此 MCP 可以做什么
Looks up sourced greenhouse-gas emission factors and calculates emissions for activities, electricity, travel, freight, materials, spending, and financed portfolios with audit trails.
功能
工具
12
工具
calculate_activity
Turn activity data into greenhouse-gas emissions: emissions = activity × factor. Give an amount + unit and a factor key; the unit engine converts to the factor basis (MWh→kWh, tonne→kg, gallon→litre, mile→km) and returns the emissions with the working, the GHG Protocol scope, and the source. Use search_factors / lookup_factor to find the factor key.
输入模式
{'type': 'object', 'required': ['activity', 'factor_key'], 'properties': {'activity': {'type': 'object', 'description': '{ "value": <number>, "unit": "<unit e.g. kWh, MWh, litres, tonne, km>" }.'}, 'factor_key': {'type': 'string', 'description': 'Canonical emission-factor key.'}}}
calculate_business_travel
Business travel emissions (Scope 3 Cat 6), distance method: emissions = km × passengers × factor. Air factors come in with_rf / without_rf (radiative forcing) variants. Find factors via search_factors (section "business_travel").
输入模式
{'type': 'object', 'required': ['distance', 'factor_key'], 'properties': {'distance': {'type': 'object', 'description': '{ "value": <number>, "unit": "km|mi" }.'}, 'factor_key': {'type': 'string', 'description': 'Per-passenger-km travel factor key.'}, 'passengers': {'type': 'number', 'description': 'Optional, defaults to 1.'}}}
calculate_electricity
GHG Protocol Scope 2 for purchased electricity, both methods. Always returns location-based (grid-average) emissions; also returns market-based when you supply a contractual supplier_factor (e.g. a green tariff / REC = 0) or a market_factor_key (residual mix). Find grid keys via search_factors (section "grid").
输入模式
{'type': 'object', 'required': ['consumption', 'location_factor_key'], 'properties': {'consumption': {'type': 'object', 'description': '{ "value": <number>, "unit": "kWh|MWh|GWh" }.'}, 'supplier_factor': {'type': 'object', 'description': 'Optional contractual factor { value, unit } (wins over market_factor_key).'}, 'market_factor_key': {'type': 'string', 'description': 'Optional: residual-mix / supplier grid factor key.'}, 'location_factor_key': {'type': 'string', 'description': 'Grid-average factor key, e.g. grid.gbr.electricity.location_based.'}}}
calculate_embodied
Whole-life embodied carbon for materials, per EN 15978. Give a material key + quantity (+ optional boundary A1-A3 / A1-A4 / A1-A5 / A1-C); it assembles the declared lifecycle modules (A1-A3, B, C1-C4, D) into stages, totals the boundary, reports module D separately, and flags any missing stage as not-assessed (never zero). Find material keys via search_factors (section "materials").
输入模式
{'type': 'object', 'required': ['materials'], 'properties': {'materials': {'type': 'array', 'items': {'type': 'object'}, 'description': 'Each: { material_key, quantity:{value,unit e.g. m3/kg/tonne/m2}, boundary? }.'}}}
calculate_freight
Freight & logistics emissions (Scope 3 Cat 4 & 9), GLEC framework. THE FACTOR'S DENOMINATOR PICKS THE METHOD — check the factor's unit before choosing the input. Per tonne-km: emissions = tonnes × km × factor, send "mass". Per TEU-km (the sea-container family, e.g. freight_detailed.sea.container.trans_suez.dry): emissions = TEU × km × factor, send "teu" — a TEU is a twenty-foot container slot, not a mass, and a forty-foot box is 2 TEU. Sending mass against a per-TEU-km factor is refused (422), not converted. Find mode factors via search_factors (section "freight" or "freight_detailed"), e.g. freight.road_hgv.tonne_km.
输入模式
{'type': 'object', 'required': ['distance', 'factor_key'], 'properties': {'teu': {'type': 'object', 'description': '{ "value": <number> } — container slots. Required for a per-TEU-km factor; omit for a per-tonne-km one.'}, 'mass': {'type': 'object', 'description': '{ "value": <number>, "unit": "tonne|kg|lb" }. Required for a per-tonne-km factor; omit for a per-TEU-km one.'}, 'distance': {'type': 'object', 'description': '{ "value": <number>, "unit": "km|mi|nmi" }.'}, 'factor_key': {'type': 'string', 'description': 'Freight factor key. Its unit says whether to send mass (per tonne-km) or teu (per TEU-km).'}}}
calculate_pcaf
Compute PCAF Part A financed emissions for a portfolio. Returns each holding's attribution factor and financed emissions, the portfolio total, the outstanding-weighted data-quality score, and the audit trail (formula + PCAF source).
输入模式
{'type': 'object', 'required': ['holdings'], 'properties': {'holdings': {'type': 'array', 'items': {'type': 'object'}, 'description': 'Each: { outstanding_amount, denominator:{type:"evic"|"equity_plus_debt", value}, company_emissions:{value,unit?} OR estimate_from_spend:{amount_usd, sector_key}, data_quality_score? }.'}, 'asset_class': {'type': 'string'}}}
calculate_spend
Spend-based (EEIO) Scope 3 screening: emissions = spend × economic-intensity factor. Spend must be in the factor's own currency/year (no FX). Find sector factors via search_factors (section "spend_based"), e.g. spend_based.us.naics6.541511.custom_computer_programming_services.
