How do I install Lt Eli?

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

Is Lt Eli safe to use?

Lt 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 AI apps work with Lt Eli?

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

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Lt Eli MCP Server

by Matematicsolutions

Developer ToolsModerate5.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

MCP server for Lithuanian legislation (TAR via data.gov.lt) with verifiable citations.

About

MCP server for Lithuanian legislation (TAR via data.gov.lt) with verifiable citations.

Security Report

5.2

Moderate5.2Moderate Risk

This is a well-structured, read-only MCP server for querying public Lithuanian legal data via the data.gov.lt API. Authentication is not required (API is keyless and public), permissions are appropriately scoped to HTTP requests and local filesystem operations (caching and audit logging), and the code demonstrates good security practices including input validation, error handling, and comprehensive audit logging. Minor code quality observations do not materially impact security. Supply chain analysis found 6 known vulnerabilities in dependencies (1 critical, 3 high severity). Package verification found 1 issue.

7 files analyzed · 10 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 Read

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

File System Write

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

env_vars

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

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-matematicsolutions-lt-eli-mcp": {
      "args": [
        "lt-eli-mcp"
      ],
      "command": "uvx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

lt-eli-mcp

An MCP server for the Lithuanian Register of Legal Acts (TAR) via the data.gov.lt open-data API. It searches Lithuanian legislation by title and fetches full text, with verifiable citations.

Part of the MateMatic eu-legal-mcp production line - after PL, DE, AT, ES, FI, IE, NL, SE, FR, LU, DK, CZ and HR. Same citation contract, TAR source. This connector reads a REST-JSON open-data API (the data.gov.lt Spinta endpoint).

Scope. This MVP searches acts by title substring, returns metadata, and fetches the full Lithuanian text. ~CC BY 4.0 open data; acts are addressed by their TAR code (tar_kodas). Language: Lithuanian. Every response carries a dataset_note.

ELI is national, not data.europa.eu. Lithuania has no data.europa.eu ELI for the TAR dataset. eli_uri carries the canonical e-tar.lt legalAct URL (the stable national identifier), which is also the source_url. Every response carries an eli_note saying so.

The tools

Tool	What it does
`lt_search`	Find acts whose title contains a substring (optionally by type).
`lt_get_act`	Metadata for an act by its TAR code.
`lt_get_text`	Full Lithuanian text of an act by its TAR code.

Every response carries the contract: eli_uri (the e-tar.lt URL, e.g. https://e-tar.lt/portal/lt/legalAct/...), human_readable_citation (title + official number), and source_url.

Install

Run it with no install step (once published to PyPI):

uvx lt-eli-mcp

Or from source:

cd lt-eli-mcp
pip install -e .

Configure (Claude Code / any MCP client)

{
  "mcpServers": {
    "lt-eli-mcp": { "command": "lt-eli-mcp" }
  }
}

Environment:

LT_ELI_BASE_URL - default https://get.data.gov.lt
LT_ELI_CACHE_DIR - default ~/.matematic/cache/lt-eli
LT_ELI_AUDIT_DIR - default ~/.matematic/audit

No API key. The data.gov.lt open-data API is keyless.

Governance

Public data only - read-only against data.gov.lt; no client data leaves the machine.
Audit log - every tool call appends one JSON line to ~/.matematic/audit/lt-eli-mcp.jsonl.
Vendor-neutral - talks only to get.data.gov.lt; no LLM provider, no telemetry.
Verifiable citations - every response is independently checkable via source_url.

See CONSTITUTION.md and DISCOVERY.md.

Tests

pip install -e ".[dev]"
pytest tests/test_instructions_drift.py tests/test_parse.py -v   # offline
pytest tests/test_smoke.py -v                                    # hits live data.gov.lt

Licence

Apache-2.0. © Matematic Solutions / Wieslaw Mazur. TAR data is CC BY 4.0; relayed with attribution and a source_url.

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Lt Eli MCP Server

About

Security Report

Findings (10)Action required

Permissions Required

How to Install

Documentation

lt-eli-mcp

The tools

Install

Configure (Claude Code / any MCP client)

Governance

Tests

Licence

Reviews

No reviews yet

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