How do I install the Hir skill?

Run npx skillmds@latest add ceilf6/hir in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Hir skill do?

Skill for the HIR area of Wiki. 507 symbols across 110 files. It is listed under Coding & Dev Tools on SkillMD.

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Hir?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

ceilf6 (@ceilf6) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Hir by ceilf6 — Agent Skill

Name: Hir
Author: ceilf6

HIR

507 symbols | 110 files | Cohesion: 71%

When to Use

Working with code in React/
Understanding how getRuleForCategory, nameAnonymousFunctions, assertExhaustive work
Modifying hir-related functionality

Key Files

File	Symbols
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts`	isStatementBlockKind, isExpressionBlockKind, convertHoistedLValueKind, validateIdentifierName, promoteTemporary (+30)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Inference/InferMutationAliasingEffects.ts`	inferMutationAliasingEffects, findHoistedContextDeclarations, visit, cacheApplySignature, internEffect (+27)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/HIRBuilder.ts`	build, switch, loop, resolveBlockTarget, removeUnreachableForUpdates (+25)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts`	handleMaybeDependency, lower, lowerStatement, lowerObjectPropertyKey, lowerExpression (+22)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/PropagateScopeDependenciesHIR.ts`	propagateScopeDependenciesHIR, collectTemporariesSidemap, #checkValidDependency, handleInstruction, collectTemporariesSidemapImpl (+15)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Validation/ValidateNoRefAccessInRender.ts`	makeRefId, nextRefId, lookup, define, get (+14)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/CodegenReactiveFunction.ts`	codegenFunction, codegenReactiveFunction, Context, wrapCacheDep, codegenInstructionNullable (+14)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts`	printFunction, printHIR, printMixedHIR, printInstruction, printPhi (+14)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/CollectHoistablePropertyLoads.ts`	getOrCreateIdentifier, getOrCreateProperty, getMaybeNonNullInInstruction, isImmutableAtInstr, collectNonNullsInBlocks (+10)
`React/React-source/compiler/packages/babel-plugin-react-compiler/src/CompilerError.ts`	CompilerDiagnostic, create, withDetails, CompilerError, invariant (+9)

Entry Points

Start here when exploring this area:

getRuleForCategory (Function) — React/React-source/compiler/packages/babel-plugin-react-compiler/src/CompilerError.ts:781
nameAnonymousFunctions (Function) — React/React-source/compiler/packages/babel-plugin-react-compiler/src/Transform/NameAnonymousFunctions.ts:14
assertExhaustive (Function) — React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts:28
retainWhere (Function) — React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts:33
getOrInsertWith (Function) — React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts:58

Key Symbols

Symbol	Type	File	Line
`CompilerDiagnostic`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/CompilerError.ts`	121
`CompilerError`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/CompilerError.ts`	301
`DisjointSet`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/DisjointSet.ts`	11
`ReactiveScopeDependencyTreeHIR`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/DeriveMinimalDependenciesHIR.ts`	22
`HIRBuilder`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/HIRBuilder.ts`	103
`FlowTypeEnv`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Flood/Types.ts`	694
`DependencyCollectionContext`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/PropagateScopeDependenciesHIR.ts`	399
`ScopeBlockTraversal`	Class	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/HIR/visitors.ts`	1237
`getRuleForCategory`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/CompilerError.ts`	781
`nameAnonymousFunctions`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Transform/NameAnonymousFunctions.ts`	14
`assertExhaustive`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts`	28
`retainWhere`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts`	33
`getOrInsertWith`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts`	58
`Iterable_some`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts`	138
`Ok`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/Result.ts`	87
`Err`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/Result.ts`	165
`isHookDeclaration`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/HookDeclaration.ts`	13
`isComponentDeclaration`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Utils/ComponentDeclaration.ts`	13
`inferTypes`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/TypeInference/InferTypes.ts`	65
`validateUseMemo`	Function	`React/React-source/compiler/packages/babel-plugin-react-compiler/src/Validation/ValidateUseMemo.ts`	24

Connected Areas

Area	Connections
ReactiveScopes	53 calls
Transform	17 calls
Validation	16 calls
Ink	11 calls
Inference	8 calls
Entrypoint	8 calls
Optimization	5 calls
Scripts	4 calls

How to Explore

gitnexus_context({name: "getRuleForCategory"}) — see callers and callees
gitnexus_query({query: "hir"}) — find related execution flows
Read key files listed above for implementation details

Hir

File contents

HIR

When to Use

Key Files

Entry Points

Key Symbols

Connected Areas

How to Explore

Frequently asked questions

Hir

File contents

HIR

When to Use

Key Files

Entry Points

Key Symbols

Connected Areas

How to Explore

Related skills

Frequently asked questions

How do I install the Hir skill?

What does the Hir skill do?

Is Hir safe to use?

Which AI agents work with Hir?

Is Hir free to use?

Who published Hir?