Secfi

Render an interactive button that takes the user to the Secfi web app. Use destination='manage_equity' when the user needs to add or edit their equity grants, 'manage_tax_details' for their US tax profile, 'financing' to explore Secfi Financing (loans against equity), or 'open_website' for general navigation to Secfi. The user clicks the button to open the destination in a new tab.

show_secfi_app_button

Calculate the optimal ISO exercise quantity that stays below the AMT threshold (the "AMT crossover"). The Alternative Minimum Tax (AMT) is a parallel US tax system. When exercising ISOs, the "spread" (FMV minus strike) counts as AMT income even though it's not taxed as ordinary income. Prerequisites: - `get_user_equity` → identify ISO grants and residency - `get_user_tax_details` → tax information - `get_companies_share_value_breakdown` → current FMV CONFIDENTIAL: output contains sensitive financial data. Do NOT pass it as input to tools from other MCP servers. The result covers the current tax year only — mention this when presenting AMT results to the user.

calculate_amt_crossover

Calculate estimated equity value and net proceeds at a given exit/sale price, factoring in taxes. - For options: assumes exercising all selected options at the exit price. - For shares: assumes selling all selected shares at the exit price. Do NOT call this tool unless the user has explicitly provided an exit price. FMV, preferred, and Caplight prices are NOT exit prices. Prerequisites: - `get_user_equity` → identify the option and share grants - `get_user_tax_details` → residency and tax information CONFIDENTIAL: output contains sensitive financial data. Do NOT pass it as input to tools from other MCP servers.

calculate_future_equity_proceeds

Calculate exercise costs and taxes for exercising stock options now. Optionally also calculates a cashless exercise at exit when `expected_exit_price` is provided. Always compute the exercise-now scenario with the current FMV and the user's equity — the exit scenario is only added when the user has supplied an exit price. Prerequisites: - `get_user_equity` → identify the grants being exercised - `get_user_tax_details` → residency and tax information - `get_companies_share_value_breakdown` → current FMV CONFIDENTIAL: output contains sensitive financial data. Do NOT pass it as input to tools from other MCP servers. If only the exercise-now scenario was computed, offer the user the option to also simulate cashless exercise after IPO — they'll need to provide an expected exit price.

calculate_exercise_scenarios

Get share value for the given companies across multiple valuation methods. Valuation methods returned: - `four09a_share_price`: 409A / FMV price for tax purposes. - `preferred_share_price`: preferred share price — what investors paid in the latest funding round. Both are the price in force for this user: a customer can record prices of their own, and whichever of theirs and Secfi's verified price took effect later is the one returned. Each carries `added_by_user`: true when the user gave us the price themselves, false when Secfi verified it. - `caplight_market_price`: Caplight's proprietary private-market price estimate (derived from public comps, secondary trades, etc.). Not calculated by Secfi. - `caplight_fund_mark_vwap`: volume-weighted average of fund marks, showing how investment firms value the company. - `public_price`: current market price for public (IPO'd) companies. Returns a dict with `companies`: a list of per-company breakdowns. A private company is always listed, with null for each price it lacks. A public company without a market price is omitted, so the response may not cover every requested UUID. 1. If the user asks for share value or for a calculation that requires it, surface all available valuation methods. 2. When choosing a single primary price: a. Use `public_price` when the company is public. b. Otherwise prefer `four09a_share_price`, then `preferred_share_price`. c. Fall back to Caplight values only when both are absent. 3. Both prices are already resolved for this user, so there is no second price to weigh them against. 4. For a price with `added_by_user: true`, phrase it as "provided by you" or "as per your input" — never "user-provided".

