Mortgage Knowledge Base RAG
Answer any mortgage or home-buying question instantly from a curated expert knowledge base. No hallucination — every answer is grounded in the indexed documents.
What It Does
Given a plain-English question, this skill:
- 1. Searches the mortgage and real estate knowledge base using semantic similarity
- Retrieves the most relevant passages (with source citations)
- Synthesizes a clear, accurate answer — citing which document it came from
- Flags gaps — if the question isn't in the knowledge base, says so rather than guessing
Use Cases
- - MLOs answering client questions quickly without Googling
- Real estate agents prepping for buyer consultations
- First-time buyers who need straight answers about the process
- Agents building FAQ content for their websites
- Verifying what a lender told you is actually correct
Inputs
CODEBLOCK0
- -
query (required): Any natural-language question about mortgages, credit, or home buying - INLINECODE1 (optional): Narrows search to a specific knowledge domain
- INLINECODE2 (optional, default: standard): How much detail to return
- INLINECODE3 (optional, default: buyer): Tailors language complexity to the reader
Outputs
CODEBLOCK1
Knowledge Base Coverage
The indexed knowledge base covers:
Credit & Financing
- - Credit score tiers and their rate impact (real dollar math)
- The 5 credit factors and which to improve first
- FHA, conventional, VA, USDA loan programs
- Down payment assistance programs (national + state-level)
- Debt-to-income ratio calculation and limits
- What triggers hard vs. soft credit inquiries
The Buying Process
- - Pre-approval vs. pre-qualification (what agents actually care about)
- Making competitive offers in different market conditions
- Inspection timelines and what to push back on
- Closing costs breakdown (who pays what)
- The 45-day closing timeline step-by-step
- What NOT to do after going under contract
Credit Repair
- - Dispute letter process (FCRA rights)
- Pay-for-delete negotiation strategy
- Goodwill letter templates and when they work
- Credit utilization optimization (fastest score mover)
- Authorized user strategy
- 48-hour rapid rescore process
Market & Terminology
- - 40+ glossary terms (escrow, PMI, LTV, DTI, rate lock, etc.)
- How to read a Loan Estimate (LE) vs. Closing Disclosure (CD)
- Rate lock timing strategy
- Understanding APR vs. interest rate
Lead Nurture & Follow-Up (MLO/Agent Tools)
- - 90-day credit repair client journey
- Follow-up script patterns by lead stage
- Objection handling (rates, timing, affordability)
Pricing
| Tier | Price | Queries |
|---|
| Single query | $1 | 1 question |
| Pack |
$7 | 10 questions |
| Unlimited (30 days) | $19 | Unlimited |
Technical Notes
- - Knowledge base: ~450 Q&A pairs + sourced document passages
- Retrieval: TF-IDF + semantic re-ranking
- Latency: <2s for standard queries
- Hallucination guard: returns
knowledge_gap: true if confidence < 0.70 - Updates: knowledge base refreshed monthly with new loan program data
抵押贷款知识库RAG
从精选的专家知识库中即时回答任何抵押贷款或购房问题。无幻觉——每个答案都基于已索引的文档。
功能说明
给定一个通俗英语问题,该技能将:
- 1. 搜索抵押贷款和房地产知识库(基于语义相似度)
- 检索最相关的段落(附来源引用)
- 综合生成清晰准确的答案——并注明来源文档
- 标记缺口——如果问题不在知识库中,如实说明而非猜测
使用场景
- - 贷款专员无需谷歌搜索即可快速回答客户问题
- 房地产经纪人准备购房咨询
- 首次购房者需要关于流程的直接答案
- 经纪人为其网站构建常见问题内容
- 核实贷款机构提供的信息是否准确
输入参数
json
{
query: 买房需要多少信用分数?,
category: credit|loans|process|terminology|programs|investing,
detail_level: brief|standard|detailed,
audience: buyer|agent|mlo|investor
}
- - query(必填):任何关于抵押贷款、信用或购房的自然语言问题
- category(可选):将搜索范围缩小到特定知识领域
- detail_level(可选,默认:standard):返回信息的详细程度
- audience(可选,默认:buyer):根据读者调整语言复杂度
输出结果
json
{
answer: 要获得常规贷款资格,大多数贷款机构要求最低620信用分。FHA贷款接受低至580分(首付3.5%)或500分(首付10%)。但740分以上可获得最佳利率——通常比620分低0.5-1.0%的年利率,对于35万美元的贷款,每月可节省150-300美元。,
confidence: high,
sources: [
{
document: 首次购房路线图,
section: 第一阶段:财务概览,
relevance: 0.94
},
{
document: 90天信用修复指南,
section: 房价计算:不同信用等级的实际影响,
relevance: 0.87
}
],
related_questions: [
如何在90天内提高信用分数?,
FHA贷款和常规贷款有什么区别?,
1个信用分差对抵押贷款利率有多大影响?
],
knowledge_gap: false
}
知识库覆盖范围
已索引的知识库涵盖:
信用与融资
- - 信用分数等级及其利率影响(实际金额计算)
- 5个信用因素及优先改善项
- FHA、常规、VA、USDA贷款项目
- 首付援助项目(全国+州级)
- 债务收入比计算及限制
- 硬查询与软查询的触发条件
购房流程
- - 预批准与预资格(经纪人实际关注点)
- 不同市场条件下的竞争性报价策略
- 检查时间线及可协商事项
- 成交费用明细(谁支付什么)
- 45天成交时间线分步指南
- 签订合同后不应做的事项
信用修复
- - 争议信函流程(FCRA权利)
- 付费删除谈判策略
- 善意信函模板及适用时机
- 信用利用率优化(最快提分方法)
- 授权用户策略
- 48小时快速重新评分流程
市场与术语
- - 40+术语表(托管、PMI、LTV、DTI、利率锁定等)
- 如何阅读贷款估算表与成交披露表
- 利率锁定时机策略
- 理解年利率与名义利率的区别
潜在客户培育与跟进(贷款专员/经纪人工具)
- - 90天信用修复客户旅程
- 按潜在客户阶段划分的跟进话术模式
- 异议处理(利率、时机、可负担性)
定价
$7 | 10个问题 |
| 无限次(30天) | $19 | 无限次 |
技术说明
- - 知识库:约450个问答对+来源文档段落
- 检索:TF-IDF + 语义重排序
- 延迟:标准查询<2秒
- 幻觉防护:置信度<0.70时返回knowledge_gap: true
- 更新:知识库每月刷新,更新贷款项目数据