此 MCP 可以做什么
Provides SMB finance and operations calculations, bookkeeping and legal-operations skills, productized instructions, and business workflow tools.
功能
工具
8
工具
cash_runway
Cash Runway
Compute months of cash runway and the projected out-of-cash date. FREE.
Typical input {"cash_balance": 120000, "monthly_burn": 15000,
"monthly_revenue": 5000} returns {"runway_months": 12.0,
"net_burn_monthly": 10000, "projected_out_of_cash": "YYYY-MM-DD"}; when
revenue covers burn it returns {"runway": "infinite at current numbers
(revenue covers burn)", ...}.
Use when a cash balance and a monthly burn are known. Not for per-unit
profitability (unit_economics). 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": "cash_balance must be >= 0"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['cash_balance', 'monthly_burn'], 'properties': {'cash_balance': {'type': 'number', 'minimum': 0, 'description': 'Cash on hand today; must be 0 or greater, e.g. 120000.'}, 'monthly_burn': {'type': 'number', 'description': 'Total monthly outflow in the same currency as cash_balance, e.g. 15000.'}, 'monthly_revenue': {'type': 'number', 'default': 0, 'description': 'Monthly inflow netted against burn, e.g. 5000. Default 0.'}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
get_free_skill
Get Free Skill
Load a product's free gateway skill with its complete instructions. FREE.
Typical input {"slug": "smb-ops-desk"} returns {"slug": "smb-ops-desk",
"skill": "<skill name>", "instructions": "<full skill text>"}.
Returns exactly one skill - the product's free gateway skill - chosen
automatically from the slug, with no plan required. Use when the caller
wants usable instructions immediately. Not for the product's other skills:
those are named and need get_full_skill with a skill_name, which requires
a paid plan. 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": "unknown slug '<value>'. Use list_products."}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['slug'], 'properties': {'slug': {'type': 'string', 'minLength': 1, 'description': 'Product slug exactly as returned by list_products, e.g. "smb-ops-desk"; must be non-empty.'}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
get_full_product
Get Full Product
Load one product in full: its persona plus every paid skill. PREMIUM (license).
Typical input {"slug": "smb-ops-desk"} returns {"slug": ..., "name": ...,
"persona": "<persona text>", "skills": [{"name": ..., "instructions":
...}, ...], "free_skill": {...}}.
Returns persona plus every skill for one product. Use when the caller
wants the whole product. Not for a single skill (get_full_skill) and not
for a free look, which list_products and get_free_skill provide with no
plan. 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": "unknown slug '<value>'"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['slug'], 'properties': {'slug': {'type': 'string', 'minLength': 1, 'description': 'Product slug exactly as returned by list_products, e.g. "smb-ops-desk"; must be non-empty.'}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
get_full_skill
Get Full Skill
Load one paid skill's complete instructions from a product. PREMIUM (license).
Typical input {"slug": "smb-ops-desk", "skill_name": "invoice-chaser"}
returns {"slug": ..., "skill": ..., "instructions": "<full skill text>"}.
Returns one named skill, selected by skill_name. Use when the caller wants
one specific paid skill. Not for the free gateway skill, which
get_free_skill returns with no plan, and not for every skill at once
(get_full_product). 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": "unknown slug '<value>'"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['slug', 'skill_name'], 'properties': {'slug': {'type': 'string', 'minLength': 1, 'description': 'Product slug exactly as returned by list_products, e.g. "smb-ops-desk"; must be non-empty.'}, 'skill_name': {'type': 'string', 'minLength': 1, 'description': 'Exact skill name as listed in that product\'s "skills" array from list_products, e.g. "invoice-chaser"; must be non-empty.'}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
list_products
List Products
List every product in the Business Suite line with its included skills. FREE.
Takes no arguments. Typical input {} returns a list of 30 product objects, each
{"slug": "smb-ops-desk", "name": ..., "tagline": ..., "skills":
["Skill A", ...], "free_skill": "Gateway Skill Name"}. Use the returned
slug values with get_free_skill, get_full_product, or get_full_skill.
Returns metadata only - no persona text and no skill instructions. Use
when the caller wants to see what this server covers. Not for keyword
search across the whole 138-product catalog, which the catalog server's
search_catalog does, and not for instructions the caller can act on
(get_free_skill). 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.