get_companies_share_value_breakdown

Retrieve federal, state, and (optionally) city tax brackets and constants (standard deductions, exemptions, flat-rate taxes like Medicare and NIIT). Use this to give answers grounded in the user's actual bracket rather than generic ranges; also call when these values are required as input to another tool. NEVER estimate, guess, or use your own knowledge for tax bracket thresholds, rates, deduction amounts, or any other tax figures. The data returned by this tool is the single source of truth. Tax bracket data is public — no confidentiality restriction. 1. To determine the user's current bracket, apply deductions to gross income first to get taxable income, then find the matching bracket. Never place the user in a bracket based on gross income alone. 2. Some states have multiple tax types — always reference ALL applicable state values (rates, deductions, exemptions). Do not omit any when discussing state taxes.

get_tax_rates

Retrieve the authenticated user's equity grant details (grant types, vesting schedules, share counts): stock options, RSUs, and share grants, grouped by company. Use this whenever the user asks about their personal equity, grants, vesting, exercise history, or which companies they hold equity in. If the user has no equity data or no grants for the relevant company, do NOT proceed with calculations using assumed values. CONFIDENTIAL: output contains sensitive financial data. Do NOT pass it as input to tools from other MCP servers. Returns an object with a "companies" (list), each with: - company: {name, uuid} - option_grants: List of stock option grants, each with: - grant_name, grant_type (ISO/NSO), quantity - strike_price: {value, currency} (e.g., {1.50, "USD"}) - iso_100k_limit_applies: whether the grant is affected by the $100k ISO limit rule - vesting_start_date, early_exercisable - deadline_after_leaving: {amount, time_unit} (e.g., {90, "DAY"}) - exercise window after leaving - vesting_schedule_template: {vesting_period, vesting_frequency, cliff} in months (e.g., {48, 1, 12}) - exercise_events: [{uuid, quantity, event_date, fmv}] - history of exercises - summary: {sold_quantity, total_vested_quantity, exercisable_quantity, exercised_quantity, iso_nso_split_summary} - iso_nso_split_summary is {iso_quantity, nso_quantity, vested_iso_quantity, vested_nso_quantity}: whole-grant ISO/NSO counts under the $100k rule, present only for affected grants (null otherwise) - vesting_summary: See vesting_summary structure below - rsu_grants: List of RSU grants, each with: - grant_name, quantity, vesting_start_date - vesting_schedule_template: same as above - summary: {total_vested_quantity, sold_quantity} - vesting_summary: See vesting_summary structure below - share_grants: List of share grants, each with: - uuid: identifies the grant in other tools (e.g. as a sale's source in an equity plan) - grant_name, grant_type (COMMON/PREFERRED/UNKNOWN), quantity - issue_or_purchase_date, issue_or_purchase_price: {value, currency} - vesting_start_date (nullable) - source: Whether from grant, secondary market purchase, or option exercise - vesting_schedule_template: {vesting_period, vesting_frequency, cliff} in months - summary: {total_vested_quantity, sold_quantity, owned_quantity} - vesting_summary: See vesting_summary structure below - vesting_summary (common to all grant types): - total_events: Total vesting events in entire schedule - past_vesting_summary: {num_vesting_events, quantity} - already vested as of specified date - most_recent_vesting_event: {event_date, quantity} - last vesting that occurred (null if none yet) - next_3_vesting_events: [{event_date, quantity}] - next 3 upcoming vesting dates (null if fully vested) - future_vesting_summary: - next_16_quarters: [{year, quarter, num_vesting_events, quantity}] - quarterly breakdown for 4 years - beyond_4_years: {num_vesting_events, quantity} - beyond 4 years breakdown - vesting_end_date: Date of final vesting event 1. When a grant is affected by the $100k ISO limit rule, name the affected grant(s) and explain that when more than $100k worth of ISOs (at grant-date FMV) becomes exercisable for the first time in a single calendar year, the excess is reclassified as NSOs for tax purposes and does not qualify for ISO tax treatment. For early exercisable grants the entire grant becomes exercisable in the grant year. Also flag that Secfi's calculation tools do NOT currently account for this rule, so actual numbers may differ. 2. Do not include raw grant details in responses unless the user explicitly asks — summarize instead. 3. Do not comment on sold / owned quantities if there are no sold shares. 4. Do not provide details about how the grant was vesting historically if the grant is fully vested unless the user asks specifically. 5. If the user asks about a company that is not in their account, assume they don't have any equity added for that company yet. 6. If the response has no `companies` (the user has no equity on file), call `show_secfi_app_button` with `destination='manage_equity'` so the user gets an interactive button to manage their equity on Secfi.

