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Compatible with unexpected MCP JSON format #2137

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Compatible with unexpected MCP JSON format #2137

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a33eeca
fix: support nested MCP JSON wrappers
Apr 16, 2026
1a72a00
Merge branch 'farion1231:main' into compatible-new-mcp-json-format
83d Apr 26, 2026
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35 changes: 17 additions & 18 deletions src/utils/formatters.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,10 @@ export function formatJSON(value: string): string {

/**
* 智能解析 MCP JSON 配置
* 支持两种格式：
* 支持3种格式：
* 1. 纯配置对象：{ "command": "npx", "args": [...], ... }
* 2. 带键名包装： "server-name": { "command": "npx", ... } 或 { "server-name": {...} }
* 3. 多层包裹的键值对: { "mcpServers": { "Context 7": { "command": "npx", ...} } }
*
* @param jsonText - JSON 字符串
* @returns { id?: string, config: object, formattedConfig: string }
Expand All @@ -38,29 +39,27 @@ export function parseSmartMcpJson(jsonText: string): {
trimmed = `{${trimmed}}`;
}

const parsed = JSON.parse(trimmed);
let currentConfig = JSON.parse(trimmed);

// 如果是单键对象且值是对象，提取键名和配置
const keys = Object.keys(parsed);
if (
// 如果是单键对象且值是对象，循环提取最终的键名和配置
let keys = Object.keys(currentConfig);
let extractedId: string | undefined;
while (
keys.length === 1 &&
parsed[keys[0]] &&
typeof parsed[keys[0]] === "object" &&
!Array.isArray(parsed[keys[0]])
keys[0] !== "command" &&
currentConfig[keys[0]] &&
typeof currentConfig[keys[0]] === "object" &&
!Array.isArray(currentConfig[keys[0]])
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) {
const id = keys[0];
const config = parsed[id];
return {
id,
config,
formattedConfig: JSON.stringify(config, null, 2),
};
extractedId = keys[0];
currentConfig = currentConfig[extractedId];
keys = Object.keys(currentConfig);
}

// 否则直接使用
return {
config: parsed,
formattedConfig: JSON.stringify(parsed, null, 2),
id: extractedId,
config: currentConfig,
formattedConfig: JSON.stringify(currentConfig, null, 2),
};
}

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