Live and historical electricity prices and demand for 25 grids; carbon intensity for GB.
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Optional. 'Bearer <ghk_key>' for full data (free key: https://grid-hub.app/developers). Without it, tools run in free sample mode.
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Tool list from our last check. Connect live to refresh it.
Time series for one metric in one zone over a start/end window (Unix seconds). Rows are returned oldest-first and the 'limit' truncates from the OLDEST end, so a small limit over a wide window returns old data, not recent data — for 'the latest N points' set start close to now, or use get_latest / get_zone_brief for current values. Default window is the last 24h (last ~400 days for capacity, which is annual). Max window 31 days per call (400 for capacity); paginate with start/end for more. Metrics: price (wholesale, local currency per MWh), demand (MW), generation (per fuel, 'fuel' field set; % or MW depending on zone; GB and US-CAISO only), carbon-intensity (gCO2/kWh; GB only), interchange (net imports, MW), capacity (installed MW per fuel; European zones only). Authentication: send 'Authorization: Bearer <ghk_key>' on the MCP connection (free key, 500 requests/day, instant email signup at https://grid-hub.app/developers), or pay per call with x402 (USDC on Base) via the X-PAYMENT header. With no credentials, data tools run in free sample mode: real, current data but truncated (history capped at 50 rows; brief returns one context block). Sample results are clearly marked.
Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences.
Which series to fetch.
Window end, Unix seconds. Default: now.
Max rows (default 200, max 1000 via MCP; sample mode caps at 50).
Window start, Unix seconds. Default: end minus 24h.
Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output).
Time series for one metric in one zone over a start/end window (Unix seconds). Rows are returned oldest-first and the 'limit' truncates from the OLDEST end, so a small limit over a wide window returns old data, not recent data — for 'the latest N points' set start close to now, or use get_latest / get_zone_brief for current values. Default window is the last 24h (last ~400 days for capacity, which is annual). Max window 31 days per call (400 for capacity); paginate with start/end for more. Metrics: price (wholesale, local currency per MWh), demand (MW), generation (per fuel, 'fuel' field set; % or MW depending on zone; GB and US-CAISO only), carbon-intensity (gCO2/kWh; GB only), interchange (net imports, MW), capacity (installed MW per fuel; European zones only). Authentication: send 'Authorization: Bearer <ghk_key>' on the MCP connection (free key, 500 requests/day, instant email signup at https://grid-hub.app/developers), or pay per call with x402 (USDC on Base) via the X-PAYMENT header. With no credentials, data tools run in free sample mode: real, current data but truncated (history capped at 50 rows; brief returns one context block). Sample results are clearly marked.
| Argument | Type | Description |
|---|---|---|
| end | integer | Window end, Unix seconds. Default: now. |
| zone* | string | Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences. |
| limit | integer | Max rows (default 200, max 1000 via MCP; sample mode caps at 50). |
| start | integer | Window start, Unix seconds. Default: end minus 24h. |
| metric* | string | Which series to fetch. |
| api_key | string | Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output). |
{
"type": "object",
"required": [
"zone",
"metric"
],
"properties": {
"end": {
"type": "integer",
"description": "Window end, Unix seconds. Default: now."
},
"zone": {
"enum": [
"US-CAISO",
"US-ERCOT",
"US-PJM",
"US-MISO",
"US-NYISO",
"US-ISONE",
"US-SPP",
"DE-LU",
"FR",
"ES",
"IT-NO",
"NL",
"BE",
"PL",
"SE-3",
"NO-2",
"DK-1",
"AT",
"CH",
"GB",
"AU-NSW",
"AU-QLD",
"AU-VIC",
"AU-SA",
"AU-TAS"
],
"type": "string",
"description": "Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences."
},
"limit": {
"type": "integer",
"maximum": 1000,
"minimum": 1,
"description": "Max rows (default 200, max 1000 via MCP; sample mode caps at 50)."
},
"start": {
"type": "integer",
"description": "Window start, Unix seconds. Default: end minus 24h."
},
"metric": {
"enum": [
"price",
"demand",
"generation",
"carbon-intensity",
"interchange",
"capacity"
],
"type": "string",
"description": "Which series to fetch."
},
"api_key": {
"type": "string",
"description": "Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output)."