只读
幂等
输入模式
{'type': 'object', 'properties': {}, 'additionalProperties': False}
输出模式
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'array', 'items': {'type': 'object', 'additionalProperties': True}}}, 'x-fastmcp-wrap-result': True}
loan_payment
Loan Payment
Compute an amortized loan payment: monthly payment, total paid, total interest. FREE.
Administrative math only — not financial advice. Typical input
{"principal": 250000, "annual_rate_pct": 6.5, "years": 30} returns
{"monthly_payment": 1580.17, "months": 360, "total_paid": ...,
"total_interest": ...}.
Use for a fixed-rate amortized loan. Not for interest-free schedules - the
merchant server's installment_plan splits a total without interest. 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": "principal and years must be > 0"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['principal', 'annual_rate_pct', 'years'], 'properties': {'years': {'type': 'number', 'description': 'Loan term in years; must be greater than 0; fractions allowed, e.g. 30.', 'exclusiveMinimum': 0}, 'principal': {'type': 'number', 'description': 'Loan amount; must be greater than 0, e.g. 250000.', 'exclusiveMinimum': 0}, 'annual_rate_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Annual interest rate as a percentage, 0 to 100, e.g. 6.5 for 6.5%.'}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
target_price
Target Price
Compute the selling price needed to hit a target margin percentage. FREE.
Typical input {"unit_cost": 12, "target_margin_pct": 60} returns
{"required_price": 30.0, "unit_margin": 18.0,
"equivalent_markup_pct": 150.0}.
The inverse of unit_economics - solves for price from a target margin. Use
when the margin is the fixed requirement. Not when the price is already
set. 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": "target_margin_pct must be between 0 and 100"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['unit_cost', 'target_margin_pct'], 'properties': {'unit_cost': {'type': 'number', 'minimum': 0, 'description': 'Variable cost per unit; must be 0 or greater, e.g. 12.0.'}, 'target_margin_pct': {'type': 'number', 'description': 'Desired gross margin percentage, strictly between 0 and 100, e.g. 60 for a 60% margin.', 'exclusiveMaximum': 100, 'exclusiveMinimum': 0}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
unit_economics
Unit Economics
Calculate unit economics: margin, break-even, LTV:CAC, and a plain reading. FREE.
Typical input {"price": 49, "unit_cost": 12, "fixed_costs_monthly": 8000}
returns {"unit_margin": 37.0, "margin_pct": 75.5, "markup_pct": 308.3,
"breakeven_units_per_month": 216.2, "reading": ["..."]}. LTV fields
appear when cac is provided.
Use when price, variable cost, and fixed costs are known and margin or
break-even is the question. Not for cash position over time (cash_runway)
and not for solving backward from a target margin (target_price). 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": "price must be > 0"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
只读
幂等
输入模式
{'type': 'object', 'required': ['price', 'unit_cost'], 'properties': {'cac': {'type': 'number', 'default': 0, 'description': 'Customer acquisition cost; a value greater than 0 enables LTV and LTV:CAC. Default 0 (skipped).'}, 'price': {'type': 'number', 'description': 'Selling price per unit; must be greater than 0, e.g. 49.0.', 'exclusiveMinimum': 0}, 'unit_cost': {'type': 'number', 'description': 'Variable cost per unit, in the same currency as price, e.g. 12.0.'}, 'units_per_month': {'type': 'number', 'default': 0, 'description': 'Expected sales volume per month; a value greater than 0 enables the monthly profit projection. Default 0 (skipped).'}, 'fixed_costs_monthly': {'type': 'number', 'default': 0, 'description': 'Fixed monthly costs; a value greater than 0 enables the break-even calculation. Default 0 (skipped).'}, 'purchases_per_customer': {'type': 'number', 'default': 1, 'description': 'Average lifetime purchases per customer used for LTV. Default 1.'}}, 'additionalProperties': False}
输出模式
{'type': 'object', 'additionalProperties': True}
历史
近期工具变更
已添加
target_price
2026年9月17日 12:36
已添加
cash_runway
2026年9月17日 12:36
已添加
loan_payment
2026年9月17日 12:36
已添加
get_full_skill
2026年9月17日 12:36
已添加
get_full_product
2026年9月17日 12:36
已添加
unit_economics
2026年9月17日 12:36
已添加
get_free_skill
2026年9月17日 12:36
已添加
list_products
2026年9月17日 12:36
发现
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