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

Serpel

by Serpelappversion 0.2.0i★ –iRuns in the cloud
Registry nameapp.serpel/mcp

Install

Overview

Description from the maker (original English)

SEO rankings, search performance, keyword opportunities, competitors and site audits.

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

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • The registry lists no key to fill in.

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://serpel.app/mcp

Run this in your terminal

claude mcp add --transport http serpel https://serpel.app/mcp

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "serpel": {
      "url": "https://serpel.app/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": {
    "serpel": {
      "type": "http",
      "url": "https://serpel.app/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://serpel.app/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

We have not read this server’s tool list yet; we check endpoints in rotation.

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 serpel.app (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

  • … Not checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Marketing & social mediai

  • More stars than 0% of the other 2969 servers in this category
  • Published to the registry more recently than 53% of the other 2969 servers in this category
  • Basic checks equal to or better than 100% of the other 2969 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 Serpel safe?

It passed 1 of 1 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 (0.2.0) reached the registry 27 days ago.

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.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

An MCP server retrieving transcripts of YouTube videos

Runs on your computer★ 495MITUpdated 9 days ago
Install

GA4 MCP server for AI agents: schema discovery, server-side aggregation, analysis-ready defaults.

Runs on your computer★ 244MITUpdated 9 days ago
Install

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.

Serpel plugin for AI assistants

Ask Claude, ChatGPT, Codex, Cursor, GitHub Copilot, VS Code or the Gemini CLI about the SEO data of your own websites. The plugin connects your assistant to the Serpel MCP server and adds a skill that explains which tool to use when.

The plugin contains manifests and one skill only. It has no program code and no hooks.

What you can ask

  • Which projects do I have, and how healthy is each one?
  • Which keywords moved up or down since the last rank check?
  • What do Google Search Console clicks and impressions look like compared with the previous period?
  • Which queries rank on positions 4 to 20 and are quick wins?
  • Where do my competitors rank better than I do?
  • Which technical issues did the latest crawl find, and what should I fix first?
  • How often is my site cited or mentioned in ChatGPT answers and in Google AI Overviews?
  • Has my crawl or rank check finished?
  • Optional, uses credits: keyword ideas with search volume, difficulty and intent.

Tools

ToolPurposeCosts
list_projectsProjects of your account with IDs and domainsfree
get_project_overviewAudit score, rankings, AI visibility, tasks and next stepsfree
get_keyword_rankingsTracked keywords with positions and changesfree
get_search_performanceSearch Console or Bing clicks, impressions, CTR, positionfree
find_keyword_opportunitiesQueries on positions 4 to 20 with impressionsfree
analyze_competitorsVisibility and head-to-head comparison from stored resultsfree
get_crawl_issuesIssues of the latest crawl by severityfree
get_ai_visibilityCitations and mentions in ChatGPT answers and Google AI Overviewsfree
get_job_statusStatus and result of a background jobfree
get_seo_recommendationsPrioritised recommendations with impact, effort and evidencefree
get_codebase_overviewRoutes, metadata and live-page mapping from the codebase snapshotfree
get_conversion_performanceSessions, conversions and conversion rate per landing pagefree
research_keywordsKeyword ideas and metricscredits

All lists contain at most 25 rows. Tools only read data of projects you can access, and they never change your website.

ChatGPT does not offer research_keywords. In all other clients it needs an active Starter or Pro plan and the workspace setting “Agents can spend credits”. A daily credit limit for agents applies, and credits come from your monthly plan allowance first.

Interactive cards

In apps that can display MCP Apps, such as ChatGPT and Claude, four tools show their result as an interactive card: get_keyword_rankings, get_crawl_issues, find_keyword_opportunities and get_ai_visibility. Every other client, for example Claude Code, Cursor, Codex and the Gemini CLI, gets the same data as text. The cards load no external resources and open links only to the Serpel dashboard.

Set up

The server address is https://serpel.app/mcp (Streamable HTTP). Clients that support OAuth open a browser window for the sign-in on first use. Alternatively create an API token with the mcp:read permission (plus the read permissions for the data you want to use) in the Serpel dashboard under Settings, API tokens, and send it as Authorization: Bearer .

Claude Code
claude mcp add --transport http serpel https://serpel.app/mcp

To load the plugin with its skill from a local checkout: claude --plugin-dir ./serpel-plugin.

ChatGPT and Codex

Install the plugin from the plugin directory, or add the remote MCP server https://serpel.app/mcp in the connector settings and sign in with your Serpel account.

Cursor

Add the server in .cursor/mcp.json or install the plugin from the marketplace:

{

"mcpServers": { "serpel": { "url": "https://serpel.app/mcp" } } }

VS Code with GitHub Copilot

Add the server in .vscode/mcp.json or install it from the MCP gallery (@mcp):

{

"servers": { "serpel": { "type": "http", "url": "https://serpel.app/mcp" } } }

Gemini CLI
gemini extensions install https://github.com/Serpelapp/serpel-plugin

Files

FileFor
plugin.json, mcp.json, skills/serpel/SKILL.mdAgent Plugins 1.0: ChatGPT, Codex, Cursor, GitHub Copilot, VS Code
chatGpt/skills/serpel/SKILL.mdSkill for the ChatGPT app directory, without keyword research, which ChatGPT does not offer
.claude-plugin/plugin.json, .mcp.jsonClaude Code
gemini-extension.jsonGemini CLI
server.jsonOfficial MCP registry, name app.serpel/mcp
assets/Icon

All manifests carry the same version.

Privacy and support

  • Privacy policy: https://serpel.app/privacy
  • Terms: https://serpel.app/terms
  • Support and contact: https://serpel.app/about#how-can-you-contact-serpel
  • Legal notice: https://serpel.app/imprint

Tool results contain data from your Serpel account only. Disconnect a client at any time in the Serpel dashboard under Settings, API, connected apps.

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