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Legal · MCP server

CanLII: MCP server, setup and security

CanLII is an open-source MCP server that lets an AI agent access Canadian case law and legislation metadata through CanLII. Its repository has 7 stars and its last commit is from September 14, 2026 and it is licensed under MIT.

Score
53/100
Adoption (stars) 8/40
Maintenance 25/30
Framework (licence, registry, official) 20/30
Actively maintainedRemote server

What CanLII does

According to its repository: “Canadian case law and legislation metadata via CanLII.”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. CanLII is listed under Legal, a category of 14 servers in the directory, where it ranks #11 by stars.

Topics declared by the repository: ai-tools, canadian-law, canlii, case-law, claude, legal-ai.

Installing and connecting CanLII

Distribution modes declared in the official MCP registry:

  • remote server (streamable-http): you connect to it by URL, with nothing to install locally

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools. Project language: TypeScript.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to CanLII. That does not replace reading the code.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on April 25, 2026, the Vaquill-AI/canlii-mcp repository has 7 stars and 1 forks, with 0 open issues. It has more stars than 19% of the servers in the directory. Last change 1 month ago. Version published in the registry: 0.1.0 (May 15, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

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 : 1414CanLIICanLII : 77
GitHub stars of the most followed servers in the category (log scale); CanLII in orange. Checked October 25, 2026.

Verdict

CanLII is a reasonable choice; check the points below before connecting it.

Strengths

  • Active project: recent commit
  • Listed in the official MCP registry
  • Usable remotely, without installation
  • Permissive licence (MIT)

Limitations

  • Few visible users

Frequently asked questions

How do I install CanLII?

CanLII is distributed as a remote server. Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of Vaquill-AI/canlii-mcp.

Is CanLII free?

The code is published under the MIT licence and can be used free of charge.

Is CanLII safe?

No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.

Is it an official server?

Nothing says so: it is a project published by Vaquill-AI on GitHub. Check who maintains it before giving it access.

What are the alternatives to CanLII?

In the same category: OpenMetadata, LibreJustice, Melta UI, and Open Agreements. OpenMetadata and LibreJustice score higher on our grid.

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