feat!: v2.0.0 - MCP SDK Upgrade, Write Capabilities & Enhanced Workflows - #21
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…version to 2.0.0.
…r transfers, diagnostics, wallet analysis, and approvals, and add an ABI service.
…ance transaction prompts with detailed, safety-focused instructions.
…action diagnosis, and wallet analysis
…n content for token transfer, transaction diagnosis, and wallet analysis.
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…or safe contract interaction.
…monic phrase, centralize wallet logic, and update documentation.
wayzeek
changed the title
…on to `2.0.0-pre`.
- Add express and @types/express to dependencies for production reliability * Battle-tested error handling and middleware ecosystem * All MCP SDK examples use Express for HTTP transport * Minimal overhead (~50KB) with significant reliability gains - Fix wallet.ts to use viem's documented HDAccount/PrivateKeyAccount types * Use getHdKey() method for extracting private key from mnemonic accounts * Proper type checking instead of unsafe 'as any' casting * Better error messages for debugging - Update bun.lock with express dependencies This ensures all MCP transports (stdio, StreamableHTTP) are production-ready.
Security Fixes: - Add 10mb JSON body size limit to prevent DoS attacks - Validate EVM_ACCOUNT_INDEX to prevent NaN injection - Add HTTP server timeouts (120s request, 65s keepalive) Reliability Fixes: - Implement session cleanup (30min timeout, check every 5min) - Update session timestamps on activity to prevent premature cleanup - Prevent memory leaks from abandoned sessions These changes ensure the server is production-ready and resilient.
…vDdUW8uUosEZ69UWKTd fix: Claude review
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PR: v2.0.0 - MCP SDK Upgrade, Write Capabilities & Enhanced Workflows
Summary
This major release upgrades the server to MCP SDK v2.0.0, introduces full smart contract write capabilities, adds flexible wallet configuration (Mnemonic/HD Wallet), and completely overhauls the AI prompts for better safety and usability.
Key Changes
Core & Infrastructure
Smart Contract Write Support
write_contractTool: Execute any state-changing function on verified contracts.Wallet Configuration
EVM_MNEMONIC).EVM_ACCOUNT_INDEXsupport for deriving accounts.src/core/services/wallet.tsservice.Prompts & Workflows
interact_with_contractPrompt: Guided workflow for safe contract interactions.Breaking Changes
Closes #6
Closes #9
Closes #17