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Verra (VCS Registry)

Free

Look up carbon-offset projects and credit totals in the Verra registry.

No key required. Included on Free.

Questions you can ask

  • “List registered VCS projects in Brazil.”
  • “How many credits has the VCS program issued and retired?”
  • “Show the details for this Verra project ID.”
Sample outputfor “List registered VCS projects in Brazil.”
ProjectTypeStatus
Example REDD+ projectForestryRegistered
Example landfill gas projectWasteRegistered
Example wind projectEnergyInactive

Illustrative values showing the shape of an answer, not live data.

Connect to your AI assistant

Paste this URL into Claude, ChatGPT, or any MCP client, then sign in when prompted. Verra (VCS Registry) is ready as soon as you sign in.

https://patchops.ai/api/mcp

Claude: use Add to Claude, or Settings > Connectors > Add custom connector and paste the URL.

Claude Code

claude mcp add --transport http patchops https://patchops.ai/api/mcp

Step by step

  1. 1

    Open connectors

    In Claude, open Settings > Connectors and click "Add custom connector".

  2. 2

    Paste the URL

    Name it PatchOps and paste https://patchops.ai/api/mcp as the server URL, then click Add.

  3. 3

    Sign in

    Click Connect and sign in to PatchOps when Claude asks.

  4. 4

    Start using

    Ask Claude a question. It uses Verra (VCS Registry) through PatchOps when it needs to.

› Technical details

Verra VCS Registry, the world's largest voluntary carbon-credit registry. Search certified carbon-offset projects by program, country, status, methodology, and developer, and read program issuance/retirement totals.

View the data contract and method schemas →