输入模式
{'type': 'object', 'required': ['spend', 'factor_key'], 'properties': {'spend': {'type': 'object', 'description': '{ "value": <number>, "currency": "USD|GBP|EUR|SGD" }.'}, 'factor_key': {'type': 'string', 'description': 'Spend-based (EEIO) sector factor key.'}}}
explain_absence
Ask why a factor is NOT in the corpus. The reasoned counterpart to coverage: where a country reports zero rows for an inventory family, this says whether that is the world's limit or our backlog. Five classifications: "structural" (no publisher issues this anywhere — stop looking, and do not silently substitute another country), "not_yet_sourced" (a publisher exists and is named; it is our backlog), "refused" (we found it and declined — the reason is stated), "held_not_counted" (we DO hold it — see we_hold for the key), "coupled" (empty only because another family is empty). Each record names the publisher checked, the route tried, a confidence and a review date, and reports stale:true once past review. These are authored judgements about what the world publishes, not values derived from our data. Call this before concluding that a gap is permanent, and before telling a user to look elsewhere.
输入模式
{'type': 'object', 'properties': {'family': {'type': 'string', 'description': 'Inventory family, e.g. "water", "wtt", "travel", "spend", "heat".'}, 'country': {'type': 'string', 'description': 'ISO-3166 alpha-3 code, e.g. "can".'}, 'classification': {'type': 'string', 'description': 'Filter: structural | not_yet_sourced | refused | held_not_counted | coupled.'}}}
lookup_factor
Look up a single greenhouse-gas emission factor by its canonical key. Returns the value plus an audit envelope: provenance (publisher, exact source reference, retrieval date, LICENCE and whether it may be redistributed, with the attribution the licence requires) and verification (whether the per-gas components sum to the headline, the GWP set, and the source note stating what the publisher did NOT provide). If the key does not exist you get candidate keys back rather than a dead end. Use search_factors first if you do not know the key.
输入模式
{'type': 'object', 'required': ['key'], 'properties': {'key': {'type': 'string', 'description': 'Canonical factor key, e.g. "grid.gbr.electricity.location_based".'}}}
lookup_factors
Look up SEVERAL emission factors by key in one call, each with the same audit envelope lookup_factor returns — provenance (publisher, exact source reference, retrieval date, licence, redistribution) and verification. Use this instead of calling lookup_factor in a loop: a portfolio or a multi-country comparison is one call, not one per factor. Keys that do not exist come back in `not_found` rather than failing the batch.
输入模式
{'type': 'object', 'required': ['keys'], 'properties': {'keys': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Canonical factor keys, e.g. ["grid.gbr.electricity.location_based", "grid.fra.electricity.location_based"]. Maximum 25 per call.'}}}
resolve_factor
Find the best emission-factor key(s) for a plain-language description — the hardest step is picking the right key out of ~16,000. Returns ranked matches, each carrying the key, value, unit and a confidence score; feed the chosen key to a calculate_* tool or lookup_factor. Prefer this over guessing a key. PUT THE COUNTRY IN THE DESCRIPTION. Geography is read from the description text itself, not from a separate field — "diesel per litre" and "diesel per litre France" resolve differently, and omitting the country will quietly return a factor from somewhere else marked "geo_match":"proxy". ACT ON THE LABEL. Every candidate carries label: "accept" or "review", plus "why". "accept" means confidence >= 0.85 and no demotion applied — right about nine times in ten. "review" means the answer may be usable but something is off (low confidence, only one term matched, a proxy country, or a gate demoted it); confirm it before adopting the number rather than using it silently. Roughly half of CORRECT answers are also flagged "review" — that is the intended trade, so treat "review" as "check this", not "discard this". A MISS MAY EXPLAIN ITSELF. When nothing matches, or the only matches are from the wrong country, the response may carry an "absence" object saying WHY. classification "structural" means no publisher issues this anywhere — STOP, do not retry with reworded queries and do not substitute a different country without saying so. "not_yet_sourced" means a publisher exists and we have not ingested it (the publisher is named). "refused" means we found the data and declined it, with the reason. "coupled" means this reads empty only because a related family is empty. Use explain_absence to ask the same question directly.
输入模式
{'type': 'object', 'required': ['description'], 'properties': {'limit': {'type': 'number', 'description': 'Optional, default 5.'}, 'section': {'type': 'string', 'description': 'Optional section filter, e.g. "fuels", "grid", "freight".'}, 'description': {'type': 'string', 'description': 'What you need a factor for, INCLUDING the country if it matters, e.g. "UK grid electricity", "diesel per litre France", "hotel stay Japan". Geography is parsed from this string.'}}}
search_factors
Find emission factors by section, key prefix, or free text. Returns each match with its key, name, section, VALUE, unit and gas — enough to choose between them or read a few numbers without a second call. For one factor's full audit envelope (publisher, exact source reference, retrieval date, licence, verification) call lookup_factor; for several, call lookup_factors.
输入模式
{'type': 'object', 'properties': {'limit': {'type': 'number', 'description': 'Max results (default 20).'}, 'query': {'type': 'string', 'description': 'Free-text search over factor names/keys.'}, 'section': {'type': 'string', 'description': 'Restrict to a section, e.g. "grid", "fuels", "freight".'}, 'key_prefix': {'type': 'string', 'description': 'Restrict to keys starting with this prefix.'}}}
历史
近期工具变更
已更改
calculate_freight
2026年9月19日 02:51
已添加
explain_absence
2026年9月17日 12:35
已添加
resolve_factor
2026年9月17日 12:35
已添加
calculate_business_travel
2026年9月17日 12:35
已添加
calculate_spend
2026年9月17日 12:35
已添加
calculate_freight
2026年9月17日 12:35
已添加
calculate_electricity
2026年9月17日 12:35
已添加
calculate_pcaf
2026年9月17日 12:35
已添加
calculate_embodied
2026年9月17日 12:35
已添加
calculate_activity
2026年9月17日 12:35
已添加
lookup_factors
2026年9月17日 12:35
已添加
search_factors
2026年9月17日 12:35
已添加
lookup_factor
2026年9月17日 12:35
发现
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