MCP server

Benchmark Email MCP by usefulapi

io.usefulapi/benchmark-email

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Manage Benchmark Email lists and contacts, and read campaign reports: opens, clicks, bounces.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

25

Token cost

About 4,405 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http benchmark-email https://benchmark-email.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.benchmark-email]
url = "https://benchmark-email.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"benchmark-email":{"httpUrl":"https://benchmark-email.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"benchmark-email":{"url":"https://benchmark-email.usefulapi.io/mcp"}}}

VS Code

{"servers":{"benchmark-email":{"type":"http","url":"https://benchmark-email.usefulapi.io/mcp"}}}

Antigravity

agy mcp add benchmark-email https://benchmark-email.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"benchmark-email","server_url":"https://benchmark-email.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"benchmark-email","server_url":"https://benchmark-email.usefulapi.io/mcp"}

Tools

• benchmark_add_contact ~369 tokens
  WRITE: add one contact to a list (or update it if the email is already there, as the vendor decides). It does not send any email. Only add people who agreed to get email. POST /Contact/{list_id}/ContactDetails.
• benchmark_create_list ~112 tokens
  WRITE: create an empty contact list. POST /Contact/.
• benchmark_get_account ~92 tokens
  The Benchmark Email account this token belongs to: client id, name, company, email, status, plan products, contact count and emails sent. GET /Client/ProfileDetails.
• benchmark_get_contact ~178 tokens
  One contact of a list with all its fields (Field1 ... Field24 hold the custom columns). GET /Contact/{list_id}/ContactDetails/{contact_id}.
• benchmark_get_email ~117 tokens
  One email campaign: subject, sender, target and excluded lists, dates and settings. GET /Emails/{email_id}.
• benchmark_get_email_bounces ~123 tokens
  Which addresses bounced for an email: contact, email address, time and bounce type. GET /Emails/{email_id}/Report/Bounces.
• benchmark_get_email_clicks ~117 tokens
  Who clicked a link in an email: contact, email address and time. GET /Emails/{email_id}/Report/Clicks.
• benchmark_get_email_opens ~193 tokens
  Who opened an email: contact, email address, time and device. GET /Emails/{email_id}/Report/Opens.
• benchmark_get_email_report ~130 tokens
  The report summary of one email: recipients, opens, clicks, bounces, unsubscribes, forwards, complaints and rates. GET /Emails/{email_id}/Report.
• benchmark_get_email_unsubscribes ~130 tokens
  Who unsubscribed after an email: contact, email address, time and reason, with a count per reason. GET /Emails/{email_id}/Report/Unsubscribes.
• benchmark_get_list ~123 tokens
  One contact list: name, description, active contact count and its custom field names (Field1Name ...). GET /Contact/{list_id}.
• benchmark_get_list_fields ~123 tokens
  The column names of a contact list (email, firstname, lastname and the custom fields). GET /Contact/{list_id}/Fields.
• benchmark_get_plan ~78 tokens
  The account's email plan, add-ons and contact usage (active, account and total contacts, percent used). GET /Client/Plan.
• benchmark_get_settings ~92 tokens
  Default sender settings: from name and email, signature, footer, time zone, language and company address. The API token in the reply is removed. GET /Client/Setting.
• benchmark_get_signup_form ~111 tokens
  One signup form with its settings and target lists. GET /SignupForm/{form_id}.
• benchmark_get_signup_form_link ~109 tokens
  The public link of a signup form. GET /SignupForm/{form_id}/Link.
• benchmark_list_contacts ~428 tokens
  List the contacts of one list with email, name, dates and id. Filter by status (subscribed, unsubscribed, hard_bounced) or search a column. GET /Contact/{list_id}/ContactDetails.
• benchmark_list_email_reports ~215 tokens
  Report summaries of sent emails: sends, opens, clicks, bounces, unsubscribes and complaints per campaign. GET /Emails/Report.
• benchmark_list_emails ~275 tokens
  List email campaigns with id, name, subject, type, status, dates and target lists. GET /Emails/.
• benchmark_list_lists ~254 tokens
  List contact lists with id, name, description, contact count and dates. Use the ids with the contact tools. GET /Contact/.
• benchmark_list_segments ~148 tokens
  List the saved segments (filtered subsets of lists) with id and name. GET /Contact/Segments.
• benchmark_list_signup_forms ~227 tokens
  List signup forms with id, name, date and the lists they feed. GET /SignupForm/.
• benchmark_search_contacts ~125 tokens
  Find an email address across all lists: one row per list it is on, with the list name, contact id and master-unsubscribe flag. GET /Contact/ContactDetails.
• benchmark_unsubscribe_contact ~183 tokens
  WRITE: move a contact to the Do Not Contact (master unsubscribe) list, so no campaign reaches it again. The API has no undo for this. DELETE /Contact/{list_id}/MoveToDNC/{contact_id}.
• benchmark_update_contact ~353 tokens
  WRITE: change fields of one contact in one list. Only the fields you pass are sent. PATCH /Contact/{list_id}/ContactDetails/{contact_id}.

Browse

• Email
• Email marketing

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