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Use Kepler in Claude and any MCP client, or call it from your own agents and systems. Every number comes back with its source.

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Kepler MCP

Claude keeps the reasoning, and Kepler does the retrieval and the arithmetic against filings, transcripts, market data and your own documents. Every figure links to the source it came from.

Kepler is a verified connector in Claude. Connect it once and it's there in every chat, with no API key to manage.

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Use Kepler: what was Alphabet's operating margin in FY2025?

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▸ Kepler's full answer
▸ Sources for this response (1)All figures cited ✓
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Alphabet's FY2025 operating margin was 32.0%, from $129.0B of operating income on $402.8B of revenue.

Kepler API

Limited alpha

Your own agents and systems call the same engine our app runs on. Answers come back as data: each figure with its value, its formula and the filing it came from.

The same data, definitions and citations as everywhere else you use Kepler.

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POST /v1/answers
{
  "question": "What was Alphabet's FY2025 operating margin?"
}
200 OK
{
  "answer": "Alphabet's operating margin was 32.0%.",
  "figures": [{
    "value": "32.0%",
    "formula": "129,039 ÷ 402,836",
    "source": "10-K FY2025 · Item 8"
  }]
}