Encode legal and regulatory rules as executable, type-checked L4 programs.
npx skills add https://github.com/smucclaw/l4-ide --skill l4
Please help me install this Agent Skill. Skill: l4 Source: https://github.com/smucclaw/l4-ide/tree/main/skill Command: npx skills add https://github.com/smucclaw/l4-ide --skill l4
L4 enables legal professionals to turn natural-language rules, contracts, and regulations into executable, type-checked programs, closing the gap between law and software.
Install the cloud or local validator, create an .l4 file with a type-safe model of your rule, then run jl4-cli or the cloud validator to validate and test it. For example, write an L4 module that defines a simple agreement and run:
High-intent search queries and answers about installing and using this skill.
You can encode legal contracts into executable programs by writing an .l4 file using DECLARE types and GIVEN functions to create a type-safe model, then running it through the jl4-cli for validation.
The best way to verify compliance is using #TRACE simulations and pattern matching to test regulative rules against scenarios, generating an evaluation trace to demonstrate compliance via the cloud validator.
To validate a type-safe legal model, run the command `jl4-cli your-file.l4` locally or use `node validate-cloud.mjs your-file.l4` to process the L4 specification through the cloud validator.
Yes, L4 supports isomorphic encoding of legal text into structured code, preserving the source document structure to maintain traceability between the original natural language rules and the formalized program.
Yes, L4 provides deployment-ready workflows that allow you to generate web apps, APIs, or documentation directly from your formal legal specifications after validation.
L4 requires converting natural-language rules into structured code manually, meaning complex or ambiguous legal text may need careful interpretation to ensure the type-checked program accurately reflects the intended legislation or contract.
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