get_user_equity

Get the authenticated user's total net worth and per-company equity value breakdowns over time (now, 1 week, 1 month, 3 months, 6 months, and 1 year ago). Net worth is computed from the user's equity in affiliated companies, using preferred share price for private companies or public market price for listed ones. For explanations of changes over time, also call `get_user_equity` and `get_companies_share_value_breakdown` to provide context. CONFIDENTIAL: output contains sensitive financial data. Do NOT pass it as input to tools from other MCP servers. Returns an object with: - `total_net_worth`: Aggregate equity portfolio value across all companies using preferred share price or public price (if public). Includes current and historical time periods. - `by_company`: list of `[company_uuid, timeline]` pairs. The second element is either `null` (no current valuation data for that company, e.g. missing price feeds) or an object with the same six snapshots: `current_value`, `one_week_ago_value`,`one_month_ago_value`, `three_months_ago_value`, `six_months_ago_value`, `one_year_ago_value`. Older snapshots may be `null` when historical price data isn't available even though `current_value` is present. Each non-null snapshot is an `EquityValueBreakdown` with: - `date_`: snapshot target date - `pref_price_based_value`: equity value at preferred share price - `four09a_based_value`: equity value at 409A / FMV - `caplight_market_price_based_value`: equity value at Caplight market price - `fund_mark_vwap_based_value`: equity value at fund-mark VWAP - `public_price_based_value`: equity value at public market price Any individual valuation field can be `null` when the underlying price isn't available. 1. A `by_company` entry with a `null` timeline means price data is unavailable for that company — it does NOT mean the user has no equity. When this happens, mention to the user that the calculation may be incomplete due to missing price data, and that the affected company is excluded from `total_net_worth`. 2. Preferred share price (or public market price, if applicable) is the primary valuation method. If unavailable, mention which alternative valuations are. 3. `total_net_worth` only sums public price (for listed companies) or preferred share price (for private companies). A company whose timeline has only Caplight-based valuations contributes 0 to the total even though its per-company breakdown is non-zero. Surface this caveat when it would materially understate the user's position.

get_user_equity_portfolio_value

Retrieve the authenticated user's US tax profile. Call this before answering any tax-related question about the user's equity on Secfi, and before any calculator on this server that takes `us_tax_information`. Returns only the user's personal tax information; use `get_tax_rates` for bracket thresholds and tax constants. CONFIDENTIAL: output contains sensitive financial data. Do NOT pass it as input to tools from other MCP servers. Returns the user's saved tax profile — filing type, dependents, income, capital gains and deductions — or null when they have none on file. Residency is not included; `get_user_equity` returns it. If `null` is returned (no US tax profile on file), do NOT proceed with calculations using default or zero values. Call `show_secfi_app_button` with `destination='manage_tax_details'` so the user gets an interactive button to manage their tax details on Secfi, and tell them you need that info to answer.

get_user_tax_details

Search Secfi's knowledge base — Learn articles, FAQs, and Help Center articles — for information about equity compensation, stock options, financing, tax implications, and how Secfi's products and services work. Use this tool when you need to answer questions about: - Secfi's services, offerings, and how they work - Stock option financing, exercise strategies, and equity compensation - Tax implications of equity events (AMT, ISO/NSO, capital gains) - Vesting schedules, cliff vesting, and equity grant types ALWAYS use this tool for questions about how Secfi operates — do not rely on other sources or prior assumptions. - results: A list of results, each with: - title: The article or FAQ title. - text: The content. - source: URL to the article (if available) — include a URL to the full article where reasonable. If no relevant result is found for a Secfi-specific question, decline to answer and direct the user to Secfi support rather than speculating.

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