yuclaw is an open-source CLI and API tool for evidence-first financial research, enabling users to trace every signal to its SEC filing and verify data against a public, git-anchored ledger. It supports integration with LangChain and LlamaIndex, and is intended for research and educational use.
In the Other AI space, yuclaw takes a focused approach. It focuses on verifying financial research signals by tracing them to original SEC filings and maintaining auditability. It is built as an open-source project for quantitative finance researchers and developers. yuclaw is open source under the MIT license. yuclaw is available on the command line and API.
yuclaw first shipped in 2026. PulseGate's similarity index finds few close equivalents — yuclaw occupies a relatively distinct niche. Key capabilities include CLI interface, REST API, and MCP support. It exposes integrations via an MCP server and a public API.
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