agentmods.dev

developers-mcp

A local MCP server for accessing Mastercard Developers APIs, documentation, and API specifications. MCP is a standard way for an AI agent to call external tools.

In plain words
What is it for?
Use it to look up Mastercard API documentation and specifications or access the available Mastercard Developers APIs.
Why use it?
It gives an agent a defined connection to Mastercard’s developer resources instead of relying on manually copied information.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

55 2mo ago A scan tokens not measured original MIT
View the source file Mastercard/developers-agent-toolkit
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add mcp/mastercard/developers-agent-toolkit/developers-mcp
Clone the repo
git clone --depth 1 https://github.com/Mastercard/developers-agent-toolkit

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

developers-mcp scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

modelcontextprotocol/server.json · 10 lines

What it actually says

{
  "developers-mcp": {
    "command": "npx",
    "args": [
      "-y",
      "@mastercard/developers-mcp"
    ],
    "env": {}
  }
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 10 lines scan A c40dc58756d0

Subscribe to this mod's changes

developers-mcp is an MCP server published in the GitHub repository Mastercard/developers-agent-toolkit (55 stars, last pushed 2mo ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Backend and APIsData and AILLMWriting and docsapichatgptdevelopersgenerative-aimcp
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