fyi.carbon/carbon-fyi
carbon.fyi
fyi.carbon/carbon-fyi costs 831 tokens of context per session. It has 6 tool definitions. That is 0.4 % of a 200k window. Measured 2026-10-03.
Voluntary carbon market news and open carbon price data. Read-only, keyless.
alive probed 2026-10-03 · HTTP 200
6tools
831tokens for the tool definitions
0.4 %of a 200k context window
1.5 sto initialize
127 msto list tools
- Endpoint
- https://www.carbon.fyi/api/mcp (streamable-http)
- Host
- www.carbon.fyi
- Protocol
- 2025-11-25
- Reports itself as
- carbon.fyi 0.1.0
- Capabilities
- tools
- Instructions
- 466 characters
- Repository
- https://github.com/Carbonmark/carbon.fyi-new
- Website
- https://www.carbon.fyi/mcp
- Registry
- active, updated 2026-08-27 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| search_news | 265 | 32 % |
| get_price_history | 215 | 26 % |
| get_story | 108 | 13 % |
| get_carbon_prices | 94 | 11 % |
| get_market_summary | 80 | 10 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:34 | alive | 1.5 s | 6 | 831 |
| 2026-10-03 17:50 | alive | 1.4 s | 6 | 831 |
Badge
[](https://mcp-pulse.ulehla.dev/s/fyi.carbon/carbon-fyi)