AI Footprint
Water and energy footprint of AI use: chat prompts, agent sessions, methodology and sources.
Connect it
Settings → Connectors → Add custom connector
URL: https://footprint.pharmatools.ai/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://footprint.pharmatools.ai/mcp{
"mcpServers": {
"ai-footprint": {
"url": "https://footprint.pharmatools.ai/mcp"
}
}
}claude mcp add --transport http ai-footprint https://footprint.pharmatools.ai/mcp{
"servers": {
"ai-footprint": {
"type": "http",
"url": "https://footprint.pharmatools.ai/mcp"
}
}
}4 tools, verified live
estimate_ai_footprintread-onlyEstimate the water (mL) and energy (Wh) used by chat-style AI prompts (ChatGPT, Claude, Gemini etc.). queries_per_day: prompts per day. usage: 'simple' (text chat, ~0.34 Wh/prompt), 'mixed' (~1 Wh), 'intensive' (image generation / deep reasoning, ~3 Wh). boundary: 'onsite' (data-centre cooling only, as vendors report) or 'comprehensive' (adds water used to generate the electricity – the wider bou
get_methodologyread-onlyReturn the per-prompt energy and water figures, accounting boundaries, sources, limitations, a citation line, and the reasons published AI water estimates differ by ~100x (0.3 mL to 50 mL per prompt). Use it to explain or check a published AI water or energy figure.
compare_water_useread-onlyConvert a volume of water (mL) into everyday comparisons: teaspoons, 500 mL bottles, shower time, and lifecycle items (A4 sheet, almond, cup of tea, beef burger), plus the number of typical AI text prompts it equals. Includes the boundary caveat that lifecycle footprints are not like-for-like.
estimate_session_footprintread-onlyEstimate the water and energy of an AI session (e.g. an agent or coding-assistant run) from its token usage. Pass the SUM across all model calls: input_tokens (uncached prompt tokens), output_tokens (including any reasoning/thinking tokens) and cached_input_tokens (prompt-cache reads). model_class: 'small' (Haiku/mini/Flash-class), 'frontier' or 'reasoning'. Returns a central estimate and a 0.3x–3
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