CarbonMeld

com.carbonmeldPublished by carbonmeld.comOfficial publisherv1.0.1Updated Nov 7, 2026

Read-only carbon credit project ratings, registry facts, offer checks and buyer retirements.

VerifiedStreamable HTTPWeb executableFinanceKnowledge & MemoryData & Analytics

Overview

AI-generated overview

Remote, read-only MCP server giving assistants research on voluntary carbon credit projects: ratings, registry facts, offer checks and buyer retirements.

What you can do
  • Search and read project records: ratings, red flags, registry status, vintages, claims, developers, buyers and documents
  • Check a received offer against public registry facts, and view CORSIA supply labels by registry and phase
  • Look up methodologies, crediting standards, developers, ICVCM CCP assessments and leaderboards by sector, country, standard or methodology
  • Review your own saved portfolio and the last 30 days of rule-setter notices and registry label changes
  • Read CarbonMeld's rating method and its articles in English, Chinese and Japanese
When to use it
Useful when you need to vet carbon credit projects or offers, compare ratings and rankings, or track registry and methodology changes before a purchase decision. It is a research aid, not a trading or purchasing tool.
Requirements
A remote Streamable HTTP endpoint; no local install. A CarbonMeld account signed in through OAuth 2.1, with the connection approved on a CarbonMeld page. An API-key alternative is documented for some clients.
Before you install
Sign-in grants the assistant access to your CarbonMeld account data, including your saved portfolio; you can disconnect assistants from your account page. Ratings are informational and not investment advice, and CarbonMeld does not sell credits. The tools are read-only and cannot buy, sell or pay.

Installation

In SourceWeft

  1. Open CarbonMeld in the dashboard and add it to a workspace.
  2. Connect the required credentials. They are stored privately and never shown on public pages.
  3. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/com.carbonmeld%2Fcarbonmeld/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config. The client completes OAuth sign-in on first connect.

{
  "mcpServers": {
    "carbonmeld": {
      "type": "http",
      "url": "https://carbonmeld.com/api/v1/mcp"
    }
  }
}

README

CarbonMeld MCP server

CarbonMeld's remote MCP server gives AI assistants read-only research on voluntary carbon credit projects: ratings built from the documents registries publish, the registries' own data, and the method behind each rating.

  • Server URL: https://carbonmeld.com/api/v1/mcp (Streamable HTTP)
  • Sign-in: OAuth 2.1 with your CarbonMeld account. You approve the connection on a CarbonMeld page, and you can disconnect an assistant at any time from your account page («Connected assistants»).
  • Read-only: the tools cannot change anything, buy, sell or make a payment.
  • Official MCP Registry: com.carbonmeld/carbonmeld, described by server.json

This repository holds the server's public description only: its registry entry and client examples. The server runs at the URL above; its code is not here.

Tools

ToolWhat it returns
search_projectsProjects found by words, standard, country, methodology, sector, developer, minimum rating or claim (CORSIA, ICVCM CCP, Article 6, removal)
get_projectOne project's record: rating and analysis, red flags, registry status, vintages issued and retired, claims, developer, buyers and documents
get_projectsSeveral project records in one call
check_offerAn offer you received, checked against public registry facts: registration, vintage issued and still available, CORSIA / CCP / Article 6 claims, seller vs developer
corsia_supplyCORSIA registry labels by registry and phase, with the highest-rated First Phase projects
get_buyerAn organisation named as beneficiary of public retirements: tonnes, the projects they came from and those projects' ratings (a beneficiary is not necessarily the buyer)
get_methodologyOne methodology: its identity card with sources, the rules CarbonMeld applies, its version history and its projects
get_rankingLeaderboards by sector, country, standard or methodology
get_standardOne crediting standard: its identity card, the programme rules applied, its methodologies and projects
get_developerOne project developer: its projects, standards and countries (no company-level score)
ccp_trackerThe ICVCM Core Carbon Principles assessments of methodologies, with the number of projects CarbonMeld tracks under each
my_portfolioThe projects saved in your own CarbonMeld portfolio, with their recent changes
what_changedThe last 30 days of rule-setter notices and registry label changes
get_methodCarbonMeld's rating method and its rules
search_articlesCarbonMeld's articles in English, Chinese and Japanese

