Pumpcheck

com.edgethirteen.wwwPublished by www.edgethirteen.comOfficial publisherv1.0.0Updated Oct 24, 2026

Detect npm download-pumping before adding a dependency: real usage vs inflated counter.

The publisher's own server: Accessproof

VerifiedStreamable HTTPWeb executableDeveloper Tools

Overview

AI-generated overview

Lets an assistant check whether an npm package's download counts look inflated before you add it as a dependency.

What you can do
Pumpcheck is a remote MCP endpoint that examines npm download statistics to help distinguish genuine usage from artificially inflated counters. Its stated purpose is to flag download-pumping before a package is added as a dependency. No individual tools are listed in the registry entry, so the exact operations it exposes are not documented here.
When to use it
Worth considering when evaluating an unfamiliar npm package and you want a second signal on whether its popularity is real. Useful as a pre-installation sanity check alongside other dependency review steps.
Requirements
It runs as a remote streamable HTTP endpoint at the provider's site; no package installation is needed. The manifest declares no authentication, environment variables, or headers, and no account or API key is documented.
Before you install
The registry entry is very brief: no tool list, no README, and no documented authentication or data-handling details. Because it is a remote service, requests go to a third party. Treat its verdict as one signal among several rather than proof, and confirm what data is sent before relying on it.

Installation

In SourceWeft

  1. Open Pumpcheck in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/com.edgethirteen.www%2Fpumpcheck/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "pumpcheck": {
      "type": "http",
      "url": "https://www.edgethirteen.com/api/mcp/pumpcheck"
    }
  }
}

Tools

0
SourceWeft has not read this server's tools yet.

Version history

1
  1. v1.0.0LatestSep 17, 2026

Score

56% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
  • Logo10 pts

    Publish an icon in the registry entry.

  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.

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