Studio by Ai 21 Labs MCP server

Connect Studio by Ai 21 Labs to Claude, ChatGPT, Cursor, Claude Code, Codex, Gemini, GitHub Copilot and any other MCP client, for your whole team. Metorial adds security, governance, and tracing, and gives everyone one Magic MCP URL to connect.

What you can do with the Studio by Ai 21 Labs MCP server

Ask your agent in plain language. Each of these maps to a real tool on the server.

  • Use the paraphrase text tool in Studio by Ai 21 Labs
  • Use the text completion tool in Studio by Ai 21 Labs
  • Use the segment text tool in Studio by Ai 21 Labs
  • Use the get library file tool in Studio by Ai 21 Labs
  • Use the maestro run tool in Studio by Ai 21 Labs
  • Use the text improvements tool in Studio by Ai 21 Labs

Supported Tools

paraphrase

Paraphrase Text

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized paraphrasing API.

text_completion

Text Completion

DEPRECATED — use `chat_completion` instead. AI21 retired the Jurassic-2 text completion API.

segment_text

Segment Text

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized text segmentation API.

get_file

Get Library File

Retrieve metadata for a specific file in your AI21 document library by its ID.

maestro_run

Maestro Run

Create a Maestro AI agent run with model selection, compute budget, validation requirements, and optional file or web search. Runs may be asynchronous; use the returned runId with get_maestro_run until the run completes.

text_improvements

Text Improvements

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized text improvements API.

summarize

Summarize Text

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized summarization API.

contextual_answer

Contextual Answer

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized contextual answers API.

grammar_check

Grammar Check

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized grammar correction API.

list_files

List Library Files

List files in your AI21 document library. Optionally filter by labels. Returns file metadata including name, type, size, status, and labels.

delete_file

Delete Library File

Permanently delete a file from your AI21 document library.

update_file

Update Library File

Update metadata of a file in your AI21 document library. You can modify labels and the public URL.

conversational_rag

Conversational RAG

Ask questions over your uploaded documents using conversational RAG. Supports multi-turn conversations, document filtering by labels or file IDs, and configurable retrieval strategies. The system determines whether to answer from model knowledge or retrieved documents.

chat_completion

Chat Completion

Generate a chat completion using AI21's Jamba models. Supports multi-turn conversations with system, user, assistant, and tool messages. Optionally enable JSON mode, pass documents for context, or define tools for function calling.

summarize_by_segment

Summarize by Segment

DEPRECATED — use `chat_completion` instead. AI21 retired the specialized segment summarization API.

upload_file

Upload Library File

Upload a TXT, Markdown, HTML, PDF, or DOCX document to the AI21 file library for retrieval. Supply UTF-8 text or base64-encoded file bytes. Processing is asynchronous; use get_file to check status before querying it.

download_file

Download Library File

Prepare a library file for download and return its metadata. Use list_files or upload_file to obtain the file ID.

get_maestro_run

Get Maestro Run

Retrieve a Maestro run by its runId to check asynchronous status, generated output, validation results, and failure details.

Connect Studio by Ai 21 Labs to your AI client

Every client uses the same Magic MCP URL, and so does any other MCP client. Add it once and sign in with SSO.

  1. Enable Studio by Ai 21 Labs in Metorial. In your Metorial portal, enable the Studio by Ai 21 Labs MCP server and sign in with the account that owns the data. Access stays governed by your team policies.
  2. Add a custom connector. Open Customize, then Connectors. Select Add, then Custom, then Web.
  3. Paste your Metorial MCP URL. Name it Metorial, paste your Magic MCP URL (<your-magic-mcp-url>) and continue.
  4. Sign in. Select Add and sign in to load Studio by Ai 21 Labs tools.

Run Studio by Ai 21 Labs through the Metorial gateway

One governed layer for every app your agents reach, not a separate connector per tool.

  • Give Studio by Ai 21 Labs and every other app to your whole team through one MCP gateway, behind your SSO.
  • Scope which teams and agents can use Studio by Ai 21 Labs tools with role-based access control, and trace every call.
  • Prefer to run it yourself? Metorial is open source and self-hostable.

