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codexis

Search and retrieve Czech, Slovak, and EU legislation, case law, and legal commentaries via the cdx-cli command-line interface.

2|1|Updated Mar 30, 2026
Search Tags:#legislation#legal research#case law#czech law#eu law#codexis#cdx-cli
One-click install
npx skills add https://github.com/atlasgroupcz/codexis-marketplace --skill codexis-atlasgroupcz
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codexis
Source: https://github.com/atlasgroupcz/codexis-marketplace/tree/main/plugins/codexis/skills/codexis
Command: npx skills add https://github.com/atlasgroupcz/codexis-marketplace --skill codexis-atlasgroupcz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve? Legal professionals need fast, accurate access to Czech, Slovak, and EU legal sources without manually browsing multiple databases. This Skill connects the conversation directly to the CODEXIS legal database, handling search, document retrieval, version tracking, and citation formatting in one workflow. ## Core Features & Use Cases - Legislation Search & Retrieval: Query Czech, Slovak, and EU laws, fetch full texts, tables of contents, and individual paragraphs with direct database links. - Case Law Research: Find Czech and EU court decisions with structured workflows for verifying holdings, distinguishing court conclusions from party arguments, and producing compact legal citations. - Amendment & Version Analysis: Track how laws change over time using version boundaries, identify amending acts, and compare wording before and after a specific date. - Use Case: A lawyer asks how § 52 of the Czech Labour Code changed over time. The Skill resolves the law, inspects version history, identifies the amending act, extracts the changed provision, and presents linked citations. ## Quick Start Ask the assistant to find current Czech Supreme Court case law on damages and summarize the conclusions with links to the CODEXIS database.

Frequently Asked Questions about codexis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I search Czech case law with the CODEXIS database?▼

Use cdx-cli search JD with a query and optional filters like --court and --limit to find Czech court decisions. The JD source covers rulings from the Constitutional Court, Supreme Court, and regional courts, and results include metadata for building compact legal citations.

How to track changes in a Czech law over time?▼

Fetch the law's version list with cdx-cli get cdx://cz_law/{lawNumber}/{lawYear}/versions, then identify version boundaries by validFrom dates. Use amendmentDocIds to find the amending acts and compare old and new version texts with the /text endpoint.

What legal sources does the CODEXIS database cover?▼

CODEXIS covers Czech legislation (CR), Slovak legislation (SK), Czech case law (JD), EU court decisions (ES), EU legislation (EU), legal literature (LT), contract templates (VS), and LIBERIS legal commentaries (COMMENT). All documents are in Czech.

Can I fetch EU legislation directly by document ID?▼

No, EU acts have no direct fetch route. You must first resolve the act with cdx-cli search EU using the citation in the query, then fetch the document using the docId returned in the search hit.

Why should I check /versions before reading law text?▼

The /versions endpoint proves whether a legal change actually exists on a target date before you extract any text. If no version boundary exists at that date, you can answer directly without running broad searches or diffs.

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