}
},
"additionalProperties": false
}The most recent value of every metric one zone publishes (price and demand for every zone; generation by fuel for GB and US-CAISO; carbon intensity for GB; interchange where available), each with unit and timestamp. This is the right tool for 'what is the price/demand/carbon intensity in X right now'. Note: some European sources publish day-ahead prices, so the price timestamp can be up to ~36h in the future; use get_zone_brief for a strictly at-or-before-now value with historical context. Authentication: send 'Authorization: Bearer <ghk_key>' on the MCP connection (free key, 500 requests/day, instant email signup at https://grid-hub.app/developers), or pay per call with x402 (USDC on Base) via the X-PAYMENT header. With no credentials, data tools run in free sample mode: real, current data but truncated (history capped at 50 rows; brief returns one context block). Sample results are clearly marked.
| Argument | Type | Description |
|---|---|---|
| zone* | string | Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences. |
| api_key | string | Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output). |
{
"type": "object",
"required": [
"zone"
],
"properties": {
"zone": {
"enum": [
"US-CAISO",
"US-ERCOT",
"US-PJM",
"US-MISO",
"US-NYISO",
"US-ISONE",
"US-SPP",
"DE-LU",
"FR",
"ES",
"IT-NO",
"NL",
"BE",
"PL",
"SE-3",
"NO-2",
"DK-1",
"AT",
"CH",
"GB",
"AU-NSW",
"AU-QLD",
"AU-VIC",
"AU-SA",
"AU-TAS"
],
"type": "string",
"description": "Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences."
},
"api_key": {
"type": "string",
"description": "Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output)."
}
},
"additionalProperties": false
}Current headline values for all 25 zones in one call — the cheapest way to compare zones (e.g. 'which European zone has the lowest price right now', 'rank US ISOs by demand'). Rebuilt every 5 minutes. Authentication: send 'Authorization: Bearer <ghk_key>' on the MCP connection (free key, 500 requests/day, instant email signup at https://grid-hub.app/developers), or pay per call with x402 (USDC on Base) via the X-PAYMENT header. With no credentials, data tools run in free sample mode: real, current data but truncated (history capped at 50 rows; brief returns one context block). Sample results are clearly marked.
| Argument | Type | Description |
|---|---|---|
| api_key | string | Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output). |
{
"type": "object",
"properties": {
"api_key": {
"type": "string",
"description": "Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output)."
}
},
"additionalProperties": false
}Ingestion health per source and zone: last successful fetch timestamp and last error, if any. Free. Use it to explain stale or missing values before drawing conclusions from them.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Composite, interpretation-ready snapshot of one zone: current price / demand / carbon intensity where published (strictly at-or-before now), each ranked against that zone's own last ~30 days (percentile, vs-median %, min/max, sample count and the actual data window), a 24h trend per metric, the generation mix where published (GB, US-CAISO), and a one-sentence plain-English summary. Best tool for questions like 'is electricity cheap/clean in X right now' or 'is this a good time to run a flexible workload'. A raw price means little without this context. Authentication: send 'Authorization: Bearer <ghk_key>' on the MCP connection (free key, 500 requests/day, instant email signup at https://grid-hub.app/developers), or pay per call with x402 (USDC on Base) via the X-PAYMENT header. With no credentials, data tools run in free sample mode: real, current data but truncated (history capped at 50 rows; brief returns one context block). Sample results are clearly marked.
| Argument | Type | Description |
|---|---|---|
| zone* | string | Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences. |
| api_key | string | Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output). |
{
"type": "object",
"required": [
"zone"
],
"properties": {
"zone": {
"enum": [
"US-CAISO",
"US-ERCOT",
"US-PJM",
"US-MISO",
"US-NYISO",
"US-ISONE",
"US-SPP",
"DE-LU",
"FR",
"ES",
"IT-NO",
"NL",
"BE",
"PL",
"SE-3",
"NO-2",
"DK-1",
"AT",
"CH",
"GB",
"AU-NSW",
"AU-QLD",
"AU-VIC",
"AU-SA",
"AU-TAS"
],
"type": "string",
"description": "Zone id. US ISOs: US-CAISO, US-ERCOT, US-PJM, US-MISO, US-NYISO, US-ISONE, US-SPP. Europe: DE-LU, FR, ES, IT-NO, NL, BE, PL, SE-3, NO-2, DK-1, AT, CH. Great Britain: GB. Australia (NEM): AU-NSW, AU-QLD, AU-VIC, AU-SA, AU-TAS. Call list_zones for names, sources, currencies and licences."
},
"api_key": {
"type": "string",
"description": "Optional GridHub API key (ghk_...). Prefer sending it as an 'Authorization: Bearer <key>' HTTP header on the MCP connection; use this argument only if your client cannot set headers. Without a key the tool runs in free sample mode (truncated output)."
}
},
"additionalProperties": false
}List the 25 electricity grid zones GridHub covers, with id, name, data source (EIA, ENTSO-E, NESO, AEMO), timezone, currency, licence and required attribution. Free, no credentials needed. Call this first if you are unsure which zone id to use.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}