Instantly MCP Server

A lightweight, robust Model Context Protocol (MCP) server for the **Instantly.ai V2 API**, built with FastMCP.

Local serverstdioPython

What is the Instantly MCP Server?

A lightweight, robust Model Context Protocol (MCP) server for the Instantly.ai V2 API, built with FastMCP.

The short version

  • 38 tools — across 6 categories (accounts, campaigns, leads, emails, analytics, background_jobs)
  • Dual transport support — HTTP (remote deployment) + stdio (local)
  • Lazy loading — Reduce context window by loading only specific tool categories
  • Multi-tenant support — Per-request API keys for HTTP deployments
  • Comprehensive error handling — Detailed, actionable error messages
  • Rate limiting — Automatic tracking from API response headers

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
list_accountsList email accounts with filtering
get_accountGet account details and warmup status
create_accountCreate account with IMAP/SMTP credentials
update_accountUpdate account settings
manage_account_statePause, resume, warmup control, test vitals
delete_account⚠️ Permanently delete account
create_campaignCreate email campaign (two-step process)
list_campaignsList campaigns with pagination
get_campaignGet campaign details and sequences
update_campaignUpdate campaign settings
activate_campaignStart campaign sending
pause_campaignStop campaign sending
delete_campaign⚠️ Permanently delete campaign
search_campaigns_by_contactFind campaigns a contact is enrolled in
list_leadsList leads with filtering
get_leadGet lead details
create_leadCreate single lead
update_leadUpdate lead (⚠️ custom_variables replaces all)
list_lead_listsList lead lists
create_lead_listCreate lead list
update_lead_listUpdate lead list
get_verification_stats_for_lead_listGet email verification stats
add_leads_to_campaign_or_list_bulkBulk add up to 1,000 leads
delete_lead⚠️ Permanently delete lead
delete_lead_list⚠️ Permanently delete lead list
move_leads_to_campaign_or_listMove/copy leads between campaigns/lists
list_emailsList emails with filtering
get_emailGet email details
reply_to_email🚨 Send real email reply
count_unread_emailsCount unread inbox emails
verify_emailVerify email deliverability
mark_thread_as_readMark email thread as read
get_campaign_analyticsCampaign metrics (opens, clicks, replies)
get_daily_campaign_analyticsDay-by-day performance
get_warmup_analyticsAccount warmup metrics
list_background_jobsList async background jobs with pagination
get_background_jobGet details of a specific background job

How to install the Instantly MCP Server

{
  "mcpServers": {
    "instantly": {
      "command": "python",
      "args": [
        "-m",
        "instantly_mcp.server"
      ],
      "env": {
        "INSTANTLY_API_KEY": "YOUR_INSTANTLY_API_KEY"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

VariableDescriptionRequired
INSTANTLY_API_KEYDeclared in the maintainer’s client configuration.Yes

Example prompts to try

  • “Use Instantly MCP to list accounts.”
  • “Use Instantly MCP to get account.”
  • “Use Instantly MCP to create account.”

Frequently asked questions

A lightweight, robust Model Context Protocol (MCP) server for the **Instantly.ai V2 API**, built with FastMCP. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.