captain-drawdown-mcp
An MCP server that gives Claude, ChatGPT, Cursor and other MCP clients direct access to Captain Drawdown's open data on carbon dioxide removal (CDR):
- Companies: 969 published CDR companies with pathway, country, liveliness tier, EU SME size class, registries and evidence dates (CC BY-NC-SA 4.0).
- Researchers: 95,000+ researchers with CDR papers since 2021, aggregated by country and pathway, plus top-100 lists per pathway (CC BY 4.0).
- Shops: shops where individuals buy certified removal, with prices (CC BY 4.0).
It reads the public static API at https://captaindrawdown.com/api/v1/ (no key, CORS open) and caches responses for six hours. Every result carries version, as_of, license and cite_as.
Install
pip install captain-drawdown-mcp # or: uvx captain-drawdown-mcp
Claude Desktop / Claude Code (claude mcp add captain-drawdown -- captain-drawdown-mcp) or claude_desktop_config.json:
{"mcpServers": {"captain-drawdown": {"command": "captain-drawdown-mcp"}}}
Cursor (.cursor/mcp.json): same command. Any client that speaks MCP over stdio works.
Tools
| Tool | What it returns |
|---|---|
stats() |
headline numbers of the newest release |
search_companies(query, country_code, pathway, size_class, region, limit) |
matching companies with slugs |
company(slug) |
one company |
countries(), pathways() |
companies per country / per pathway |
researchers_by_country(), researchers_by_pathway() |
listed researchers with the calibrated estimate |
top_researchers(pathway, region, limit, ranking) |
top 100 worldwide or top 50 in Europe for a pathway; ranking active (CDR papers since 2021 weighted by age, half-life three years) or cited (citations to those papers) |
shops() |
shops with prices |
cite() |
citation and licences |
Data and licences
Pages: https://captaindrawdown.com/data/ · API: https://captaindrawdown.com/api/ · Corrections: info@carbon-drawdown.de. The server code is MIT; the data keeps its own licences (companies CC BY-NC-SA 4.0 because the directory is seeded from Grant Faber's list; researchers and shops CC BY 4.0).
Captain Drawdown is a project of the Carbon Drawdown Initiative (Fürth, Germany).
1 maintainer
Metadata
1 maintainer
Release files for captain-drawdown-mcp 0.1.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| captain_drawdown_mcp-0.1.1.tar.gz | 4.5 kB | Without provenance | Details for captain_drawdown_mcp-0.1.1.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| captain_drawdown_mcp-0.1.1-py3-none-any.whl | Python 3 | none | any | Details for captain_drawdown_mcp-0.1.1-py3-none-any.whl |
Total release size: 10.9 kB
Release files / captain_drawdown_mcp-0.1.1.tar.gz
| Download URL | captain_drawdown_mcp-0.1.1.tar.gz |
|---|---|
| Size | 4.5 kB |
| Tags | Source |
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SHA-256 checksum How to use checksums |
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No |
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twine/7.0.0 CPython/3.14.8
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Release files / captain_drawdown_mcp-0.1.1-py3-none-any.whl
| Download URL | captain_drawdown_mcp-0.1.1-py3-none-any.whl |
|---|---|
| Size | 6.4 kB |
| Tags | Python 3 |
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SHA-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/7.0.0 CPython/3.14.8
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