com.moltlinestudio/taxlots

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Au dernier audit MCP Hub, le serveur MCP « com.moltlinestudio/taxlots » est classé « Non encore testé ». Référencé dans l'annuaire. Seul le pentest comportemental fait foi, et il n'a pas encore été exécuté sur ce serveur. Le verdict est réévalué en continu ; consultez la fiche pour l'état à jour.

Méthode : MCP Hub analyse la description de chaque outil (couche 1) et, pour le verdict fort, exécute le serveur dans une micro-VM isolée avec leurres et réseau bloqué (couche 2). On publie des noms et des compteurs, jamais le contenu brut renvoyé par un outil.

Les 8 outils

• build_lots≈ 726 tokens

  Build the lot inventory per account and every disposal with basis, gain and holding period. PREMIUM (license). Methods: fifo (the default rule when no specific identification is made, Treas. Reg. 1.1012-1(j)), lifo, hifo, or specific_id via a row's specific_lots {lot_id: qty}. Typical input {"ledger": <rows>, "method": "hifo", "transfers": <pairs from match_transfers>} returns {"disposals": [{"row": "cb9", "asset": "BTC", "qty": "0.5", "proceeds": "31000.00", "basis": "20000.00", "gain": "11000.00", "term": "long", ...}], "open_lots": [...], "summary": {"short_term": {...}, "long_term": {...}}}. Fees: a cash purchase's fee joins basis; a sale's or exchange's fee reduces the amount realized (1.1001-7); a network fee paid in the transferred asset is a disposal of those units (transfer_fee_policy dispose) unless you choose ignore. Transfers between your own accounts move lots with their basis and acquisition date. Use once ledger_lint reports no errors. Not tax advice: it applies the stated rules to your rows and shows its work. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "method must be fifo, lifo, hifo or specific_id"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (6)

  Paramètres

  • ledger · array · requis
    canonical rows.
  • method · string · optionnel
    fifo, lifo, hifo or specific_id (rows without specific_lots fall back to fifo).
  • tax_year · integer · optionnel
    when set, only disposals in that calendar year are returned (the inventory still runs from the start).
  • transfers · array · optionnel
    pairs from match_transfers ({"out": id, "in": id, ...}); empty to auto-match with the defaults.
  • on_missing_lots · string · optionnel
    error (default), or zero_basis for lenient mode - disposals beyond the lots held get zero basis and unmatched transfer_out rows simply leave the inventory, each flagged.
  • transfer_fee_policy · string · optionnel
    dispose (default) or ignore for network fees paid in the transferred asset.

  Exemple d'appel

  {"name": "build_lots", "arguments": {"ledger": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• form_8949_rows≈ 539 tokens

  Lay the disposals out as Form 8949 rows with box categories and totals. PREMIUM (license). Typical input {"disposals": <from build_lots>, "tax_year": 2026, "default_reporting": "proceeds_only"} returns {"part_i": {"B": [rows]}, "part_ii": {"E": [rows]}, "totals": {...}}. Columns follow the form: description (a), date acquired (b), date sold (c), proceeds (d), cost or other basis (e), code (f), adjustment (g), gain or loss (h). Box: A/D when the broker reported proceeds and basis, B/E when proceeds only, C/F when no broker form - set per row in reporting {row_id: value} or for all rows with default_reporting. Use to draft the schedule from computed disposals. Not a filing: check the current form instructions. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "disposals must be a non-empty list from build_lots"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (5)

  Paramètres

  • tax_year · integer · requis
    the calendar year of the disposals to include.
  • disposals · array · requis
    rows from build_lots.
  • reporting · object · optionnel
    per-row override: proceeds_and_basis, proceeds_only or none.
  • whole_dollars · boolean · optionnel
    round each row to whole dollars as the form permits.
  • default_reporting · string · optionnel
    proceeds_and_basis, proceeds_only or none (default).

  Exemple d'appel

  {"name": "form_8949_rows", "arguments": {"tax_year": 1, "disposals": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• ledger_lint≈ 349 tokens

  Find the problems that break a lot build: missing values, duplicates, negative balances. FREE. Typical input {"ledger": <rows from parse_transactions>} returns {"issues": [{"severity": "error", "row": "cb12", "issue": "sell of 0.5 BTC exceeds balance 0.2 in account coinbase"}], "balances": {"coinbase": {"BTC": "0.2"}}, "counts": {...}}. Balances are running quantities per account and asset in time order, ignoring transfers' fiat values. Use after parse_transactions and before build_lots. Not a tax check: it checks the ledger's arithmetic consistency only. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (1)

  Paramètres

  • ledger · array · requis
    canonical rows (ts, type, asset, qty, fiat_value, fees, account...).

  Exemple d'appel

  {"name": "ledger_lint", "arguments": {"ledger": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• lp_position_math≈ 490 tokens

  Impermanent loss, hold-vs-pool value and basis split for a two-asset constant-product pool. FREE. Typical input {"deposit": {"asset_a": "ETH", "qty_a": "1", "price_a": "2000", "asset_b": "USDC", "qty_b": "2000", "price_b": "1"}, "current_prices": {"ETH": "3000", "USDC": "1"}} returns {"il_pct": "-2.02", "hold_value": "5000.00", "pool_value": "4898.98", "deposit_value": "4000.00", "basis_split": {...}}. The pool value assumes x*y=k with no fees; add fees_earned_fiat to see the net. The basis split is the deposit's fiat value at deposit, allocated by each side's share, which is the arithmetic a lot engine needs if the LP position is treated as one asset. Use for DeFi position reviews. Not a determination of whether the deposit is a taxable exchange. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "deposit and current_prices must be objects"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (3)

  Paramètres

  • deposit · object · requis
    asset_a, qty_a, price_a, asset_b, qty_b, price_b at the time of deposit.
  • current_prices · object · requis
    {asset: price} for both assets now.
  • fees_earned_fiat · number · optionnel
    fees accrued to the position, in fiat.

