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ZoomInfo

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Official ZoomInfo MCP server. Search and enrich companies, contacts, and buyer intent signals.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http zoominfo 'https://mcp.zoominfo.com/mcp' --header 'Authorization: <OAuth 2.0 Bearer access token (format: Bearer <token>). See /.well-known/oauth-protected-resource and /.well-known/oauth-authorization-server for the discovery/authorization endpoints.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "zoominfo": {
            "type": "http",
            "url": "https://mcp.zoominfo.com/mcp",
            "headers": {
                "Authorization": "<OAuth 2.0 Bearer access token (format: Bearer <token>). See /.well-known/oauth-protected-resource and /.well-known/oauth-authorization-server for the discovery/authorization endpoints.>"
            }
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. ZoomInfo MCP Plugin
  2. What It Enables
  3. Try Asking
  4. Prerequisites
  5. MCP Server
  6. Client Support
  7. Skills
  8. Project Structure
  9. License

ZoomInfo MCP Plugin

Use ZoomInfo go-to-market intelligence from LLM clients that support MCP servers, plugin manifests, and/or skills.

This repo packages ZoomInfo's hosted MCP server with client-specific plugin metadata and task-focused skills for sales, marketing, and revenue workflows. It is intended to work across supported LLM clients rather than being tied to a single provider.

What It Enables

  • Find companies, contacts, and buying committee members
  • Enrich account, lead, and contact records with business information
  • Build targeted account and contact lists
  • Identify similar companies, similar contacts, and recommended contacts
  • Research accounts, competitors, markets, intent signals, and technology stacks
  • Prepare for sales calls, prioritize inbound leads, and personalize outreach
  • Size TAM and refine ICP or territory filters

Try Asking

  • "Help me prepare for a meeting with Apple's VP of Marketing this afternoon."
  • "Build me a list of SaaS companies in the UK with 200-500 employees using Salesforce."
  • "Find companies showing high buyer intent on data observability in the last 30 days."

Prerequisites

  • An LLM client or agent environment that supports MCP and/or local plugin manifests
  • A ZoomInfo account with the appropriate API access and product entitlements

MCP Server

The plugin registers ZoomInfo's hosted MCP server (https://mcp.zoominfo.com/mcp). Authentication is handled through your ZoomInfo account via OAuth — no API keys are stored in this repo. Clients connect over HTTP and complete the OAuth flow natively. All clients share the registration defined in .mcp.json:

{
  "mcpServers": {
    "zoominfo": {
      "type": "http",
      "url": "https://mcp.zoominfo.com/mcp"
    }
  }
}

Client Support

This repository includes metadata for multiple plugin-capable client environments:

PathPurpose
.mcp.jsonMCP server registration (all clients)
.codex-plugin/plugin.jsonCodex/OpenAI plugin metadata
.claude-plugin/plugin.jsonClaude plugin metadata
.claude-plugin/marketplace.jsonClaude marketplace metadata
.cursor-plugin/plugin.jsonCursor plugin metadata
.cursor-plugin/marketplace.jsonCursor marketplace metadata
skills/Task-specific workflows usable by clients that support skills

Install or register the plugin according to your client's plugin or MCP workflow. For local development, clone this repository and point your client at the repo root or relevant manifest path.

git clone https://github.com/Zoominfo/zoominfo-mcp-plugin.git

Skills

Skills are task-focused playbooks the agent follows to return structured outputs (briefs, tables, scores, emails) instead of raw tool JSON. Trigger them with /skill-name or plain language ("prep me for a meeting with Acme"); the agent can also select the right skill automatically when your request matches.

SkillDescription
account-researchProduce an account intelligence brief with firmographics, relationship context, intent, news, and next actions
build-listBuild targeted account or contact lists from natural-language criteria
buying-committeeMap decision-makers, influencers, champions, and coverage gaps at a target account
competitor-analysisCreate fact-led competitor briefs using ZoomInfo data plus public context
enrich-companyLook up company profiles, firmographics, financials, structure, and growth signals
enrich-contactLook up professional contact profiles, title, department, contact data, and accuracy signals
find-similarFind lookalike companies or contacts based on a reference account or person
meeting-prepPrepare for upcoming calls with account, attendee, relationship, and talking-point context
personalize-emailDraft outreach grounded in account, contact, intent, and trigger signals
recommend-contactsGet AI-ranked contact recommendations at a target company
score-accountsPrioritize accounts by ICP fit, intent, trigger signals, and explainable scoring
score-leadsRank inbound leads by fit, urgency, verified contact data, and recommended action
tam-sizerSize a market or territory and produce a reusable ICP filter set
tech-stack-snapshotSummarize detected technologies, displacement angles, and integration plays

Project Structure

.claude-plugin/
  plugin.json
  marketplace.json
.codex-plugin/
  plugin.json
.cursor-plugin/
  plugin.json
  marketplace.json
.mcp.json            # MCP server registration (all clients)
assets/
  zoominfo-logo.svg
  zoominfo-logo-dark.svg
  zoominfo-logomark-red.svg
skills/
  */SKILL.md
LICENSE

License

MIT

Frequently asked questions

What is ZoomInfo?

Official ZoomInfo MCP server. Search and enrich companies, contacts, and buyer intent signals.

How do I install ZoomInfo?

It runs as a remote server. In Claude Code: claude mcp add --transport http zoominfo 'https://mcp.zoominfo.com/mcp' --header 'Authorization: <OAuth 2.0 Bearer access token (format: Bearer <token>). See /.well-known/oauth-protected-resource and /.well-known/oauth-authorization-server for the discovery/authorization endpoints.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does ZoomInfo need an API key?

Yes. It expects Authorization, which you set in its configuration.

Is ZoomInfo open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains ZoomInfo?

It is published by Zoominfo. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.