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PopNx MCPMCP servers for people who use AI · explained in plain words

Copper MCP by usefulapi

by m190version 1.35.3i★ –iRuns in the cloud
Registry nameio.usefulapi/copper

Install

Overview

Description from the maker (original English)

Read and write Copper CRM people, companies, opportunities and activities.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs in the cloud
  • Transport: Streamable HTTP
  • Category: Marketing & social media

Install

Pick the AI app you use, then copy the settings.

Before you install

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://copper.usefulapi.io/mcp

Run this in your terminal

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

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "copper": {
      "url": "https://copper.usefulapi.io/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "copper": {
      "type": "http",
      "url": "https://copper.usefulapi.io/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://copper.usefulapi.io/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

  • copper_get_account

    Get details of the authenticated Copper account. Copper REST: GET /account.

  • copper_list_users

    List users in the Copper account (id, name, email) — useful for resolving assignee ids. Copper REST: POST /users/search.

  • copper_search_people

    Search/list people (contacts). All filters optional; returns a page of people. Copper REST: POST /people/search.

  • copper_get_person

    Get a single person (contact) by id. Copper REST: GET /people/{id}.

  • copper_search_companies

    Search/list companies. All filters optional; returns a page of companies. Copper REST: POST /companies/search.

  • copper_get_company

    Get a single company by id. Copper REST: GET /companies/{id}.

  • copper_search_opportunities

    Search/list opportunities (deals). All filters optional; returns a page of opportunities. Copper REST: POST /opportunities/search.

  • copper_get_opportunity

    Get a single opportunity (deal) by id. Copper REST: GET /opportunities/{id}.

  • copper_search_leads

    Search/list leads. All filters optional; returns a page of leads. Copper REST: POST /leads/search.

  • copper_get_lead

    Get a single lead by id. Copper REST: GET /leads/{id}.

  • copper_search_tasks

    Search/list tasks. All filters optional; returns a page of tasks. Copper REST: POST /tasks/search.

  • copper_get_task

    Get a single task by id. Copper REST: GET /tasks/{id}.

  • copper_list_activities

    List activities (notes, calls, meetings, system events) attached to a record. Copper REST: POST /activities/search.

  • copper_list_activity_types

    List the account's activity types (user + system), needed to log an activity. Copper REST: GET /activity_types.

  • copper_list_pipelines

    List sales pipelines and their stages (ids needed to place opportunities). Copper REST: GET /pipelines.

  • copper_create_person

    Create a new person (contact). Copper REST: POST /people.

  • copper_update_person

    Update fields on an existing person. Only provided fields are changed. Copper REST: PUT /people/{id}.

  • copper_create_company

    Create a new company. Copper REST: POST /companies.

  • copper_create_opportunity

    Create a new opportunity (deal). `name` and `primary_contact_id` are required by Copper. Copper REST: POST /opportunities.

  • copper_create_lead

    Create a new lead. Copper REST: POST /leads.

  • copper_create_task

    Create a new task. Copper REST: POST /tasks.

  • copper_log_activity

    Log a user activity (e.g. a note or call) on a record. Get the activity_type_id from copper_list_activity_types. Copper REST: POST /activities.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 16 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 22 tool descriptions and found no hidden instructions to the AI

Compared with others in Marketing & social mediai

  • More stars than 0% of the other 2954 servers in this category
  • Published to the registry more recently than 96% of the other 2954 servers in this category
  • Basic checks equal to or better than 100% of the other 2954 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Copper MCP by usefulapi safe?

It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.35.3) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: MCP YouTube Transcript, Google Analytics MCP, BibiGPT YouTube Video Summarizer

Alternatives

Servers in the same category from other makers, sorted by stars.

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Copper MCP by usefulapi

Read and write Copper CRM people, companies, opportunities and activities. Hosted, no local install.

Live endpoint: https://copper.usefulapi.io/mcp · Homepage: https://usefulapi.io

Connect

  • Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste https://copper.usefulapi.io/mcp.
  • Claude Code: claude mcp add --transport http copper https://copper.usefulapi.io/mcp, then run /mcp to log in.
  • VS Code: Add to VS Code.
  • Cursor and other clients: add the URL as a remote MCP server:
{

"mcpServers": { "copper": { "url": "https://copper.usefulapi.io/mcp" } } }

Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your Copper credentials.

Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/copper/

On first connect you'll paste your Copper credentials. They are validated, stored per-user, and scoped to you — no keys in config files.

Tools

ToolTypeWhat it does
copper_get_accountreadGet account
copper_list_usersreadList users
copper_search_peoplereadSearch people
copper_get_personreadGet person
copper_search_companiesreadSearch companies
copper_get_companyreadGet company
copper_search_opportunitiesreadSearch opportunities
copper_get_opportunityreadGet opportunity
copper_search_leadsreadSearch leads
copper_get_leadreadGet lead
copper_search_tasksreadSearch tasks
copper_get_taskreadGet task
copper_list_activitiesreadList activities
copper_list_activity_typesreadList activity types
copper_list_pipelinesreadList pipelines
copper_create_personwriteCreate person
copper_update_personwriteUpdate person
copper_create_companywriteCreate company
copper_create_opportunitywriteCreate opportunity
copper_create_leadwriteCreate lead
copper_create_taskwriteCreate task
copper_log_activitywriteLog activity
copper_usage_statusmetaUsage status (free-tier meter)
copper_request_featuremetaRequest a missing feature
copper_upgrademetaUpgrade to Pro or Pro+
copper_cancel_subscriptionmetaCancel the Pro subscription

read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Pro$9/mo or $90/yr (2 months free)Unlimited*

\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.

Pro covers this server only. Subscribe with copper_upgrade (it returns a Stripe Checkout link). Cancel any time with copper_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running copper_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

License

MIT

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