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Merge pull request #223 from tickernelz/fix/kiro-tool-filtering

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Fix Kiro provider 500 error by enforcing per-tool description length limit
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何夕2077 2026-01-13 12:14:28 +08:00 committed by GitHub
commit a7347cf64e
1 changed files with 22 additions and 64 deletions
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86
src/providers/claude/claude-kiro.js
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@ -747,74 +747,32 @@ async initializeAuth(forceRefresh = false) {
// 所有工具都被过滤掉了，不添加 tools 上下文
console.log('[Kiro] All tools were filtered out');
} else {
const TARGET_SIZE = 20000;
const MAX_DESCRIPTION_LENGTH = 9216;
const simplifySchema = (schema) => {
if (!schema || typeof schema !== 'object') return { type: 'object' };
const result = { type: schema.type || 'object' };
if (schema.properties && typeof schema.properties === 'object') {
result.properties = {};
for (const [key, value] of Object.entries(schema.properties)) {
result.properties[key] = { type: value.type || 'string' };
if (value.enum) result.properties[key].enum = value.enum;
}
let truncatedCount = 0;
const kiroTools = filteredTools.map(tool => {
let desc = tool.description || "";
const originalLength = desc.length;
if (desc.length > MAX_DESCRIPTION_LENGTH) {
desc = desc.substring(0, MAX_DESCRIPTION_LENGTH) + "...";
truncatedCount++;
console.log(`[Kiro] Truncated tool '${tool.name}' description: ${originalLength} -> ${desc.length} chars`);
}
if (schema.required && Array.isArray(schema.required) && schema.required.length > 0) {
result.required = schema.required;
}
return result;
};
const buildTools = (maxDescLen, useSimplifiedSchema) => {
return filteredTools.map(tool => {
let desc = tool.description || "";
if (maxDescLen !== null && desc.length > maxDescLen) {
desc = desc.substring(0, maxDescLen) + "...";
}
return {
toolSpecification: {
name: tool.name,
description: desc,
inputSchema: {
json: useSimplifiedSchema
? simplifySchema(tool.input_schema)
: (tool.input_schema || {})
}
return {
toolSpecification: {
name: tool.name,
description: desc,
inputSchema: {
json: tool.input_schema || {}
}
};
});
};
// 先尝试原始大小
let kiroTools = buildTools(null, false);
let size = JSON.stringify(kiroTools).length;
const originalSize = size;
// 超过限制则压缩
if (size > TARGET_SIZE) {
// 简化 schema
kiroTools = buildTools(null, true);
size = JSON.stringify(kiroTools).length;
// 缩短描述
if (size > TARGET_SIZE) {
const ratio = TARGET_SIZE / size;
const totalDescLen = tools.reduce((sum, t) => sum + (t.description || "").length, 0);
const avgDescLen = totalDescLen / tools.length;
let targetDescLen = Math.floor(avgDescLen * ratio * 0.8);
targetDescLen = Math.max(50, Math.min(500, targetDescLen));
kiroTools = buildTools(targetDescLen, true);
size = JSON.stringify(kiroTools).length;
while (size > TARGET_SIZE && targetDescLen > 50) {
targetDescLen = Math.floor(targetDescLen * 0.7);
targetDescLen = Math.max(50, targetDescLen);
kiroTools = buildTools(targetDescLen, true);
size = JSON.stringify(kiroTools).length;
}
}
console.log(`[Kiro] Tools compressed: ${originalSize} -> ${size} bytes (${filteredTools.length} tools)`);
};
});
if (truncatedCount > 0) {
console.log(`[Kiro] Truncated ${truncatedCount} tool description(s) to max ${MAX_DESCRIPTION_LENGTH} chars`);
}
toolsContext = { tools: kiroTools };