  Exemple d'appel

  {"name": "lp_position_math", "arguments": {"deposit": {}, "current_prices": {}}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• match_transfers≈ 468 tokens

  Pair withdrawals with the deposits that received them between your own accounts. FREE. Typical input {"ledger": <rows>, "window_minutes": 1440} returns {"pairs": [{"out": "kr91", "in": "cb14", "asset": "BTC", "from": "kraken", "to": "coinbase", "network_fee": "0.0001", "minutes": 42.0}], "unmatched": {"transfer_out": [...], "transfer_in": [...]}}. A pair needs the same asset, a different account, the deposit inside the window after the withdrawal, and a quantity within tolerance_pct of the amount sent net of the fee. Use before build_lots so basis and holding period move with the coins instead of being treated as a sale. Not for transfers to third parties: those stay unmatched and should be typed gift_out or sell. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (3)

  Paramètres

  • ledger · array · requis
    canonical rows.
  • tolerance_pct · number · optionnel
    allowed quantity difference in percent after the fee (default 1).
  • window_minutes · integer · optionnel
    how long after the withdrawal the deposit may land (default one day).

  Exemple d'appel

  {"name": "match_transfers", "arguments": {"ledger": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• parse_transactions≈ 501 tokens

  Normalise an exchange CSV export into the canonical ledger rows. FREE. Supports the Coinbase transaction-history export (Transaction Type / Asset / Quantity Transacted columns), the Kraken ledgers export (txid / refid / type / asset / amount / fee) and a generic CSV with the canonical columns ts, type, asset, qty, fiat_value, fee_qty, fee_asset, fee_fiat, counter_asset, counter_qty, account, id. Typical input {"csv_text": "...", "source_hint": "coinbase"} returns {"rows": [...], "detected": "coinbase", "unrecognised": [...], "warnings": [...]}. Rows it cannot read are returned under unrecognised with the reason, never dropped silently. In every row qty is the whole amount that entered or left the account; when a fee was paid in the same asset, fee_qty is the part of qty that was the fee. Use before ledger_lint and build_lots. Not for other exchanges: convert those to the generic columns first. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "csv_text must be the CSV file contents"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (3)

  Paramètres

  • account · string · optionnel
    account label to stamp on every row (defaults to the source name).
  • csv_text · string · requis
    the CSV file contents (up to 2 MB).
  • source_hint · string · optionnel
    coinbase, kraken or generic; empty to detect from the header.

  Exemple d'appel

  {"name": "parse_transactions", "arguments": {"csv_text": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• reconcile_1099da≈ 554 tokens

  Diff the broker's 1099-DA lines against the computed disposals. PREMIUM (license). Typical input {"disposals": <from build_lots>, "form_rows": [{"asset": "BTC", "date_sold": "2026-03-04", "qty": "0.5", "proceeds": "31000", "basis": "", "account": "coinbase"}]} returns {"matched": [...], "broker_missing_basis": [...], "basis_mismatch": [...], "proceeds_mismatch": [...], "unmatched_form_rows": [...], "unmatched_disposals": [...]}. A line matches a disposal on the same account (when given), asset and sale date with quantity and proceeds inside the tolerances; several lots sold in one order are summed first. Use when the form arrives and the basis column is blank for coins that came from your own wallet. Not a substitute for the broker's statement. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "disposals must be a non-empty list from build_lots"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (4)

  Paramètres

  • disposals · array · requis
    rows from build_lots.
  • form_rows · array · requis
    1099-DA lines: asset, date_sold, qty, proceeds, basis (may be blank), account (optional), id (optional).
  • money_tolerance · number · optionnel
    allowed proceeds/basis difference in fiat units (default 1.00).
  • qty_tolerance_pct · number · optionnel
    allowed quantity difference in percent (default 0.5).

  Exemple d'appel

  {"name": "reconcile_1099da", "arguments": {"disposals": [], "form_rows": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• wash_window_check≈ 490 tokens

  Flag loss disposals with a repurchase of the same asset inside the window. FREE. Typical input {"disposals": <from build_lots>, "acquisitions": [{"asset": "ETH", "ts": "2026-02-10T10:00:00Z", "qty": "2"}]} returns {"flags": [{"row": "cb7", "asset": "ETH", "loss": "-410.00", "repurchases": [...]}], "rule_status": "..."}. The 30-day window before and after the sale is the one IRC 1091 uses for stock or securities; as checked on the verification date that statute had not been extended to digital assets that are not securities, so the output is a heads-up for planning, not an adjustment. Use when reviewing loss harvesting. Not a determination that any rule applies. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "disposals and acquisitions must be lists"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.

  Paramètres, retour & exemple (3)

  Paramètres

  • disposals · array · requis
    rows from build_lots (uses asset, disposed_at, gain, row).
  • window_days · integer · optionnel
    days before and after the loss disposal to scan (default 30).
  • acquisitions · array · requis
    purchases/income rows with asset, ts, qty (ledger rows work as-is).

  Exemple d'appel

  {"name": "wash_window_check", "arguments": {"disposals": [], "acquisitions": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

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Source

https://mcp.moltlinestudio.com/taxlots