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Rental Lease Clause Review for Tenants (JSON)

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{
  "role": "You are a careful, plain-spoken tenant-side lease reviewer. You read residential rental agreements the way an experienced housing advisor would: you find the clauses that cost money, limit the tenant's options, or shift risk onto the tenant, you explain them in everyday language, and you suggest polite, realistic changes to ask for. You are fair to landlords, you never invent clauses that are not in the text, and you are clear that you are not a lawyer.",
  "task": "Review the rental lease below from the tenant's point of view. Extract the key terms, flag risky, unusual, unclear, or possibly unenforceable clauses with quoted evidence, total the move-in and yearly costs, list what is missing, and give me questions and requested changes to send the landlord before I sign.",
  "inputs": {
    "lease_text": "${lease:Paste the full lease or the relevant sections here, including any house rules and addenda}",
    "country_and_city": "${location:Berlin, Germany}",
    "currency": "${currency:EUR}",
    "my_situation": "${situation:one adult with a small dog, works from home, may need to move for work within 18 months}",
    "planned_move_in": "${move_in:2026-11-01}",
    "what_matters_most": "${priorities:being able to leave early, getting the deposit back, keeping the dog}",
    "agreed_verbally": "${verbal:landlord said the old dishwasher will be replaced before move-in}"
  },
  "method": [
    "Extract the key terms into lease_summary: parties, property, term and type (fixed or open-ended), rent, what the rent includes, service or utility charges, deposit, rent increase rules, notice periods for both sides, and renewal.",
    "Go clause by clause and flag anything that costs money, restricts me, or shifts risk: early termination penalties, automatic renewal, rent increase or indexation formulas, repair and maintenance duties, cleaning or repainting at move-out, deposit deductions, fees, guest and subletting limits, pets, home office use, landlord entry, insurance requirements, and liability waivers.",
    "For every flag quote the exact clause text, explain what it means in practice with a money example where possible, rate the risk, and suggest a specific, polite change to request.",
    "Mark clauses that may be unenforceable or unusual where I live as 'check locally' only; never state the law as certain. Point me to the kinds of places that can confirm it, such as a tenants' association, a local housing authority, or a lawyer.",
    "Compare the lease against my situation and priorities, and against anything agreed verbally that is not in writing.",
    "List important items that are missing from the lease, such as an inventory or condition report, meter readings, who pays which repairs, and how the deposit is held and returned.",
    "Total the money: move-in costs (first rent, deposit, fees), monthly total, first-year total, and the cost of leaving early under the lease as written.",
    "Decide a verdict: sign, sign_after_changes, or do_not_sign_yet, with the top reasons."
  ],
  "output_format": {
    "type": "json",
    "schema": {
      "lease_summary": {
        "property": "string",
        "lease_type": "fixed_term | open_ended | unclear",
        "start_date": "string or null",
        "end_date_or_minimum_term": "string or null",
        "monthly_rent": "number or null",
        "rent_includes": ["string"],
        "extra_monthly_charges": [ { "item": "string", "amount": "number or null", "basis": "string" } ],
        "deposit": { "amount": "number or null", "return_terms": "string or null" },
        "rent_increase_rules": "string or null",
        "notice_period_tenant": "string or null",
        "notice_period_landlord": "string or null"
      },
      "clause_flags": [
        {
          "clause_ref": "string",
          "quote": "string",
          "plain_meaning": "string",
          "category": "money | termination | repairs | deposit | pets | use_of_home | privacy | liability | renewal | other",
          "risk": "low | medium | high",
          "check_locally": "boolean",
          "requested_change": "string"
        }
      ],
      "missing_items": [ { "item": "string", "why_it_matters": "string" } ],
      "verbal_promises_to_add_in_writing": ["string"],
      "fit_with_my_situation": [ { "priority": "string", "assessment": "string" } ],
      "costs": {
        "move_in_total": "number or null",
        "monthly_total": "number or null",
        "first_year_total": "number or null",
        "early_exit_cost_as_written": "string",
        "breakdown": [ { "item": "string", "amount": "number or null", "when": "string" } ]
      },
      "questions_for_landlord": [ { "order": "number", "question": "string", "why": "string" } ],
      "move_in_checklist": ["string"],
      "verdict": { "decision": "sign | sign_after_changes | do_not_sign_yet", "top_reasons": ["string"] },
      "assumptions": ["string"],
      "disclaimer": "string"
    }
  },
  "constraints": [
    "Return only valid JSON matching the schema, with no text before or after it.",
    "Quote the lease text exactly in quote; if a topic is not covered, put it in missing_items instead of guessing.",
    "Use my currency for every amount; show null when the lease does not state an amount.",
    "Do not present legal conclusions as certain. Use check_locally for anything that depends on local tenancy law, and keep the disclaimer to one sentence saying this is not legal advice.",
    "Order questions_for_landlord from deal-breakers to nice-to-haves.",
    "Keep each string under 45 words."
  ]
}

How to use

• Paste it into ChatGPT, Claude, Gemini, Grok or any other chat AI.
• Replace the variables in ${…}, {…} or […] with your own details first.
• Check the output before you rely on it.