# Mastercard Developers Agent Toolkit (MCP): tools, setup, cost

> Mastercard's Developers Agent Toolkit is a free MCP server that serves Mastercard developer documentation and API specs to AI coding tools, including the Open Finance US (Finicity) docs. It has a hosted remote option at https://developer.mcp.mastercard.com and a local stdio option; Mastercard describes its tools as exposing developer docs, API specs and guides.

- Kind: Developer-tooling MCP server
- Status: Live
- First seen: Mar 2026
- Products: [Mastercard Open Finance US (Finicity)](https://wealthtech.dev/products/finicity)
- Id: `finicity-agent-toolkit` · JSON: https://wealthtech.dev/mcp/finicity-agent-toolkit.json

## Facts

| Field | Value | Source and quote | Checked |
|---|---|---|---|
| Endpoint | https://developer.mcp.mastercard.com | Checked on the source's own page. [developer.mastercard.com](https://developer.mastercard.com/platform/documentation/agent-toolkit/) "claude mcp add --transport http mastercard-developers https://developer.mcp.mastercard.com" | 2026-10-17 |
| Transport | http | Checked on the source's own page. [developer.mastercard.com](https://developer.mastercard.com/platform/documentation/agent-toolkit/) "claude mcp add --transport http mastercard-developers" | 2026-10-17 |
| Tool count | Not found | Not found. The pages read do not give a tool count. The install page names a get-services-list tool that is disabled when a service or API specification is set. The pages read do not give a tool count. The install page names a get-services-list tool that is disabled when a service or API specification is set. | 2026-10-17 |
| Read or write | documentation-and-specs | Checked on the source's own page. [developer.mastercard.com](https://developer.mastercard.com/platform/documentation/agent-toolkit/) "exposes product docs, API specs, and guides on Mastercard Developers as structured tools" | 2026-10-17 |
| Authentication | Not found | Not found. The install commands on the pages read show no credentials, but no page states an authentication requirement either way. The install commands on the pages read show no credentials, but no page states an authentication requirement either way. | 2026-10-17 |
| Who turns it on | Self-serve: add the server URL in an MCP client, or run the npm package locally | Checked on the source's own page. [developer.mastercard.com](https://developer.mastercard.com/platform/documentation/agent-toolkit/) "Remote (recommended): The remote option is easier to set up, requires minimal configuration" | 2026-10-17 |
| Price | Free | Checked on the source's own page. [developer.mastercard.com](https://developer.mastercard.com/platform/documentation/agent-toolkit/install-mcp-sdk/) "The MCP toolkit is completely free to use." | 2026-10-17 |

## Listings

- https://developer.mastercard.com/open-finance-us/documentation/: Mastercard Open Finance US documentation (checked 2026-10-17) "Mastercard Developers Agent Toolkit (MCP server & SDK)"
- https://registry.modelcontextprotocol.io/v0/servers?search=mastercard&limit=10: Official MCP registry (checked 2026-10-17) ""publishedAt":"2026-03-25"

This page describes security facts (auth, read or write scope, who turns it on). It doesn't endorse the server.
---
Source: https://wealthtech.dev/mcp/finicity-agent-toolkit · Facts licensed CC BY 4.0 (attribution "wealthtech.dev"). Every fact states where it was checked and when; check the source before relying on it.