lookup_decline_code — SmartRetry Payment Tools MCP Tool Read-only
lookup_decline_code
(lookup decline code) is one of 4 tools on the
SmartRetry Payment Tools
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call lookup_decline_code from your client
- Claude Code SmartRetry Payment Tools lookup_decline_code run in your project directory
- Claude Desktop SmartRetry Payment Tools lookup_decline_code ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor SmartRetry Payment Tools lookup_decline_code ~/.cursor/mcp.json
- VS Code SmartRetry Payment Tools lookup_decline_code .vscode/mcp.json
- Zed SmartRetry Payment Tools lookup_decline_code ~/.config/zed/settings.json
- Windsurf SmartRetry Payment Tools lookup_decline_code ~/.codeium/windsurf/mcp_config.json
- Cline SmartRetry Payment Tools lookup_decline_code ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI SmartRetry Payment Tools lookup_decline_code ~/.gemini/settings.json
- Grok SmartRetry Payment Tools lookup_decline_code .mcp.json (in your project root)
- ChatGPT SmartRetry Payment Tools lookup_decline_code Settings → Connectors → Advanced → Developer mode
- Claude.ai SmartRetry Payment Tools lookup_decline_code Settings → Connectors → Add custom connector
- LangChain SmartRetry Payment Tools lookup_decline_code pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http payment-tools https://tools.mcp.smartretry.com/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 11 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.