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CHANGCHINFU

CHANGCHINFU

@changchinfu

On GitHub since October 2025

5

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Published Tools

3 MCP Servers2 Skillsacross 4 categories

US government data (USGS/NOAA/SEC/FDA) with cryptographic proof; x402 pay-per-call, no API key

MCP ServerFinance & Fintech
3 dirs

LangChain tools for Truth Bear GAUGE official-source signal data

Skilluncategorised
2 dirs

GitHub Actions

Official-source records for AI agents: source URL, offline-recomputable record_hash, freshness and a did:key signature. Free lookups plus a live price quote; this node never pays and never takes a key.

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MCP Servern8n Node
2 dirs

LlamaIndex tools for Truth Bear GAUGE official-source signal data

Skilluncategorised
1 dir

AEML-DS Vanished-Data Exchange

MCP server for GAUGE — verifiable environmental, agriculture, power-grid, shipping & regulatory-filing signals for AI agents. Free discovery tools; paid screening-level records pay-per-call in USDC on Base via x402 (no API key). Official sources (USGS/NOA

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MCP Servermcp
1 dir