An open-source alternative to Yahoo Finance's market data APIs with higher reliability.
If you already use Defeatbeta Api, the defeatbeta api mcp server is the piece that lets your assistant work with it directly. An open-source alternative to Yahoo Finance's market data APIs with higher reliability.
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Because this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
The toolset is worth reading before you wire it up, because it tells you what the integration is really for:
Installation — The Installation tool exposed by this serverUsage — Instantiate the Ticker class with a company's ticker symbol. For example, to get Tesla, Inc. data:This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Defeatbeta Api's toolset — Installation, Usage — is a fair guide to whether it matches your workflow. It is maintained by defeat-beta; worth a glance at recent repository activity before you build anything load-bearing on it.
This entry was verified against Defeatbeta Api's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.
| Tool | What it does |
|---|---|
| Installation | The Installation tool exposed by this server. |
| Usage | Instantiate the Ticker class with a company's ticker symbol. For example, to get Tesla, Inc. data: |
{
"mcpServers": {
"defeat-beta": {
"command": "uvx",
"args": ["defeatbeta-api"]
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
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