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DimensionUniversal Crypto MCPUniversal crypto MCP server: let AI agents operate blockchains and DeFi via natural language.Context7Upstash's official server providing up-to-date third-party library docs for AI coding assistants
FMRS75 / 100 · B80 / 100 · B
Reliability12 / 2014 / 20
Security and permissions16 / 2016 / 20
Maintenance15 / 2017 / 20
Documentation18 / 2015 / 20
Setup experience14 / 2018 / 20
Best for
  • Developers and analysts who want crypto market and DeFi data inside an AI client
  • MCP users wanting quick access to free market-data sources
  • Users of Claude Desktop, Cursor, or ChatGPT Developer Mode
  • Developers using fast-moving frameworks/libraries worried about the AI suggesting stale code
  • Scenarios wanting zero-config documentation lookup
Not for
  • High-security scenarios requiring on-chain transactions without human review (write operations depend on PRIVATE_KEY)
  • Users seeking a server officially maintained by a blockchain platform
  • Users requiring explicit licensing guarantees (GitHub metadata shows NOASSERTION)
  • Looking up internal/private codebase documentation (Context7 targets publicly published open-source libraries)
  • Cases needing very high coverage of obscure, niche libraries (coverage depends on what Context7's platform has indexed)
Required permissions
  • Optional RPC_URL to connect to EVM nodes
  • Optional PRIVATE_KEY (secret) for signing transactions
  • Optional ALCHEMY_API_KEY (secret) for enhanced RPC access
  • The npm package executes third-party code via npx
  • Usable without an API key (subject to a free-tier rate limit); CONTEXT7_API_KEY is an optional credential for higher quota
  • Read-only documentation lookup — no code execution or local filesystem access involved
Risks and side effects
  • With PRIVATE_KEY configured, the AI agent can execute real on-chain transactions and potentially lose funds; use a dedicated hot wallet
  • Storing a private key in client environment variables risks leakage
  • npx automatically executes third-party code from npm, a supply-chain risk
  • License metadata is NOASSERTION on GitHub; verify terms before commercial use
  • Many advertised capabilities (e.g., 380+ tools, multi-chain operations) belong to sibling packages in the monorepo and may not be part of this server. server
  • The free tier has limited quota — high-frequency use may hit rate limits
  • Documentation content comes from Context7's platform index, so its accuracy and freshness depend on that platform's crawl cadence
Supported clientsClaude Desktop, Cursor, ChatGPT Developer ModeClaude Code, VS Code, Cursor, Cline, Amp
Tools112