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TrimCarbon

R0· no sign-in

CO₂ estimates for general-aviation flying: by aircraft and hours, by fleet, or by fuel.

v1.2.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality94new
Trust83of 100
Uptime, 30 days100%
Latency p50331 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "flight-emissions": {
      "type": "http",
      "url": "https://mcp.trimcarbon.com/mcp"
    }
  }
}
claude mcp add --transport http flight-emissions https://mcp.trimcarbon.com/mcp
[mcp_servers.flight-emissions]
url = "https://mcp.trimcarbon.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "flight-emissions": {
      "type": "remote",
      "url": "https://mcp.trimcarbon.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "flight-emissions": {
      "type": "http",
      "url": "https://mcp.trimcarbon.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=flight-emissions&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLnRyaW1jYXJib24uY29tL21jcCJ9"
}
{
  "servers": {
    "flight-emissions": {
      "type": "http",
      "url": "https://mcp.trimcarbon.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "flight-emissions": {
      "httpUrl": "https://mcp.trimcarbon.com/mcp"
    }
  }
}
extensions:
  "flight-emissions":
    enabled: true
    name: "flight-emissions"
    type: streamable_http
    uri: "https://mcp.trimcarbon.com/mcp"
    timeout: 300

Quality 94 / 100new

protocol88 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • warn
    protocol.list_ttltools/list declares ttlMs 0, so clients re-fetch it on every use
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.annotations10 of 10 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 1,715 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 4 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

10 tools, about 1,715 tokens to load them all · tool set 9d72f3cb272d · checked 2026-10-20 13:17 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

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 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-4d-ago -no-repository

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://mcp.trimcarbon.com/mcp streamable-httpnoneyes100%331 ms2026-07-282026-10-20

Tools (10)

estimate_flight_hoursread-onlyEstimates the CO₂ from flying hours in one or more aircraft types: one row for a pilot, several rows for a fleet (a school, club or operator). CO₂ = hours × the type’s kg of CO₂ per flight hour, from its fuel flow at about 75% power. Types match by name, ICAO type designator or page slug.
estimate_fuel_burnread-onlyEstimates the CO₂ from burning an amount of aviation fuel: avgas 100LL, mogas (motor gasoline) or Jet A, in US gallons, liters or kg. Uses the US EPA factor per US gallon and the fuel’s density for liters and kg.
get_api_impactread-onlyFor a company that uses the TrimCarbon offset API: how much CO₂ it has offset through the API, in total, in the last 30 days and by month, and its API access status. Needs the user to connect their TrimCarbon account.
get_certificateread-onlyShows one of the signed-in user’s TrimCarbon certificates: kg of CO₂, holder, dates, projects with their registries and retirement serial numbers, and links to the public certificate and its PDF. Takes the certificate number (TC-7K2M-9QXF-4HJD) that list_my_offsets returns. Needs the user to connect their TrimCarbon account.
get_my_accountread-onlyShows the signed-in TrimCarbon account: email, current offset plan (monthly or yearly, kg of CO₂ per period, renewal date) and offset API access. Needs the user to connect their TrimCarbon account.
get_my_impactread-onlyShows how much CO₂ the signed-in user has offset with TrimCarbon: the total, what is still being processed, by source (one-time, subscription, offset API), by year, and the projects funded. Needs the user to connect their TrimCarbon account.
import_logbookread-onlyOpens a card where the user picks a logbook export from ForeFlight, Garmin Pilot or LogTen. The card reads the file on the user’s device, uploads nothing, and shows the flight hours and CO₂ by aircraft type. The user can then share those totals with this conversation. Use it when someone wants the CO₂ of their flying from their logbook.
list_my_offsetsread-onlyLists the signed-in user’s TrimCarbon offset orders, newest first: date, source, kg of CO₂, status and the public certificate link once issued. Needs the user to connect their TrimCarbon account.
quote_offsetread-onlyReturns what TrimCarbon charges to offset an amount of CO₂: a one-time purchase in whole tonnes, and for yearly amounts the monthly and yearly plans. Each option has a link to continue on trimcarbon.com, where the user signs up and pays. This tool does not buy anything. It is for when the user asks what offsetting costs.
search_aircraftread-onlyFinds the aircraft types TrimCarbon has figures for, by name (e.g. "Cessna 172", "Skyhawk"), ICAO type designator (e.g. "C172", "PA28") or page slug. Returns each type with its kg of CO₂ per flight hour. The list covers about 60 general-aviation types, plus a few airliners (per passenger) and business jets.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.trimcarbon/flight-emissions",
  "title": "TrimCarbon",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.trimcarbon.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.2.0",
  "websiteUrl": "https://trimcarbon.com/ai",
  "description": "CO₂ estimates for general-aviation flying: by aircraft and hours, by fleet, or by fuel."
}