react-native-docs-mcp: Skill for Claude Code

.claude/skills/using-react-native-docs-mcp/SKILL.md

using-react-native-docs-mcp is a skill for Claude Code from Sannnao/react-native-docs-mcp. It costs 38 tokens per session (426 once invoked), scanned A, a copy of using-react-native-docs-mcp, MIT.

Usage instructions for a tool that searches and retrieves the current official React Native documentation. React Native is a framework for building mobile apps with JavaScript and native phone components.

In plain words
What is it for?
Checking React Native APIs, migration guides, native-module instructions, and other official documentation while writing or reviewing React Native code.
Why use it?
They reduce mistakes caused by relying on remembered API details that may be outdated. The instructions recommend searching first and opening longer documentation only when needed.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is Sannnao/react-native-docs-mcp's own configuration. It tells Claude Code how to work on react-native-docs-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything react-native-docs-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Sannnao/react-native-docs-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Sannnao/react-native-docs-mcp/master/.claude/skills/using-react-native-docs-mcp/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Sannnao/react-native-docs-mcp

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for using-react-native-docs-mcp

README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
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Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 426 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00038 $0.00426
Opus 5.5 $0.00015 $0.00170
Sonnet 5.5 $0.00008 $0.00085
Haiku 4.5 $0.00004 $0.00043

Measured 1mo ago against content hash b322b9cff6a8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

using-react-native-docs-mcp scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to using-react-native-docs-mcp — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/using-react-native-docs-mcp/SKILL.md · 18 lines

What it actually says

Using react-native-docs-mcp

When this MCP server is connected, prefer it over recalling React Native APIs from memory — training data goes stale, this tool indexes the live official docs.

Workflow

  1. Search first. Call search_react_native_docs with a natural-language query before writing React Native code that touches an API you're not 100% certain about. Results include a relevance-ranked snippet and a url.
  2. Drill in only when needed. If the search snippet isn't enough, call get_doc with the path from a search result. It returns a ~1500 char summary plus a structure outline by default — enough for most questions.
  3. Use full: true sparingly. Pass full: true to get_doc only when the summary likely cuts off something you need — New Architecture migration guides, native-module walkthroughs, or anything with many sequential steps. Don't default to full for every call; it costs more context for no benefit on short reference pages.
  4. Search unfiltered by default. Most React Native docs pages live flat with no section; only the-new-architecture, legacy, and releases are real sections. Use the section filter only when specifically targeting one of those areas.
  5. Pin docs to the user's actual version when it matters. If the project's installed react-native version differs from latest and the question involves an API that may have changed across versions, note that the server can be started with --docs-version=X.YY to index that release's frozen docs snapshot — mention this to the user rather than silently assuming latest-version behavior applies to their older app.
  6. Refresh if docs seem stale. Call update_docs to pull the latest commit before concluding an API doesn't exist.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 18 lines · 38 tokens per session scan A b322b9cff6a8

Subscribe to this mod's changes

using-react-native-docs-mcp is a skill published in the GitHub repository Sannnao/react-native-docs-mcp (0 stars, last pushed 3mo ago), licensed MIT. It adds 38 tokens to every session and 426 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to using-react-native-docs-mcp, differing in 0 lines, and is treated as a copy.

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