payware A2A payments API for merchants, ISVs and payment institutions
To add payware to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 7 environment variables, listed below.
Install
npx -y @payware/mcp-server@2.0.0Environment variables
PAYWARE_PARTNER_TYPESet in your MCP configPAYWARE_PARTNER_IDSet in your MCP configPAYWARE_SANDBOX_PRIVATE_KEY_PATHSet in your MCP configPAYWARE_PRODUCTION_PRIVATE_KEY_PATHSet in your MCP configPAYWARE_OAUTH_CLIENT_IDSet in your MCP configPAYWARE_OAUTH_CLIENT_SECRETSet in your MCP configPAYWARE_MCP_TOOLSETSSet in your MCP configInstall with your client
claude mcp add payware --env PAYWARE_PARTNER_TYPE=<YOUR_PAYWARE_PARTNER_TYPE> --env PAYWARE_PARTNER_ID=<YOUR_PAYWARE_PARTNER_ID> --env PAYWARE_SANDBOX_PRIVATE_KEY_PATH=<YOUR_PAYWARE_SANDBOX_PRIVATE_KEY_PATH> --env PAYWARE_PRODUCTION_PRIVATE_KEY_PATH=<YOUR_PAYWARE_PRODUCTION_PRIVATE_KEY_PATH> --env PAYWARE_OAUTH_CLIENT_ID=<YOUR_PAYWARE_OAUTH_CLIENT_ID> --env PAYWARE_OAUTH_CLIENT_SECRET=<YOUR_PAYWARE_OAUTH_CLIENT_SECRET> --env PAYWARE_MCP_TOOLSETS=<YOUR_PAYWARE_MCP_TOOLSETS> -- npx -y @payware/mcp-server@2.0.0
Run this in a terminal to add the server to Claude Code.
What this does
payware exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
PAYWARE_PARTNER_TYPE PAYWARE_PARTNER_ID PAYWARE_SANDBOX_PRIVATE_KEY_PATH PAYWARE_PRODUCTION_PRIVATE_KEY_PATH PAYWARE_OAUTH_CLIENT_ID PAYWARE_OAUTH_CLIENT_SECRET PAYWARE_MCP_TOOLSETS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install payware?
Run the Claude Code command in the install section to add payware to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with payware?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to payware as well.
Does payware need an API key?
Yes. Before it can run, set these environment variables: PAYWARE_PARTNER_TYPE, PAYWARE_PARTNER_ID, PAYWARE_SANDBOX_PRIVATE_KEY_PATH, PAYWARE_PRODUCTION_PRIVATE_KEY_PATH, PAYWARE_OAUTH_CLIENT_ID, PAYWARE_OAUTH_CLIENT_SECRET, PAYWARE_MCP_TOOLSETS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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