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PromptScript language expert for reading, writing, modifying, and troubleshooting .prs files.
Passed 22 of 22 test cases with the skill, and 5 of 22 without it.
and 36 more in the full report
17 fixed5 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
A newer attempt on gemini-3.6-flash on 10/2/2026 did not produce a publishable comparison (not comparable). The snapshot above is the previously measured run.
One of 17 test cases the skill fixed. Same model, same prompt, with and without the skill.
Create a `@plugins` definition named `security-suite` in PromptScript version 1.4.0 that bundles a skill `security-review`, a hook `validate-types`, and an MCP server `issue-tracker`.
| Checked | Without skill | With skill |
|---|---|---|
| The @meta block declares syntax version 1.4.0. | Missed | Passed |
| The @plugins block defines security-suite with skills, hooks, and mcpServers arrays. | Missed | Passed |
The instructions your model reads when the skill loads.
PromptScript is a domain-specific language that compiles .prs files into native instruction formats for AI coding assistants (GitHub Copilot, Claude Code, Cursor, Antigravity, Factory AI, OpenCode, Gemini CLI). One source of truth, multiple outputs.
A .prs file contains ordered declarations. Syntax 1.5.0 applies @inherit,
@use, local blocks, @extend, and @override in source order. Put @meta
first.
# Comments start with #
@meta { ... } # Required metadata
@inherit @path # Single inheritance (optional)
@use @path [as alias] # Imports/mixins (optional, multiple)
@identity { ... } # AI persona
@context { ... } # Project context
@standards { ... } # Coding conventions
@restrictions { ... } # Hard rules
@shortcuts { ... } # Command aliases
@knowledge { ... } # Reference documentation
@skills { ... } # Reusable skill definitions
@agents { ... } # Subagent definitions
@workflows { ... } # Repeatable agent procedures
@examples { ... } # Few-shot input/output examples (syntax 1.2.0+)
@params { ... } # Template parameters
@guards { ... } # File globs and priorities
@hooks { ... } # Portable lifecycle hooks (syntax 1.4.0+)
@mcpServers { ... } # MCP server configurations (syntax 1.4.0+)
@plugins { ... } # Capability bundles (syntax 1.4.0+)
@local { ... } # Private config (not committed)
@extend path { ... } # Modify imported blocks
@override path { ... } # Replace one complete existing target (syntax 1.5.0+)
@custom-name { ... } # Arbitrary named blocks
Contextual @header entries appear inside supported owner blocks, not at the
top level.
test cases passed, vs 5 / 22 without
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