock access to the powerful Jamba models alongside a suite of highly-specialized linguistic tools. Give your agent the ability to process texts with enterprise-grade precision via natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and AI21 Studio tool infrastructure. Connect 7 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Chat & Instruct — Generate chat completions natively utilizing AI21's advanced Jamba models
- Summarization — Produce accurate and concise summaries of long text payloads instantly
- Paraphrasing — Rewrite text passages into different specific styles (general, casual, formal, long, short)
- Grammar & Spelling — Catch and correct grammatical and spelling errors using AI21's dedicated correction engine
- Text Segmentation — Split continuous text into distinct sentences based on complex grammatical boundaries
- Embeddings — Convert pieces of text into high-dimensional numerical embeddings for RAG workflows
The AI21 Studio MCP Server exposes 7 tools through the Vinkius. Connect it to Mastra AI 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 AI21 Studio to Mastra AI via MCP
Follow these steps to integrate the AI21 Studio MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 7 tools from AI21 Studio via MCP
Why Use Mastra AI with the AI21 Studio MCP Server
Mastra AI provides unique advantages when paired with AI21 Studio through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add AI21 Studio without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every AI21 Studio tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
AI21 Studio + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the AI21 Studio MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query AI21 Studio, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed AI21 Studio as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query AI21 Studio on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using AI21 Studio tools alongside other MCP servers
AI21 Studio MCP Tools for Mastra AI (7)
These 7 tools become available when you connect AI21 Studio to Mastra AI via MCP:
chat_completion
g., jamba-1.5-large, jamba-1.5-mini) and the conversation messages as a JSON array. Generate chat completions using AI21 Jamba models
embed_texts
Pass a JSON array of texts and specify whether they are for "query" or "document". Generate text embeddings using AI21 Studio embeddings
grammar_corrections
Perform Grammatical Error Correction (GEC) on text
paraphrase
Available styles: general, casual, formal, long, short. Paraphrase text using AI21 Studio
segmentation
Segment texts into sentences using AI21 Studio process
summarize
Text length must depend on API limits. Summarize long texts using AI21 Studio process
text_completion
Generate text completions using AI21 Studio models
Example Prompts for AI21 Studio in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with AI21 Studio immediately.
"Paraphrase this paragraph into a highly formal tone."
"Run a grammatical error correction over my draft and output the fixed version."
"Segment this long block of text into individual sentences."
Troubleshooting AI21 Studio MCP Server with Mastra AI
Common issues when connecting AI21 Studio to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpAI21 Studio + Mastra AI FAQ
Common questions about integrating AI21 Studio MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect AI21 Studio with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect AI21 Studio to Mastra AI
Get your token, paste the configuration, and start using 7 tools in under 2 minutes. No API key management needed.