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AI Footprint

R0· no sign-in

Water and energy footprint of AI use: chat prompts, agent sessions, methodology and sources.

v1.0.4 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality91strong
Trust97of 100
Uptime, 30 days100%
Latency p50375 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "ai-footprint": {
      "type": "http",
      "url": "https://footprint.pharmatools.ai/mcp"
    }
  }
}
claude mcp add --transport http ai-footprint https://footprint.pharmatools.ai/mcp
[mcp_servers.ai-footprint]
url = "https://footprint.pharmatools.ai/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "ai-footprint": {
      "type": "remote",
      "url": "https://footprint.pharmatools.ai/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "ai-footprint": {
      "type": "http",
      "url": "https://footprint.pharmatools.ai/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=ai-footprint&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZm9vdHByaW50LnBoYXJtYXRvb2xzLmFpL21jcCJ9"
}
{
  "servers": {
    "ai-footprint": {
      "type": "http",
      "url": "https://footprint.pharmatools.ai/mcp"
    }
  }
}
{
  "mcpServers": {
    "ai-footprint": {
      "httpUrl": "https://footprint.pharmatools.ai/mcp"
    }
  }
}
extensions:
  "ai-footprint":
    enabled: true
    name: "ai-footprint"
    type: streamable_http
    uri: "https://footprint.pharmatools.ai/mcp"
    timeout: 300

Quality 91 / 100strong

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations4 of 4 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 891 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes4 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 891 tokens to load them all · tool set 62a879a5b430 · tools last changed 2026-10-13 · checked 2026-10-19 17:25 UTC

Tool changes

  • estimate_session_footprintchangedannotations
  • compare_water_usechangedannotations
  • get_methodologychangedannotations
  • estimate_ai_footprintchangedannotations

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 97 / 100

provenance90
liveness100
freshness100
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% +updated-6d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://footprint.pharmatools.ai/mcp streamable-httpnoneyes100%375 ms2025-11-252026-10-19

Tools (4)

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_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 boundary most researchers use). days: number of days to total over (e.g. 250 workdays, 365). Returns per-prompt, per-day and total figures with everyday equivalents, assumptions and a source link. For agentic/coding sessions use estimate_session_footprint instead.
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–3x range – this is an order-of-magnitude estimate calibrated to published per-prompt figures, not a measurement.
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.

Schemas: list_tools.

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More from io.github.nickjlamb

Official server.json
{
  "name": "io.github.nickjlamb/ai-footprint",
  "title": "AI Footprint",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://footprint.pharmatools.ai/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.4",
  "repository": {
    "url": "https://github.com/nickjlamb/ai-footprint",
    "source": "github"
  },
  "websiteUrl": "https://www.pharmatools.ai/mcp#footprint",
  "description": "Water and energy footprint of AI use: chat prompts, agent sessions, methodology and sources."
}