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Resource Evaluation: Context7 CLI (ctx7)

URL: https://context7.com/docs/clients/cli Date: 2026-03-17 Evaluator: Claude Sonnet 4.6 Score: 4/5

Summary

CLI companion to the Context7 MCP server (Upstash). Covers three functions: fetch library docs in terminal, manage skills (install/search/suggest/generate), configure Context7 for Claude Code.

Key commands:

  • npx ctx7 skills suggest — auto-detects project deps, recommends matching skills
  • npx ctx7 skills install owner/repo — install from any GitHub repository
  • npx ctx7 setup --claude — wizard for MCP or CLI+Skills mode configuration
  • npx ctx7 library [name] / ctx7 docs [id] [query] — doc lookup without browser

Decision

Integrated into guide/ultimate-guide.md §5.5 as new subsection "Registry-based Discovery: ctx7 CLI" (~60 lines) and a cross-reference note in guide/ecosystem/mcp-servers-ecosystem.md Context7 section.

Key Finding

The existing workflow (curl/unzip from GitHub) is replaced by ctx7 skills suggest + ctx7 skills install, which adds dependency-awareness and trust scores. The guide was documenting a 2024 manual workflow for a 2025 ecosystem.

Fact-Check Note

First WebFetch call hallucinated "Built by Anthropic" for Context7 — this is false. Context7 is an Upstash product (confirmed via mcp-servers-ecosystem.md: @upstash/context7-mcp). Corrected before integration.

Registry Relationship

  • agentskills.io = open spec (30+ platforms, defined skill format) — guide §5.1
  • context7.com/skills = hosted registry of conforming skills with trust scores
  • These are complementary, not competing. Documented in the guide integration.