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MCP Tool Implementation for Blockchain Data

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Linked challenge: Crypto Compliance Agent: Detecting Anomalous Transactions with Gemini 3 Pro Deep Think

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Linked challenge
Crypto Compliance Agent: Detecting Anomalous Transactions with Gemini 3 Pro Deep Think

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Implement MCP-enabled tools within your LangGraph nodes to perform lookups on a simulated blockchain (e.g., getting transaction details, address history). Detail how these tools will be integrated and invoked by your Gemini 2.5 Pro agents.

Adaptation plan

Keep the source stable, then change the prompt in a predictable order so the next run is easier to evaluate.

Keep stable

Hold the task contract and output shape stable so generated implementations remain comparable.

Tune next

Update libraries, interfaces, and environment assumptions to match the stack you actually run.

Verify after

Test failure handling, edge cases, and any code paths that depend on hidden context or secrets.