Operational Semantics Builder
SkillDev toolsDefine and test operational semantics specifications for programming languages
Use Operational Semantics Builder in Claude, ChatGPT or Ahel Desktop
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Then ask your AI: use the Operational Semantics Builder skill
Details
Instructions available. Your AI can read the instructions. Execution depends on the setup they require.
Account requirements not reviewed. Check the skill instructions before use; Ahel provides instructions and does not run this skill.
No other account needed.
Add Ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.
What this skill tells your AI
The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/domains/science/computer-science/skills/operational-semantics-builder/SKILL.md and read by Ahel’s review.
Purpose
Provides expert guidance on defining operational semantics for programming language specification and testing.
Capabilities
- Small-step semantics rule generation
- Big-step semantics rule generation
- Evaluation context definition
- Substitution and binding handling
- Semantics execution/testing
- Equivalence proofs
Usage Guidelines
- Semantics Style: Choose small-step or big-step
- Rule Definition: Define reduction/evaluation rules
- Contexts: Define evaluation contexts if needed
- Testing: Execute semantics on test programs
- Validation: Verify expected behavior
Tools/Libraries
- PLT Redex
- K Framework
- Ott
- Maude
Signals
- GitHub stars
- 2k
- Forks
- 113
- Last commit
- Sep 2026
Advanced
- Item type
- skill
- Key
operational-semantics-builder- Source
- github.com/a5c-ai/babysitter