FRENES

MCP server category

Legal MCP servers: comparison and full list

The Legal category lists 14 open-source MCP servers, checked on GitHub. The best scored on our grid are OpenMetadata, LibreJustice, and Melta UI. 93% received a commit in the last three months.

14servers
93 %active (3 months)
2official
22stars (median)

What Legal MCP servers are for

Legal MCP servers connect an AI agent to legal texts or document preparation tools. They can help legal teams, administrative staff, and people organizing research or preparing material for review. Us legal MCP provides access to United States legislation. Open Agreements fills agreement templates and produces DOCX documents intended for signing. You might ask: “Prepare a draft agreement from this template and flag every field for which information is missing.” The relevant jurisdiction, source, and factual context should remain visible throughout the process. Available tools determine whether the agent retrieves material, prepares a document, or supports another documented operation.

Example uses:

  • Search United States legislation through a server that explicitly provides access to that material.
  • Fill an agreement template with supplied information and identify fields that still require user input.
  • Produce a DOCX document for review before introducing it into your organization’s signing process.
  • Organize retrieved legal references so a qualified reviewer can check their relevance and original wording.

The category in figures

Of the 14 servers in the category (0% of the directory), 2 are official vendor implementations, 93% declare a licence, 7 offer a remote server and 3 need at least one API key or token according to the MCP registry. The median repository has 22 stars.

OpenMetadataOpenMetadata : 15.6K15.6KMelta UIMelta UI : 202202LogclawLogclaw : 7979DCC MCP CoreDCC MCP Core : 7070Open AgreementsOpen Agreements : 6161Us legal MCPUs legal MCP : 3838LibreJusticeLibreJustice : 2929Korean rnd regs MCPKorean rnd regs MCP : 1414MCP eu ai actMCP eu ai act : 1111Lex — Temporal Luxembourg anLex — Temporal Luxembourg an : 99
GitHub stars, log scale. Checked October 25, 2026.

All Legal MCP servers

Click a header to sort. Score out of 100: adoption, maintenance and framework (licence, registry, official status); risk: system access, secrets, licence, abandonment.

ServerStarsLast commitLicenceRiskScore
OpenMetadata
Official OpenMetadata MCP: 21 read and write tools for search, lineage, data quality, governance.
15,566Oct 24, 2026Apache-2.0low85
Melta UI
AI-Ready design system MCP: melta UI tokens, component contracts, 107 rules, check_html self-verify
202Oct 10, 2026MITlow68
Logclaw
Connect AI coding tools to LogClaw incidents, logs, and anomaly detections.
79May 11, 2026—moderate42
DCC MCP Core
Agent control plane for DCC and engine hosts: one MCP endpoint, one tool contract.
70Oct 24, 2026MITlow63
Open Agreements
Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment, cloud terms) and produce signable DOCX files.
61Oct 23, 2026Apache-2.0low68
Us legal MCP
Access US legislation.
38Oct 15, 2026MITlow61
LibreJustice ◆
French and European case law (Conseil d'État, Cour de cassation, ECHR, CJEU and more) linked to point-in-time consolidated legal texts, with
29Oct 11, 2026Apache-2.0low75
Korean rnd regs MCP
Search and review South Korea's national R&D regulations, returning current provisions with citations from the national law database.
14Oct 24, 2026Apache-2.0moderate61
MCP eu ai act
EU AI Act compliance scanner that detects regulatory violations in AI codebases, with risk classification and remediation guidance.
11Sep 25, 2026MITlow60
Lex — Temporal Luxembourg and EU Law
Point-in-time Luxembourg and EU law from Legilux and EUR-Lex: read-only search, as-of retrieval, article history, diffs, timelines and citat
9Oct 19, 2026Apache-2.0low60
CanLII
Canadian case law and legislation metadata via CanLII.
7Sep 14, 2026MITlow53
Türk Hukuku Mevzuat
Turkish legislation live from mevzuat.gov.tr: current article text by law and article number, with verification links.
6Oct 15, 2026MITlow58
СБИС (Saby) MCP (RU) — документы, подпись, ЭДО
SBIS (Saby) API: documents and workflow stages, electronic signatures, certificates, employees and organizations, with a read/write/destruct
6Oct 5, 2026MITmoderate58
LienDeadline ◆
US mechanics lien and preliminary notice deadlines for construction material suppliers, with statute-cited lien guides for all 50 states and
1Oct 22, 2026MITmoderate60

Official servers

Published by the service's own vendor (per the awesome-mcp-servers list): they usually track the API closely and are better maintained.

Choosing and securing

Check jurisdiction coverage, source provenance, and update information. For templates, review authorship, licensing, and customization options. Distinguish document production from signing or external delivery. Compare permissions, hosting, maintenance, and official or community ownership. A suitable server should expose its sources and missing information clearly. Its documentation should also explain whether generated files remain local or are processed and retained by another service during preparation.

Legal documents may reveal identities, negotiations, or information subject to confidentiality obligations. Minimize transmitted content and check retention practices. Retrieved texts and templates can contain malicious instructions or clauses unsuitable for your circumstances. Document generation does not establish legal suitability. Review jurisdiction, parties, dates, and commitments before signing or sending a document to another party, and keep an identifiable version of the material that was approved.

Before connecting a server to an agent with access to your data, run the AI agent security check.

Most recent

Frequently asked questions

What is the best Legal MCP server?

On our grid (adoption, maintenance, framework), OpenMetadata (85/100), LibreJustice (75/100), and Melta UI (68/100) come first. The right choice mostly depends on the service you need and the rights you are willing to grant.

Are these servers free?

93% declare an open-source licence and are free to use. 3 need an API key: the connected service may be paid.

Is a generated agreement ready to sign?

A file suitable for a signing workflow may still contain missing fields or clauses that do not fit your situation. Check the parties, obligations, and applicable context. Have a qualified person review the content before treating it as appropriate for your circumstances and proceeding with a signature.

Will a server focused on United States law cover my country?

Do not assume that a United States source answers a question governed by another jurisdiction. Check the territory, type of legislation, and period covered. State the applicable legal context in your request and verify references against relevant sources before relying on the response in a practical matter.

Related articles

Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score