FactLot

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검사 5/5 통과 · 내가 묻는 내용은 제작자 서버(api.factlot.com)를 거쳐요 · ✓ 명령 확인 2026년 11월 13일

claude mcp add --transport http --scope user factlot https://api.factlot.com/mcp

{
  "mcpServers": {
    "factlot": {
      "url": "https://api.factlot.com/mcp"
    }
  }
}

{
  "servers": {
    "factlot": {
      "type": "http",
      "url": "https://api.factlot.com/mcp"
    }
  }
}

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이 서버의 연결 방식과 각 앱의 공식 문서를 바탕으로 했어요. 2026년 11월 10일 확인.

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할 수 있는 일

도구 이름과 설명은 서버가 2026년 11월 13일에 알려 준 그대로예요. 우리가 아니라 제작자가 쓴 글이고, 일반 텍스트로만 보여 드려요.

• calc_rent_schedule

  Build a base-rent schedule from commencement date, term, area, starting $/SF/yr, escalations (percent or fixed $/SF), and abated months. Lease months run from the commencement day-of-month with no calendar proration (warns when commencement is mid-month). Returns rent steps, tota

• calc_net_effective_rent

  Compute effective rent, straight-line net effective rent, and discounted net effective rent ($/SF/yr) after free rent, TI allowance, leasing commissions, and other landlord concessions. Rent is monthly in advance from the commencement day (no calendar proration), discounted at an

• calc_compare_proposals

  Rank 2–20 lease proposals with different terms, sizes, free rent, TI, concessions, and operating-expense structures (gross, NNN, base year, expense stop, with opex growth) on one discounted $/SF/yr basis, per rentable or usable SF (load factor): effective occupancy cost (tenant p

• calc_multifamily_rent_roll

  Analyze an apartment rent roll (up to 5,000 units with status occupied, notice, vacant, model, or down; market and lease rent per month; lease dates; concessions as weeks free, months free, or dollars): gross potential rent, vacancy, non-revenue units, loss to lease, concessions

• calc_percentage_rent

  Percentage (overage) rent for a lease year: net sales after exclusions over a natural or fixed breakpoint, prorated for partial years, less amounts already paid. Deterministic: use this instead of doing the math yourself; cite formula calc.percentage_rent@1 and the returned steps

• calc_cam_reconciliation

  Reconcile a tenant's annual CAM charge: exclusions, occupancy gross-up of variable expenses, pro rata share, controllable-expense caps (compounding_from_base, simple_from_base, year_over_year), an admin fee (before or after the cap, inside or outside it, with per-line exclusions)

• calc_cam_reconciliation_batch

  Reconcile CAM for a whole building in one call: the expense pool and gross-up once, then up to 500 tenants each with share, base year or expense stop, cap, admin fee, occupancy, estimates paid, and lease-specific excluded categories. Returns each tenant's statement (identical to

• calc_capex_recovery

  Recoverable capital expenditure under a lease clause: amortize a capital cost over its useful life or the lease-specified period, straight-line (declining interest) or level payment, with interest on the unamortized balance or none; optionally cap each year's recovery at demonstr

• calc_debt_sizing

  Size the maximum loan under any combination of max LTV, min DSCR, and min debt yield for a given NOI, rate, and amortization. Reports the binding constraint, debt service, and resulting metrics; optionally a stress table over NOI, rate, and value shocks (max loan, binding constra

• calc_lease_remeasurement_asc842

  Remeasure a lessee's lease liability and right-of-use asset under ASC 842 after a modification, lease-term reassessment, contingency resolution, or residual value guarantee change: new liability (PV of remaining payments), liability and ROU adjustments with any gain (ASC 842-20-3

• calc_prepayment_and_defeasance

  Prepayment premium, total payoff, and cost as a share of balance for a fixed-rate amortizing or interest-only loan under yield maintenance (PV of remaining payments or rate differential, with a minimum and an explicit discounting convention), a step-down schedule, a flat percenta

• calc_walt

  Weighted average remaining lease term in years as of a date (actual days ÷ 365.25), weighted by each lease's area_sf (weight_by "area") or annual_rent (weight_by "rent"). Deterministic: use this instead of doing the math yourself; cite formula calc.walt@1 and the returned steps,

• calc_npv

  NPV of periodic cash flows (t = 0, 1, 2, ...; the t = 0 flow is not discounted) at a per-period discount rate given as a decimal. Deterministic: use this instead of doing the math yourself; cite formula calc.npv@1 and the returned steps, and surface any warnings.

