# Context7 Usage > Guidelines for using the Context7 MCP server to fetch real-time documentation and code examples. Use when this capability is needed. - Skill: `tomevault-io/context7-usage-3` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/context7-usage-3` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/context7-usage-3/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/context7-usage-3 --- # Context7 Usage Guidelines The `io.github.upstash/context7/*` MCP server provides access to real-time, version-specific documentation and code examples for external libraries. ## When to Use - **Researching Libraries**: When investigating a new library, use `io.github.upstash/context7/*` to understand its capabilities and API surface. - **Implementation**: Before writing code using an external library, use `io.github.upstash/context7/*` to fetch the latest syntax, methods, and patterns. - **Debugging**: When a library usage fails, use `io.github.upstash/context7/*` to verify the API usage against the official documentation. - **Outdated Knowledge**: If you suspect your internal knowledge of a library might be outdated (e.g., major version changes), verify with `io.github.upstash/context7/*`. ## Best Practices 1. **Be Specific**: When querying, specify the library name and ideally the version if known (or ask for the latest). 2. **Verify Context**: Ensure the returned documentation matches the environment (e.g., specific framework versions). 3. **Use Examples**: leverage the code examples provided by `io.github.upstash/context7/*` to ensure idiomatic usage. ## Tool Usage Simply use the `io.github.upstash/context7/*` tool available in your toolset. You can usually invoke it by asking questions about a library or explicitly asking to "use io.github.upstash/context7/* to check [library]". --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/seanspiesman) — claim your Tome and manage your conversions.