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100
MCP live MCP 2026-07-28 streamable-http

fyi.carbon/carbon-fyi

fyi.carbon/carbon-fyi

Voluntary carbon market news and open carbon price data. Read-only, keyless.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
523ms
last probe
Tools
6
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://www.carbon.fyi/api/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
6 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
6 items in total; 3 or more earns these points.
pass Describes itself 10/10
76 characters; more than 30 earns these points.

Tools · 6

search_news

Search carbon.fyi's curated voluntary carbon market story archive. Each story is an editorially clustered summary of one development, written from one or more original reports, and always carries the …

get_story

Fetch a single story by its id, including every source that reported it. Story ids are permanent — a published story keeps its id and its public URL indefinitely — so they are safe to store.

get_carbon_prices

Current voluntary carbon credit prices from two independent sources: per-category minimum/median price and available supply across the Carbonmark marketplace catalog, and spot prices per Klima Protoco…

get_price_history

Daily-averaged historical price series. This archive exists only because carbon.fyi records it three times a day: no upstream API serves a historical carbon price series, so these observations cannot …

get_market_summary

One call for orientation: how much of the archive is available, when it last updated, the story-tag breakdown (use these as `tag` values for search_news), and the current price table. Start here.

list_sources

The publications, registries and integrity bodies carbon.fyi monitors. Useful for judging coverage — a topic absent from the archive may simply not be covered by these sources.

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://www.carbon.fyi/api/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "fyi.carbon/carbon-fyi": {
      "url": "https://www.carbon.fyi/api/mcp",
      "transport": "streamable-http"
    }
  }
}