SERVER

pop-pay

Rank #47,213

io.github.100xPercent/pop-pay

Runtime security for AI agent commerce. CLI + MCP server blocks hallucinated purchases.

3 versions

1 GitHub stars

by 100xpercent (2 servers)View repository ↗

First listed

Apr 6, 2026

Last publish date

Apr 13, 2026

PURPOSE

What you can do with pop-pay

pop-pay is a Model Context Protocol (MCP) server published by 100xpercent. It ranks #47,213 of 144,396 active servers on MCP Toplist, and its repository has 1 GitHub stars. pop-pay is listed across 3 registries — Official MCP, PulseMCP and Glama, with 3 tracked versions. It was first listed on Apr 6, 2026 and most recently updated on Apr 13, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What pop-pay can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using pop-pay

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

POP_CDP_URL · optional
POP_ALLOWED_CATEGORIES · optional
POP_MAX_PER_TX · optional
POP_MAX_DAILY · optional
POP_GUARDRAIL_ENGINE · optional

INSTALLATION AND FIRST TASK

Connect pop-pay and confirm it works

npm package

claude mcp add pop-pay -e "POP_CDP_URL=<your POP_CDP_URL>" -e "POP_ALLOWED_CATEGORIES=<your POP_ALLOWED_CATEGORIES>" -e "POP_MAX_PER_TX=<your POP_MAX_PER_TX>" -e "POP_MAX_DAILY=<your POP_MAX_DAILY>" -e "POP_GUARDRAIL_ENGINE=<your POP_GUARDRAIL_ENGINE>" -- npx -y launch-mcp pop-pay

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.pop-pay]
command = "npx"
args = ["-y", "launch-mcp", "pop-pay"]

[mcp_servers.pop-pay.env]
POP_CDP_URL = "<your POP_CDP_URL>"
POP_ALLOWED_CATEGORIES = "<your POP_ALLOWED_CATEGORIES>"
POP_MAX_PER_TX = "<your POP_MAX_PER_TX>"
POP_MAX_DAILY = "<your POP_MAX_DAILY>"
POP_GUARDRAIL_ENGINE = "<your POP_GUARDRAIL_ENGINE>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "launch-mcp",
        "pop-pay"
      ],
      "env": {
        "POP_CDP_URL": "<your POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<your POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<your POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<your POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<your POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "launch-mcp",
        "pop-pay"
      ],
      "env": {
        "POP_CDP_URL": "<your POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<your POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<your POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<your POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<your POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "pop-pay": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "launch-mcp",
        "pop-pay"
      ],
      "env": {
        "POP_CDP_URL": "<your POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<your POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<your POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<your POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<your POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "launch-mcp",
        "pop-pay"
      ],
      "env": {
        "POP_CDP_URL": "<your POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<your POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<your POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<your POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<your POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "launch-mcp",
        "pop-pay"
      ],
      "env": {
        "POP_CDP_URL": "<your POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<your POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<your POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<your POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<your POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by 100xpercent

pop-pay#55,151

View all 100xpercent servers →

No task-specific alternatives are catalogued for pop-payyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Apr 6, 2026
Latest version published: Apr 13, 2026
Version history: 3 versions tracked (below)
Requirements evidence: Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 16, 2026

Registry sightings

Official MCP ↗listed since Apr 25, 2026 · still listed
PulseMCP ↗listed since Jun 4, 2026 · still listed
Glama ↗listed since Jun 4, 2026 · still listed

Do you maintain pop-pay? to correct or enrich this profile.

VERSIONS

Available versions (3)

Version	Published
0.5.7	Apr 13, 2026
0.5.5	Apr 13, 2026
0.5.4	Apr 11, 2026

STANDING

#47,213of 144,396 active serversTop 50%

Ranks ahead of 97,183 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.100xPercent%2Fpop-pay.svg)](https://mcptoplist.com/server/io.github.100xPercent%2Fpop-pay)

HTML

<a href="https://mcptoplist.com/server/io.github.100xPercent%2Fpop-pay"><img src="https://mcptoplist.com/badge/io.github.100xPercent%2Fpop-pay.svg" alt="MCP Toplist: Top 50% of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains pop-pay?: pop-pay is maintained by 100xpercent, which publishes 2 MCP servers (5 total versions) tracked on MCP Toplist.
Is pop-pay listed on the Official MCP Registry?: Yes — pop-pay is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does pop-pay have?: MCP Toplist tracks 3 versions of pop-pay, most recently published on Apr 13, 2026.
Where can I find the source code for pop-pay?: The source code for pop-pay is hosted at github.com/100xpercent/pop-pay.

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