• calc_irr

  Periodic and annualized IRR of periodic cash flows, as decimals (0.085 = 8.5%), solved deterministically by scanning a 1-point grid of per-period rates and bisecting each sign change; reports every root it finds when cash flows have multiple IRRs (two roots within one grid step c

• calc_lease_vs_own

  Compare leasing with buying over a fixed horizon: NPV of each case's annual cash costs (rent, free rent, tenant expenses, and move-in costs versus equity, debt service, owner expenses, reserves, and a sale at the horizon by stated value or exit cap rate), optionally after tax, wi

• calc_renew_vs_relocate

  Compare renewing in place with moving over one horizon: NPV and discounted effective rent of each case (rent schedule with free rent, TI net of allowance, fees, moving, downtime, double rent, termination, and disruption costs), the starting rent at which they break even, and year

• calc_hotel_metrics

  Occupancy, ADR, RevPAR, TRevPAR, and a USALI-style profit ladder for a period: departmental profit, GOP and margin, GOPPAR, management fees, EBITDA, FF&E reserve, and NOI (EBITDA less replacement reserve). Deterministic: use this instead of doing the math yourself; cite formula c

• calc_dcf_pro_forma

  Property-level discounted cash flow from an in-place rent roll: each lease's rent, escalations, remaining term, and expense recovery (NNN, gross, base year), then at expiration one blended lease weighted by the renewal probability (renewal vs new-tenant rent, free rent, TI, leasi

• calc_direct_cap

  Value by direct capitalization: (NOI − capital reserve) ÷ cap rate, then below-the-line deductions for lease-up costs, free-rent burn-off, and other adjustments to an as-is value (optionally rounded); and the cap rate a price implies, before and after reserves and all-in after th

• calc_amortization_schedule

  Period-by-period schedule of a fixed-rate loan, monthly or quarterly: an optional interest-only period, then level payments on an amortization term that can run past maturity (balloon), with 30/360, actual/360, or actual/365 interest (the payment on a 30/360 basis). Rows are in c

• calc_equity_waterfall

  Split periodic project equity cash flows between LP and GP: preferred return (compounding or simple) and return of capital pro rata to capital in either order, an optional GP catch-up, IRR-hurdle tiers with promote splits measured on the LP's IRR, and a residual split. Returns pe

• calc_exchange_1031

  Not tax advice: arithmetic only. The 45-day identification and 180-day exchange deadlines of IRC §1031(a)(3) (the exchange period ends earlier at a given tax-return due date), the three-property, 200%, and 95% identification tests of Treas. Reg. §1.1031(k)-1(c)(4), and the cash b

• calc_critical_dates

  Dated list of a lease's notice deadlines and option windows, from its expiration date and options: each renewal option's notice deadline or notice window and renewal term (successive options count back from the term before), each termination option's last day to give notice, an e

• calc_reconcile_dcf

  Reconcile FactLot's DCF with another system's export (ARGUS or any other model; parity is not claimed and is untested against real ARGUS output): give the calc_dcf_pro_forma input plus the other system's annual lines {label, values: [year 1, …]}, optionally its value, unlevered I

• calc_reconcile_cam

  Reconcile FactLot's CAM reconciliation for one expense pool with another system's per-tenant results (Yardi or any other; parity is not claimed and is untested against a real export): give the calc_cam_reconciliation_batch input plus, per tenant, what the other system reported (s

• calc_tx_unequal_appraisal

  Evidence calculation only: not an appraisal or an opinion of value, not legal or tax advice, and not a substitute for the advice of an attorney. The arithmetic of Tex. Tax Code §41.43(b)(3) and §42.26(a)(3), the subject's value against the median appraised value of a reasonable n

• rules_tx_property_tax_protest_deadline

  Deadline to file a Texas property tax protest with the appraisal review board: the later of May 15 or 30 days after the notice of appraised value was delivered, rolled past weekends and Texas legal holidays, plus a conservative file-by date. Returns the statute citations and the

• id_parcel

  Deterministic FactLot ID for a parcel from state FIPS, county FIPS, and the assessor's parcel number (APN). The same parcel always yields the same ID, offline. Use it as the join key across systems. APNs that differ only in where a separator falls ("12-34", "1-234") get different

• id_entity

  Deterministic FactLot ID for a legal entity (LLC, LP, corporation, trust) from its registry jurisdiction and file number, or from its LEI (an LEI whose ISO 17442 check digits do not match is rejected).