More integrations teams use with Studio by Ai 21 Labs

Notion

Create, read, update, and archive pages and databases in a Notion workspace. Manage blocks (paragraphs, lists, headings, embeds, etc.) within pages. Query databases with filters and sorts across rich property types including text, numbers, dates, selects, relations, and formulas. Search across pages and databases by title. Add and read comments on pages and blocks. Upload files to pages. Manage workspace users and retrieve user profiles.

Google Sheets

Create, read, and update spreadsheets and their cell data. Read and write values to individual cells, ranges, or multiple ranges using A1 notation or named ranges. Apply cell formatting including text styles, backgrounds, borders, number formats, and conditional formatting. Manage sheets (tabs) within a spreadsheet—add, delete, copy, rename, and reorder them. Create and manage embedded charts, pivot tables, filter views, data validation rules, protected ranges, named ranges, and merged cells. Perform batch operations to apply multiple updates atomically.

GitHub

Manage repositories, issues, and pull requests. Create and configure branches, star repositories, review code, and merge changes. Automate CI/CD workflows with GitHub Actions, manage workflow runs, secrets, and artifacts. Track issues with labels, milestones, and assignees. Search across code, repositories, issues, and users. Manage organizations, teams, and memberships. Create and manage projects, gists, packages, deployments, and environments. Access security alerts including code scanning, secret scanning, and Dependabot alerts. Read and write file contents in repositories. Manage webhooks, notifications, and codespaces.

Salesforce

Manage CRM data including Accounts, Contacts, Leads, Opportunities, Cases, and custom objects. Create, read, update, and delete records. Query data using SOQL and search across objects using SOSL. Perform bulk data operations for large-scale imports, exports, and migrations. Execute composite requests to batch multiple operations in a single API call. Access analytics, reports, and dashboards. Manage files and attachments associated with records. Interact with Chatter feeds, posts, and groups for social collaboration. Manage org metadata including custom objects, fields, layouts, and workflows. Query data using GraphQL for precise data retrieval across related objects.

Sharepoint

Manage SharePoint sites, document libraries, lists, and files. Create, read, update, and delete lists and list items with custom columns. Resolve site users to numeric Person/Group LookupId values. Upload, download, move, copy, and version files in document libraries. Search across sites, files, folders, lists, and list items using Microsoft Search. Manage permissions at site, list, and item levels with granular access control. Define and manage content types and site columns. Retrieve site properties and search for sites across Microsoft 365.

Airtable

Create, read, update, and delete records in Airtable bases and tables. Manage base schemas including creating tables and fields. Filter records using formulas, sort by fields, and scope queries to specific views. Upsert records to find, create, or update in a single call. Upload attachments to records, read and write record comments, list accessible bases, and receive real-time base change events through webhooks.

Technical notes for Studio by Ai 21 Labs

Generate Jamba chat responses, create and monitor Maestro runs, query documents with conversational retrieval, and upload, list, update, download, or delete library files. Retired Jurassic-2 and specialized text APIs remain available as deprecated compatibility tools with migration guidance.

Frequently asked questions

Common questions about connecting Studio by Ai 21 Labs to AI agents with Metorial.

  1. How many tools does the Studio by Ai 21 Labs MCP server have?
    The Studio by Ai 21 Labs MCP server exposes 18 tools, including Paraphrase Text, Text Completion, Segment Text. Each one is governed and traced through Metorial.
  2. Studio by Ai 21 Labs exposes tools your agents call on demand; it does not publish event triggers yet. Everything still runs through one governed MCP URL.
  3. Any MCP client, including VS Code, Windsurf, Zed, OpenCode and Grok. Each one reaches the Studio by Ai 21 Labs MCP server through the same Metorial URL.
  4. Use role-based access control to decide which teams, users, and agents can use Studio by Ai 21 Labs and which of its tools they can call.
  5. Yes. Metorial is open source, so you can run the Studio by Ai 21 Labs MCP server yourself or use the hosted gateway.

Connect Studio by Ai 21 Labs to production AI agents

See how Metorial gives your team governed access to Studio by Ai 21 Labs, with tracing and security controls built in.