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Live 73 Actions
ZoomInfo MCP Server
for AI Agents
Connect your AI agent to StackOne's ZoomInfo MCP server and give it 73 MCP tools out of the box. Auth, tool execution, and security all managed.
ZoomInfo MCP Server
Built by 
StackOne
StackOne 
Coverage
73 Agent Actions
Create, read, update, and delete across ZoomInfo — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your ZoomInfo MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every ZoomInfo tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every ZoomInfo call.
Tools Discovery →What is the ZoomInfo MCP Server?
A ZoomInfo MCP server lets AI agents read and write ZoomInfo data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's ZoomInfo MCP server ships with 73 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All ZoomInfo MCP Tools
Every action from ZoomInfo's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Agent Team Runs
- Get Agent Team Run
Retrieve the status and details of a single Agent Team run
- List Agent Team Runs
Retrieve a paginated list of runs for a ZoomInfo Agent Team
Audiences
- Create Audience
Create a new Studio audience in ZoomInfo with optional column definitions
- Get Audience
Retrieve a single Studio audience in ZoomInfo by its unique identifier
- List Audiences
Retrieve a paginated list of Studio audiences in ZoomInfo
- Delete Audience
Delete a Studio audience in ZoomInfo by its unique identifier
Marketing Audiences
- Create Marketing Audience
Create a new Marketing audience in ZoomInfo targeting B2B or B2C contacts
- Upload Marketing Audience
Upload data into a Marketing audience in ZoomInfo
- List Marketing Audiences
Retrieve a paginated list of Marketing audiences in ZoomInfo
- Update Marketing Audience
Update an existing Marketing audience in ZoomInfo by its unique identifier
- Delete Marketing Audience
Delete a Marketing audience in ZoomInfo by its unique identifier
Columns
- Add Columns
Bulk-create one or more columns in a GTM Studio audience
- Delete Column
Permanently delete a column from a GTM Studio audience
Customer Buyer Personas
- List Customer Buyer Personas
Retrieve all customer buyer persona records configured in the ZoomInfo GTM workspace
- Get Customer Buyer Persona
Retrieve a single customer buyer persona record by its UUID
- Delete Customer Buyer Persona
Permanently delete a customer buyer persona record by its UUID
Customer Competitors
- List Customer Competitors
Retrieve all customer competitor records configured in the ZoomInfo GTM workspace
- Get Customer Competitor
Retrieve a single customer competitor record by its UUID
- Delete Customer Competitor
Permanently delete a customer competitor record by its UUID
Ideal Customer Profiles
- List Ideal Customer Profiles
Retrieve a list of Ideal Customer Profile segments configured in ZoomInfo Copilot
- Get Ideal Customer Profile
Retrieve a single Ideal Customer Profile segment by its segment ID
- Delete Ideal Customer Profile
Permanently delete an Ideal Customer Profile segment by its segment ID
Folders
- Create Folder
Create a new folder to organize audiences in GTM Studio
- Get Folder
Retrieve a single folder from GTM Studio by folderId
- List Folders
Retrieve a paginated list of folders configured in GTM Studio
- Update Folder
Partially update an existing folder in GTM Studio by folderId
- Delete Folder
Permanently delete a folder from GTM Studio by folderId
Rows
- List Rows
Search and retrieve rows from a GTM Studio audience with optional filters and pagination
- Delete Rows
Delete one or more rows from a GTM Studio audience by rowId
Other (44)
- Get Account Summary
Retrieve the Copilot AI-generated account summary for a company
- List Agent Teams
Retrieve a paginated list of ZoomInfo Agent Teams
- Get Agent Team Details
Retrieve the configuration and details of a single Agent Team by ID
- Get Audience Filter Metadata
Retrieve filter metadata for a Studio audience in ZoomInfo
- Search Companies
Search for companies in the ZoomInfo database using a wide range of firmographic, technographic, and engagement filters
- Search Contacts
Search for contacts in the ZoomInfo database using personal, professional, and company-level filters
- Get Contact Lookalikes
Find contacts similar to a reference contact using ZoomInfo Copilot lookalike recommendations
- Search Intent
Search for intent signals across companies showing interest in specific topics in the ZoomInfo Intent database
- Search News
Search ZoomInfo news articles by category, URL, or publish date range
- List Products Or Services
Retrieve a list of products or services configured in ZoomInfo Copilot
- Get Row By ID
Retrieve a single row from a GTM Studio audience by its rowId
- Search Scoops
Search ZoomInfo Scoops by publish date, type, topic, department, company firmographics, or contact filters
- Delete Product Or Service
Permanently delete a product or service offering by its offering ID
- Ask Account Summary Question
Ask a natural-language question about a company's Copilot account summary
- Run Agent Team
Trigger an asynchronous execution of a ZoomInfo Agent Team
- Enrich Audience
Trigger an enrichment operation on a Studio audience in ZoomInfo
- Patch Audience
Partially update a Studio audience in ZoomInfo by its unique identifier
- Upsert Audience Match Criteria
Upsert column match criteria for a Studio audience in ZoomInfo
- Patch Column
Update properties of an existing column in a GTM Studio audience
- Enrich Companies
Enrich one or more companies using ZoomInfo's firmographic, technographic, and hierarchy data
- Find Similar Companies
Find companies similar to a reference company using ZoomInfo Copilot lookalike recommendations
