How do I install Ch Eli?

Ch Eli is a local plugin. Install it using PyPI package: ch-eli-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

Is Ch Eli safe to use?

Ch Eli scored 5.2/10 (moderate risk) in MCP Marketplace's automated security scan. It has 4 high or critical findings to review. It's listed, but review the security report on this page before installing.

What credentials does Ch Eli need?

Ch Eli requires the following credentials or environment variables: CH_ELI_CACHE_DIR, CH_ELI_AUDIT_DIR, CH_ELI_BASE_URL. You can find setup instructions on the server detail page.

What AI apps work with Ch Eli?

Ch Eli uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

Back to Browse

Ch Eli MCP Server

by Matematicsolutions

Developer ToolsModerate5.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

MCP server for Swiss federal legislation via Fedlex (native ELI), verifiable citations.

About

MCP server for Swiss federal legislation via Fedlex (native ELI), verifiable citations.

Security Report

5.2

Moderate5.2Moderate Risk

This is a well-structured MCP server for querying Swiss federal legislation via the Fedlex SPARQL endpoint. Authentication is not required (appropriate for a public data source), code quality is high with proper input validation and error handling, and permissions are tightly scoped to network requests and local caching. No malicious patterns, credential handling issues, or dangerous code constructs were identified. Supply chain analysis found 6 known vulnerabilities in dependencies (1 critical, 3 high severity). Package verification found 1 issue.

7 files analyzed · 11 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

~/.matematic/cache/ch-eliOptional

Environment variable: CH_ELI_CACHE_DIR

~/.matematic/auditOptional

Environment variable: CH_ELI_AUDIT_DIR

https://fedlex.data.admin.ch/sparqlendpointOptional

Environment variable: CH_ELI_BASE_URL

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-matematicsolutions-ch-eli-mcp": {
      "env": {
        "CH_ELI_BASE_URL": "your-ch-eli-base-url-here",
        "CH_ELI_AUDIT_DIR": "your-ch-eli-audit-dir-here",
        "CH_ELI_CACHE_DIR": "your-ch-eli-cache-dir-here"
      },
      "args": [
        "ch-eli-mcp"
      ],
      "command": "uvx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

ch-eli-mcp

MCP server for Swiss federal legislation via Fedlex, the Federal Chancellery's official publication platform. Fedlex is genuinely ELI-native (European Legislation Identifier) even though Switzerland is not an EU member. Multilingual: German, French, Italian, English.

What this is not

This connector returns metadata (title, SR number) via SPARQL - not the operative text of the law. source_url points to the public Fedlex page where the full text lives.

Tools

Tool	Purpose
`ch_search_acts`	Full-text search over act titles, in one of four languages
`ch_get_act`	Full detail for one act by its Fedlex ELI URI

Every response carries lex_uri (the native ELI URI - not invented, taken directly from Fedlex), source_url (the public HTML page), and human_readable_citation (e.g. "Bundesverfassung der Schweizerischen Eidgenossenschaft (SR 101)" - the SR number is Switzerland's own Systematische Sammlung / Classified Compilation citation convention).

Install

pip install ch-eli-mcp

Configuration

Env var	Default
`CH_ELI_CACHE_DIR`	`~/.matematic/cache/ch-eli`
`CH_ELI_AUDIT_DIR`	`~/.matematic/audit`
`CH_ELI_BASE_URL`	`https://fedlex.data.admin.ch/sparqlendpoint`

License

Apache-2.0 (code). Fedlex content is official Swiss federal publication material (see SOURCES.md).

Reviews

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Ch Eli MCP Server

About

Security Report

Findings (11)Action required

Permissions Required

What You'll Need

How to Install

Documentation

ch-eli-mcp

What this is not

Tools

Install

Configuration

License

Reviews

No reviews yet

More Developer Tools MCP Servers

Git

Toleno

mcp-creator-python

MarkItDown

MCP Marketplace

FinAgent

Ch Eli MCP Server

About

Security Report

Findings (11)Action required

Permissions Required

What You'll Need

How to Install

Documentation

ch-eli-mcp

What this is not

Tools

Install

Configuration

License

Reviews

No reviews yet

More Developer Tools MCP Servers

Git

Toleno

mcp-creator-python

MarkItDown

MCP Marketplace

FinAgent