• id_space

  FactLot ID for a suite or unit within a building, given the building's FactLot URN (from id_building). Suite designators are normalized: "Suite 100", "Ste 100" and "#100" agree, while "1-20" and "120" stay distinct.

• id_building

  Deterministic FactLot ID for a building from its street address: county FIPS, ZIP code, and street line. Every condominium unit, suite, and floor at the address gets the same building ID, offline. Pass it to id_space for a suite, or to registry_get to see the building's parcels.

• id_document

  Content-addressed FactLot ID (SHA-256) for a document such as a lease, amendment, or estoppel.

• id_parse

  Validate a FactLot URN and return its kind, components, and short ID.

• fact_validate

  Check one FactLot fact against the published fact schema (spec/schemas/fact.json): subject URN, dotted predicate, as_of date, provenance, optional rights; unknown fields are rejected at every level. Rules: every fact except a computed one cites at least one source (an inferred fa

• doc_verify_facts

  Check values YOU extracted from a document against its text, deterministically; FactLot runs no model. Send the pages as text and one candidate per value: {predicate, value, quote, page}. Each candidate is checked in order: (1) the value's shape (Ingest predicates such as lease.e

• doc_abstract_lease

  Current-state lease abstract from a lease and its amendments, with amendment precedence, as of as_of. Give each document's pages with the candidates you extracted (checked exactly as doc_verify_facts checks them), or the facts doc_verify_facts already returned for it (without pag

• doc_compare

  Compare values another document asserts (an estoppel, rent roll or offering memo, mapped by you to predicates) with verified lease facts from doc_abstract_lease or doc_verify_facts. Each asserted value comes back match, mismatch (with the differing fields), not_in_lease, or ambig

• doc_verify_claim

  Check one claim against a document page: {predicate, value} (anything doc_verify_facts accepts) or a short claim sentence ({text} or a bare string), plus the verbatim quote and page it rests on. Returns supported (the quote is on the page and every checked number, date and name i

• doc_spread_statement

  Spread a T-12, operating statement, budget or rent roll summary YOU read, onto FactLot's published chart of accounts (multifamily, commercial, or hotel after the USALI summary), deterministically; FactLot runs no model. Send the pages as text and one line per item: {label, amount

• doc_check_use_conflict

  Check a proposed use (a description, plus an optional use category or 2022 NAICS code) against a center's verified lease.exclusive_use and lease.prohibited_uses facts (from doc_verify_facts or doc_abstract_lease; each must pass fact_validate). Deterministic and textual: a restric

• doc_predicates

  Look up the lease predicates doc_verify_facts and doc_abstract_lease know (lease.expiration_date, lease.base_rent_schedule, lease.go_dark, ...) before extracting: for each, its value shape as JSON Schema, one valid example with a quote that states it (and whether that example ver

• fact_package_create

  Bundle FactLot facts (each must pass fact_validate) into a fact package a counterparty can verify: canonical JSON (RFC 8785) of every fact, an RFC 6962 Merkle tree over the facts, the source documents the facts cite with their sha256 where known, and a digest over all of it. Retu

• fact_package_verify

  Verify a fact package from fact_package_create: recompute every fact's hash, the Merkle root and the digest from the content (any changed fact, title, date or document list shows as a mismatch); check each fact against fact_validate; check the Ed25519 signature, against the publi

• lease_comp_validate

  Check a lease comparable one firm shares with others, as a FactLot fact with predicate lease.comp, and derive its net effective rent. The fact goes through fact_validate (schema, citations, rights), then the comp's own rules: shape (spec/schemas/fact.json LeaseComp: area, commenc

• lease_comp_search

  Search the 6,994 lease comps from the U.S. General Services Administration's Lease Inventory (October 2026 file, FactLot release lease-comps-gsa-2026-11-04), bundled with FactLot: works offline and on the hosted API, no registry needed. READ THE CAVEAT: the tenant in every one of

• registry_get

  Everything the FactLot Registry knows about a parcel, legal entity, or building: status, current cited facts (owner of record, situs address, property category, areas, values), ownership links, external IDs, and for a parcel the building it belongs to (condominium units roll up i

• registry_resolve_parcel

  Find a parcel's FactLot URN from state FIPS, county FIPS, and APN, if the registry holds it. A miss returns urn null with coverage: whether that county is loaded in this registry. Requires a FactLot Registry (public-record facts about commercial property, each cited to the source

• registry_resolve_external

  Find the FactLot URN for an ID from another system, e.g. system "tx-harris-cad-account" or "us-tx-taxpayer". Requires a FactLot Registry (public-record facts about commercial property, each cited to the source file and record).

