exascale.build

Agent-first, source-cited US power data — operating, planned & retired generation capacity (EIA-860M), net generation (EIA-923), and capacity factor — over…

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What it can do

List Capabilities V1: List available exascale.build data capabilities for agent discovery before querying.
Get Source Evidence V1: Fetch and hash-verify the raw source row behind a returned citation. Pass a citation object inside `params`. Two ready-to-pass shapes come straight from the query tools: each a
Describe Power Capacity V1: Describe valid filters, groupings, metrics, detail fields, and citation fields for power.capacity.

What data it sees

Do you need an account

No: the server works without sign-in

Agent-first, source-cited US power data — operating, planned & retired generation capacity (EIA-860M), net generation (EIA-923), and capacity factor — over MCP and REST. Read-only, no auth; every value resolves to its raw source cell with a matching SHA-256, so an agent can verify what it reports instead of trusting it.

Server tool list (8)

Raw names from tools/list. Only developers need these.

list_capabilities_v1	List available exascale.build data capabilities for agent discovery before querying.
get_source_evidence_v1	Fetch and hash-verify the raw source row behind a returned citation. Pass a citation object inside `params`. Two ready-to-pass shapes come straight from the query tools: each aggregate row's `citations[ref].verify` object, or a detail record's `citation` (from include_records). Either proves the number with no re-query. The tool verifies the raw workbook SHA-256 before returning source-header row values. Use this when an agent must prove an answer from the underlying source row.
describe_power_capacity_v1	Describe valid filters, groupings, metrics, detail fields, and citation fields for power.capacity.
query_power_capacity_v1	Query verified U.S. generator-level operating, planned, retired, or canceled power capacity from EIA-860M. Use this for capacity questions by state/jurisdiction, county FIPS, source-reported balancing authority code, fuel, prime mover, technology, status, or year. Pass filters inside the `params` object. Returns JSON aggregates with citations and optional generator-level records when `include_records` is true. Does not determine electricity supplied, generation MWh, real-time dispatch, capacity factor, battery storage throughput/duration, demand/load, prices, queues, data-center load, or transmission deliverability.
describe_power_generation_v1	Describe valid filters, groupings, atoms, metrics, detail fields, and citation fields for power.generation.
query_power_generation_v1	Query verified U.S. monthly net electricity generation (MWh) from EIA-923. Use this for "how much was generated" questions by state, source-reported balancing authority code, fuel, prime mover, sector, plant, or generator, for a given month. For a fuel total or a fuel mix (e.g. "coal generation", "top fuels"), filter or group by `fuel_group` — it sums the several energy_source_code values a fuel spans (coal alone is 6 codes), so a total is correct-by-construction; use the raw `energy_source_code` only when you want one exact as-reported code, since it splits coal/biomass across sub-codes. Select one `atom`: `by_fuel` (default — the complete plant total) or `by_generator` (generator-level, joinable to EIA-860M); never sum across atoms. Pass filters inside the `params` object. Returns JSON aggregates with citations down to the exact source month-cell. Does not determine installed capacity (MW — use power.capacity), demand/load, wholesale prices, fuel cost, heat rate, capacity factor, or real-time/hourly dispatch.
describe_capacity_factor_v1	Describe capacity factor: net generation / (operating nameplate × hours), joined across EIA-860M and EIA-923.
query_capacity_factor_v1	Query verified U.S. capacity factor — how hard a fleet actually runs — by joining EIA-860M capacity and EIA-923 generation. capacity_factor = net generation (MWh) / (operating nameplate capacity (MW) × hours in the month), computed over plant×fuel present in BOTH sources, so scope is auto-aligned. Pass a single `data_month` (required); optional `group_by` of `state` and/or `fuel_group`, and `state`/`fuel_group` filters. Returns the capacity factor per group with its generation and capacity, a `coverage` declaration (what share of in-scope capacity/generation matched), and a citation to BOTH the capacity and the generation source row. Basis is nameplate; storage is excluded; the capacity snapshot is matched to the month. Does not determine per-generator capacity factor, a net-summer/winter basis, or months absent from either source.