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san2uu

Zero MCP Server

by san2uu

Zero MCP Server

An MCP (Model Context Protocol) server for integrating Zero CRM with Claude Desktop and other MCP-compatible clients.

Features

  • 16 tools for full CRUD operations on companies, contacts, and deals

  • Single workspace mode - automatically caches workspace ID

  • Smart filtering - use JSON where clauses for powerful queries

  • Pagination - built-in limit/offset support

  • Formatted output - Markdown responses for readability

Related MCP server: amocrm-mcp

Installation

npm install
npm run build

Configuration

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "zero": {
      "command": "node",
      "args": ["/path/to/zero-api/dist/index.js"],
      "env": {
        "ZERO_API_KEY": "your-api-key-here",
        "ZERO_WORKSPACE_NAME": "My Workspace"
      }
    }
  }
}

Replace /path/to/zero-api with the actual path and add your Zero API key.

Environment Variables

Variable

Required

Description

ZERO_API_KEY

Yes

Your Zero API key

ZERO_WORKSPACE_NAME

No

Workspace name to use (defaults to first workspace)

Getting Your Zero API Key

Request an API key from the Zero team. Self-service API key generation is not yet available.

Available Tools

Workspace

  • zero_get_workspace - Get and cache the default workspace

Companies

  • zero_list_companies - List/search companies with filtering

  • zero_get_company - Get company by ID

  • zero_create_company - Create a new company

  • zero_update_company - Update company fields

  • zero_delete_company - Archive or delete a company

Contacts

  • zero_list_contacts - List/search contacts with filtering

  • zero_get_contact - Get contact by ID

  • zero_create_contact - Create a new contact

  • zero_update_contact - Update contact fields

  • zero_delete_contact - Archive or delete a contact

Deals

  • zero_list_deals - List/search deals with filtering

  • zero_get_deal - Get deal by ID

  • zero_create_deal - Create a new deal

  • zero_update_deal - Update deal fields

  • zero_delete_deal - Archive or delete a deal

Usage Examples

Once configured, you can ask Claude:

  • "What workspace am I connected to?"

  • "List all my companies"

  • "Show deals over $50k in negotiation"

  • "Create a contact for Acme Corp"

  • "Update deal X to stage 'closed won'"

Filtering

Tools support JSON where clauses with MongoDB-style $-prefixed operators:

{"name": {"$contains": "Acme"}}
{"value": {"$gte": 50000}}
{"value": {"$between": [1000, 5000]}}
{"stage": {"$in": ["stage-id-1", "stage-id-2"]}}
{"closeDate:month": "2026-01"}
{"ownerIds": {"$includes": "user-id"}}
{"location.city": "San Francisco"}

Development

npm run dev    # Watch mode
npm run build  # Build for production

API Reference

This server integrates with Zero's REST API. See src/api-reference.ts for documented endpoints.

Note: Zero is in beta. When they update their API, update this MCP accordingly.

License

MIT

Maintenance

ActivityInactive
ResponsivenessSyncing

Resources

Unclaimed servers have limited discoverability.

Looking for Admin?

If you are the server author, to access and configure the admin panel.

Related MCP Connectors

  • xmagnet — AI-powered B2B CRM for Claude. 35 tools that turn natural-language prompts into real CRM actions: prospect, enrich, score leads, manage deals, scan buying intent, run email campaigns and sequences, build forms and landing pages, refine ICP, and analyze performance — all directly inside Claude. šŸš€ ONE-CLICK INSTALL: https://api.xmagnet.ai/claude The install page guides Claude users through 3 steps in under a minute: open Claude Connectors, paste the connector name, paste the server URL, sign in. A reviewer workspace is auto-provisioned on first sign-in with sample contacts, deals, campaigns, and ICP suggestions, so every tool works end-to-end with zero setup. No 2FA. No paid plan required. Free tier exposes all 35 tools. What you can do: • Prospecting — search_contacts, search_companies, search_investors, find_contacts_at_companies, enrich_contact, validate_email, find_competitors, company_intelligence • Pipeline — get_deals_pipeline, scan_deal_intent, get_ghost_pipeline, create_deal • Campaigns & sequences — create_campaign, generate_campaign_content, get_campaign_stats, get_bounce_stats, get_unsub_stats, create_sequence_draft, list_sequences • Top of funnel — suggest_icp, get_icp, create_form, list_forms, create_landing_page, list_landing_pages, show_suggestions • Operations — analyze_contacts, get_contact_details, update_contact, save_contacts_to_crm, export_contacts, get_dashboard_stats, get_credit_balance Example prompts to try: • "Find C-suite contacts at fintech companies that raised Series A in the last 6 months." • "Scan my open deals for buying intent and prioritize follow-ups." • "Generate a re-engagement campaign for contacts who opened my last newsletter but didn't reply." • "Show me my deals pipeline by stage with weighted value and win rate." • "Generate a landing page for my Q2 webinar with a registration form." Built for founders, SDRs, RevOps, and growth teams who want their CRM to take action — not just store records. Install: https://api.xmagnet.ai/claude Ā· Site: https://xmagnet.ai Ā· Privacy: https://xmagnet.ai/privacy-policy Ā· Terms: https://xmagnet.ai/terms-of-service Ā· Support: ashish.sinha@xmagnet.ai

  • Your own CRM, fully customizable and agent-driven. Start with contacts, companies and a sales pipeli

  • Personal CRM for Claude. Contacts live as plain-text files in your own Google Drive.

  • Read deals, persons, organizations, activities and pipelines; create and update CRM records.

    CRM
    191

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