• registry_search_address

  Find commercial parcels by situs address. Matches whole words of the street line (the part before the first comma), normalized: 'Street' = 'St', 'Northwest' = 'N.W.' = 'NW'; a suite, unit, '#' or floor is ignored. Give a house number ('1200 Main', '1200 Main St NW') or a street n

• registry_search_entities

  Find registered business entities (LLCs, LPs, corporations) by name. Natural persons are not searchable. Requires a FactLot Registry (public-record facts about commercial property, each cited to the source file and record).

• registry_owned_by

  Commercial parcels currently linked to a legal entity as owner of record (inferred links carry a confidence), each with the building it belongs to, plus a per-building summary so condominium units count once per building. Requires a FactLot Registry (public-record facts about com

• registry_coverage

  The counties (with parcel and building counts), entity registries, and crosswalk systems this FactLot Registry file holds, each with its sources and as-of dates. Call it before concluding that a parcel or entity does not exist: a miss outside these regions means not loaded, not a

• registry_tx_equity_candidates

  Candidate comparable parcels for a Texas unequal-appraisal comparison (Tax Code §41.43(b)(3)), from one tax year of the subject's appraisal district roll (the newest year whose roll gives the subject a value, or tax_year), with every field of the subject and the candidates read f

• search

  Search FactLot's knowledge base (tools, inputs, CRE predicates, ID and fact specifications). Returns matching document ids, titles, and URLs; call fetch for full text. A query on a subject the knowledge base does not cover returns no results and a note.

• fetch

  Fetch the full text of a FactLot knowledge document by the id returned from search. With a registry loaded, a registry fact's source document_id (fl:document:sha256-…) returns that source snapshot: publisher, dataset, URL, retrieval date, as-of date, licence, AI-use and redistrib

• schema_get

  Return the FactLot data model (Fact, Provenance, SourceRef, Rights, Relationship) as JSON Schema.

기본 점검i

누구나 볼 수 있는 정보를 점검했고, 코드는 읽지 않았어요. 해당하지 않는 항목은 개수에서 뺐어요. · 2026년 11월 15일 점검

• ✓ 통과

  제작자와 저장소 일치

  레지스트리 이름이 GitHub 계정 9mp96ygnbk-alt 기준으로 확인되었고, 이 계정이 저장소를 소유하고 있어요

• ✓ 통과

  계속 관리되고 있음

  코드 마지막 변경: 어제

• ✓ 통과

  라이선스 있음

  Apache-2.0 사용

• ✓ 통과

  엔드포인트 응답

  1321ms 만에 응답(HTTP 200)

• – 해당 없음

  OAuth로 로그인

  로그인 필요 없음

• ✓ 통과

  도구 설명에 숨겨진 지시 없음

  도구 설명 56개를 읽었고, AI에게 보내는 숨겨진 지시는 없었어요

우리가 확인하는 것 → · JSON

사용자 리뷰

아직 리뷰가 없어요

로그인하고 리뷰 쓰기

기타 카테고리의 다른 서버와 비교i

• 이 카테고리의 다른 서버 19890개 중 86%보다 스타가 많아요
• 이 카테고리의 다른 서버 19890개 중 85%보다 최근에 레지스트리에 공개됐어요
• 기본 점검 결과가 이 카테고리의 다른 서버 19890개 중 100%와 같거나 더 좋아요

레지스트리에서 이 카테고리의 활성 서버 전체와 비교했어요. 스타는 게시자가 저장소를 소유한 경우에만 세요.

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카드 보는 법:↓ 주간 다운로드i★ GitHub 스타i세 기둥: 리뷰 · 점검 · 사용 정도i업데이트 = 최신 버전을 레지스트리에 공개한 날i

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제작자의 README

curl -s https://api.factlot.com/v1/calc/debt_sizing -H 'content-type: application/json' \

curl -fLO https://github.com/9mp96ygnbk-alt/factlot/releases/download/registry-sample-dc-2026-11-07/factlot-registry-sample-dc-2026-11-07.db.gz && gunzip factlot-registry-sample-dc-2026-11-07.db.gz