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How to Connect Close CRM to Claude — via MCP

Drive Close (sales-team CRM) from any AI agent: leads, contacts, opportunities, activities (calls/emails/SMS/notes), tasks, smart views and custom fields. 16 tools, API-key Basic-auth.

HCBy HelpCode teamUpdated 3 min read Open-source on GitHub

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Close CRM

Close CRM

Drive Close (sales-team CRM) from any AI agent: leads, contacts, opportunities, activities (calls/emails/SMS/notes), tasks, smart views and custom fields. 16 tools, API-key Basic-auth.

tools

16

Region

INTL

Category

CRM

Authentication

Basic Auth

Required env vars

CLOSE_API_KEY
Install in one click on Cloud

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  • 7-day free trial
    No credit card required
  • GDPR & SOC 2 ready
    EU data residency, audit logs
  • Open-source on GitHub
    Open source · AGPL-3.0
  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

Skip the install. Get this working in under 2 minutes.

Start a free trial on cloud.anythingmcp.com, add the Close CRM in one click, then point your AI client (Claude, ChatGPT, Copilot or Cursor) at the generated MCP endpoint. No Docker, no git clone, zero engineering experience required.

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AnythingMCP is listed in Claude's connector directory: add it to Claude in one click (opens in a new tab), then sign in and choose which MCP servers Claude may use.

Summary

Drive Close (sales-team CRM) from any AI agent: leads, contacts, opportunities, activities (calls/emails/SMS/notes), tasks, smart views and custom fields. 16 tools, API-key Basic-auth.

Try asking

Example prompts for Close CRM

Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.

Close CRM · live via MCP
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Opus 4.7

Claude is AI and can make mistakes. Please double-check responses.

💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → Close CRM, paste your credentials, mint an MCP API key — done. No Docker, no git clone, no local server.

Close CRM + Claude

Drive Close (sales-team CRM) from any AI agent: leads, contacts, opportunities, activities (calls/emails/SMS/notes), tasks, smart views and custom fields. 16 tools, API-key Basic-auth.

Prerequisites

See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:

CLOSE_API_KEY

Step 1 — Get credentials

close.com).

Setup:

  1. Sign in to Close → top-right avatar → Settings → Developer → API Keys → New API Key.
  2. Name it ('AnythingMCP'), copy the key (starts with api_). Set CLOSE_API_KEY.

Authentication: HTTP Basic auth with username=API_KEY and password empty. The adapter passes Authorization: Basic base64(API_KEY:). Same as Stripe's auth model.

…(continued in the in-app connector instructions)

Step 2 — Install the adapter

curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d

Step 3 — Add the connector in Claude

Your server URL: in AnythingMCP, open MCP Servers → the server this connector is on, and copy its URL (https://cloud.anythingmcp.com/mcp/…). Use it wherever this guide shows YOUR_SERVER_ID.

Recommended path — works on claude.ai web without editing any config file.

  1. In Claude, open Customize → Connectors.
  2. Click +, then Add custom connector.
  3. Enter a name, e.g. Close CRM, and the remote MCP server URL https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID, then click Add.
  4. Click Connect and sign in to AnythingMCP (OAuth) to allow access.

All tools below appear in your chat — start typing prompts.

Available tools

ToolWhat it does
close_get_meReturn the user the API key belongs to plus the organization context (id, name, plan, addresses)
close_list_leadsList leads (companies) with optional query filter and pagination
close_get_leadFetch one lead by ID
close_create_leadCreate a new lead (company)
close_update_leadPartial-update a lead
close_list_contactsList contacts (people) — typically scoped to a lead via the lead_id query param
close_create_contactCreate a contact on a lead
close_list_opportunitiesList opportunities (deals)
close_create_opportunityCreate an opportunity (deal)
close_update_opportunityUpdate an opportunity
close_create_note_activityLog a free-text note on a lead (timeline)
close_list_activitiesList activities (timeline events) — call, email, sms, note, meeting, etc
close_create_taskCreate a task on a lead
close_list_lead_statusesList the lead status values configured on the organization (e
close_list_opportunity_statusesList the opportunity (pipeline stage) status values — typically active stages + won/lost terminal states
close_list_lead_custom_fieldsList the custom fields defined on leads with their IDs (cf_XYZ), types, and pick-list options

FAQ

Does it work with Claude Code as well as Claude Desktop? Yes — point both at https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID.

Next steps

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