- Enrich Corporate Hierarchy
Enrich one or more ZoomInfo companies with corporate hierarchy data
- Enrich Contacts
Enrich one or more contacts using ZoomInfo's person and employment data
- Upsert Customer Buyer Persona
Create or update a customer buyer persona record in the ZoomInfo GTM workspace
- Archive Customer Buyer Persona
Archive a customer buyer persona record by its UUID
- Unarchive Customer Buyer Persona
Restore a previously archived customer buyer persona record by its UUID
- Upsert Customer Competitor
Create or update a customer competitor record in the ZoomInfo GTM workspace
- Archive Customer Competitor
Archive a customer competitor record by its UUID
- Unarchive Customer Competitor
Restore a previously archived customer competitor record by its UUID
- Upsert Ideal Customer Profile
Create a new Ideal Customer Profile segment or update an existing one
- Archive Ideal Customer Profile
Archive an Ideal Customer Profile segment by its segment ID
- Unarchive Ideal Customer Profile
Restore a previously archived Ideal Customer Profile segment by its segment ID
- Enrich Hashtags
Enrich one or more ZoomInfo companies with hashtag data
- Enrich Intent
Enrich a specific company with ZoomInfo intent signals for selected topics
- Lookup Search Fields
Retrieve the list of fields available for a given entity when building Search requests
- Lookup Enrich Fields
Retrieve the list of fields available for a given entity when building Enrich requests
- Enrich News
Enrich a company with related ZoomInfo news articles by category, URL, or publish date range
- Enrich Org Charts
Enrich one or more ZoomInfo companies with org chart data
- Archive Product Or Service
Archive a product or service offering by its offering ID
- Unarchive Product Or Service
Restore a previously archived product or service offering by its offering ID
- Upsert Product Or Service
Create or update a product or service offering in the ZoomInfo GTM workspace
- Bulk Upsert Rows
Create or update rows in a GTM Studio audience in a single bulk operation
- Enrich Scoops
Enrich a specific company with ZoomInfo Scoops filtered by type, topic, department, or publish date range
- Enrich Technologies
Enrich one or more ZoomInfo companies with technology stack data
ZoomInfo AI Agent Use Cases
Connect your AI agent to ZoomInfo and help your team scale the sales operations they run by hand today.
Post-Demo Follow-Up
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate post-demo follow-up.
View Deal Risk Scoring
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate deal risk scoring and pipeline alerts.
View Outbound Prospecting
Use StackOne to connect your AI agent to your CRM, sales engagement, and messaging tools to automate outbound prospecting.
ViewSet Up Your ZoomInfo MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to ZoomInfo in under 10 lines of code.
Agent Frameworks
JSON{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}
Platform Resources
MCP Code Mode: Keeping Tool Responses Out of Agent Context
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Indirect Prompt Injection Defense for MCP Tools: A Technical Guide
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
MCP vs A2A: Architecture, Security, and When to Use Each
MCP vs A2A: what each protocol standardizes, how they differ, their shared security risks including indirect prompt injection, and when to use one, both, or a hybrid architecture.
12 min
MCP vs API: What 200+ Connector Builds Taught Us
MCP wraps APIs, it doesn't replace them. After building 200+ connectors that serve both, here's when each approach wins.
14 min read
ZoomInfo MCP Server FAQ
Does StackOne have a ZoomInfo MCP server?
Yes. StackOne offers a hosted ZoomInfo MCP server with 73 pre-built actions, and every action is tested and QA'd by StackOne. Connect it to Claude, Cursor, and any other MCP client, or to any agent framework through the AI Action SDK. It ships with managed agent authentication, prompt injection defense, and tool discovery with server-side execution that preserve your agent's context window and keep reasoning performance.
ZoomInfo MCP server vs direct API integration — what's the difference?
A ZoomInfo MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling ZoomInfo. A ZoomInfo MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling ZoomInfo at runtime. StackOne provides both.
How does ZoomInfo authentication work for AI agents?
ZoomInfo authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own ZoomInfo account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via
origin_owner_id.Are ZoomInfo MCP tools vulnerable to prompt injection?
Yes — ZoomInfo MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a ZoomInfo agent and how do I avoid it?
Context bloat happens when ZoomInfo tool schemas and API responses eat your ZoomInfo agent's memory, preventing it from reasoning effectively. A single ZoomInfo query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my ZoomInfo agent can access?
Yes — you can limit which actions your ZoomInfo agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my ZoomInfo MCP server?
Yes — you can create custom agent actions for your ZoomInfo MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research ZoomInfo's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a ZoomInfo MCP server?
Skip a ZoomInfo MCP server if your integration is purely software-to-software — direct ZoomInfo API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call ZoomInfo actions at runtime.
What AI frameworks and AI clients does the StackOne ZoomInfo MCP server support?
The StackOne ZoomInfo MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.