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gen-blockchain-addr-mcp-server MCP server · F · ToolBench

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gen-blockchain-addr-mcp-server

github.com/ptbsare/gen-blockchain-addr-mcp-server

A MCP server to generate multi-cryptocurrency addresses offline.

2026-07-28+STDIO0 tools

18/100

Definition Quality0

Protocol Readiness0

Supportability30

Spec posture

Inferred effective spec 2026-07-28+·current baseline 2026-07-28

Static source inference · medium confidence

Current-spec patterns detected

Summary

Scoring was not performed

Issues (5)

HIGHtool ↗

No output schema documented. The tool signature does not declare what fields the response contains (address, private_key, public_key, mnemonic, etc.). LLMs cannot know what data is available for downstream operations or how to chain this tool with others.

gen_addr

MEDIUMtool-description ↗

Tool description and parameter descriptions are in Chinese. While technically valid, this creates friction for English-dominant LLMs and agent frameworks. Descriptions should be in English to maximize accessibility and LLM reasoning quality.

gen_addr

HIGHrecovery-guide ↗

No error recovery guidance. The function signature shows potential for exceptions (e.g., invalid seed, invalid mnemonic, invalid language) but the MCP tool definition does not document what errors are possible or how the LLM should recover. Error messages should be actionable and guide the agent to correct input.

gen_addr

MEDIUMconstrained-input ↗

Recommendations

Add a documented output schema showing all possible response fields: mnemonic, language, entropy, seed, addresses (as dict), error messages. Include field types and whether each is always present or conditional.
Translate tool description and all parameter descriptions to English to maximize LLM compatibility and reasoning quality.
For 'symbol' parameter, replace free-form description with an enum constraint listing all valid values: ['BTC', 'BTC_P2SH', 'BTC_SEGWIT', 'BTC_TAPROOT', 'ETH', 'TRX', 'DOGE', 'ATOM', 'FIL', 'BCH', 'LTC', 'ARB'].
For 'language' parameter, replace free-form description with an enum constraint derived from BIP39_MNEMONIC_LANGUAGES: ['english', 'chinese-simplified', 'chinese-traditional', 'french', 'italian', 'japanese', 'korean', 'spanish', 'russian'].
Document error cases explicitly: 'If seed is invalid hex, returns {"error": "Invalid seed: must be 64-character hex string"}. If language is unsupported, returns {"error": "Unsupported language: ...available: ..."}. If mnemonic is invalid BIP39, returns {"error": "Invalid mnemonic: ..."}.'
Add parameter 'seed' example constraint in description: '64-character hexadecimal string (0-9a-f)'.
Consider splitting the tool to support single-currency generation as a separate fast path if common use cases request only one currency.

Score history

Overall score trend

↓ 26 points across a rubric change (v1 → v2)

18/100

Scored	Grade	Overall	Spec posture	Rubric
2026-09-22	F	18	2026-07-28+	v2
2026-03-09	F	44	-	v1