Connect

Full, current steps for every client, including Claude Code, Microsoft 365 Copilot and the API-key alternative: https://carbonmeld.com/premium/mcp/

  • ChatGPT: chatgpt.com/plugins → + → Add custom MCP server → the server URL → OAuth → Create as a plugin. Sign in on the CarbonMeld page that opens, then approve.
  • Claude: Customize → Connectors → Add custom connector → the server URL. You can also add CarbonMeld from Claude's connectors directory. Sign in on the CarbonMeld page that opens, then approve.
  • Cursor: put examples/cursor-mcp.json in ~/.cursor/mcp.json (or .cursor/mcp.json for one project). Cursor asks you to sign in.
  • VS Code: run MCP: Add Server → HTTP → the server URL → server ID carbonmeld → Global. The resulting entry, in ~/.copilot/mcp-config.json, is examples/vscode-mcp.json. VS Code asks you to sign in.

Notes

CarbonMeld sells no carbon credits. Ratings are informational, not investment advice. Registry data is shown as the registries publish it, with its date.

Questions: [email protected]

中文

CarbonMeld 的远程 MCP 服务器为 AI 助手提供自愿碳市场项目的只读研究：根据各登记处公开的文件得出的评分、登记处自己的数据，以及每个评分背后的方法。

  • 服务器 URL：https://carbonmeld.com/api/v1/mcp（Streamable HTTP）
  • 登录：使用您的 CarbonMeld 账户通过 OAuth 2.1 登录。您在 CarbonMeld 页面上批准连接，并可随时在账户页面（“已连接的助手”）断开与助手的连接。
  • 仅限读取：这些工具不能更改任何内容，也不能买卖或付款。
  • 官方 MCP Registry：com.carbonmeld/carbonmeld，其描述见 server.json
  • 工具列表见上方英文表格。各客户端的完整连接步骤：https://carbonmeld.com/zh/premium/mcp/

本仓库只有服务器的公开描述（MCP Registry 条目和客户端示例），不含服务器代码。

CarbonMeld 不出售碳信用。评分仅供参考，不构成投资建议。登记处数据按登记处公布的内容显示，并注明日期。

日本語

CarbonMeldのリモートMCPサーバーは、AIアシスタントに自発的炭素市場のプロジェクトに関する読み取り専用の調査を提供します。レジストリが公開する文書にもとづく評価、レジストリ自身のデータ、そして各評価の背後にある評価方法です。

  • サーバーURL：https://carbonmeld.com/api/v1/mcp（Streamable HTTP）
  • サインイン：CarbonMeldのアカウントでOAuth 2.1によりサインインします。CarbonMeldのページで接続を承認し、アカウントページ（「接続中のアシスタント」）からいつでも接続を解除できます。
  • 読み取りのみ：ツールは何も変更できず、売買や支払いもできません。
  • 公式MCP Registry：com.carbonmeld/carbonmeld（内容はserver.jsonに記載）
  • ツールの一覧は上の英語の表をご覧ください。各クライアントの詳しい接続手順：https://carbonmeld.com/ja/premium/mcp/

このリポジトリにはサーバーの公開説明（MCP Registryの掲載情報とクライアントの設定例）だけがあり、サーバーのコードは含まれていません。

CarbonMeldはカーボンクレジットを販売しません。評価は参考情報であり、投資助言ではありません。レジストリのデータは、レジストリが公開したとおりに日付とともに示します。

License

MIT

Source: README.md at commit 3380fe1

Tools

0
This server asks you to sign in, so SourceWeft could not read its tools without an account and has not indexed them. What a connected account sees can depend on that account and its permissions.

Version history

1
  1. v1.0.1LatestNov 7, 2026

Score

85% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listed15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts
  • License10 pts