Can LII (vaquill-ai) MCP Server

An MCP (Model Context Protocol) server for the CanLII Canadian legal information API. Gives AI assistants access to Canadian case law and legislation metadata across all federal, provincial, and territorial jurisdictions. Its 7 documented tools cover case, legislation, databases. It is available as a remote MCP endpoint.

Teams that want a hosted database endpoint instead of running a local process. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-09 · ★ 5 · #141 OF 151 MAINTAINED DATABASE · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Can LII (vaquill-ai)

before you install - you'll need

Set CANLII_API before connecting. MCP_AUTH_TOKEN is optional or environment-specific per the README.

Claude Code

claude mcp add vaquill-ai-canlii-mcp --transport http https://canlii-mcp.vaquill.ai/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "vaquill-ai-canlii-mcp": {
      "url": "https://canlii-mcp.vaquill.ai/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://canlii-mcp.vaquill.ai/mcp

transport: streamable-http

endpoint alive - authentication required · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to canlii-mcp.vaquill.ai

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license MIT - declared in the repository

registry namespace io.github.Vaquill-AI is GitHub-verified and matches the repo owner

03 · What Can LII (vaquill-ai) can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can list all courts and tribunals in the CanLII collection, browse decisions from a specific court/tribunal database, get metadata for a specific case (title, citation, date, keywords), and get cases cited by a case, cases citing it, or legislation it references.

Capability map

Tools grouped from the project's README - what Can LII (vaquill-ai) lets an agent do.

Case

3 tools - e.g. List all courts and tribunals in the CanLII collection; Get metadata for a specific case (title, citation, date, keywords); Get cases cited by a case, cases citing it, or legislation it references

list_case_databases · get_case · get_case_citations

Legislation

3 tools - e.g. List all statute and regulation databases; Browse statutes or regulations from a specific database; Get metadata for a specific piece of legislation

list_legislation_databases · list_legislation · get_legislation

read & search

1 tool - e.g. Browse decisions from a specific court/tribunal database

list_cases

04 · Who maintains Can LII (vaquill-ai)

CanLII is maintained by vaquill-ai. We track 3 MCP servers from vaquill-ai - 3 actively maintained, 12 combined GitHub stars, oldest repo from Mar 2026. Full record: all servers from vaquill-ai.

Vaquill Search US federal and 50-state statutes, regulations, constitutions, and court rules. ★ 5

05 · Facts

repository: github.com/vaquill-ai/canlii-mcp
category: database - ranked #141 of 151 actively-maintained database servers as of 2026-08-25.
registry: io.github.Vaquill-AI/canlii-mcp (active, first published 2026-05-15)

06 · Can LII (vaquill-ai) FAQ

Is Can LII (vaquill-ai) still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-09. We re-verify nightly.

What can Can LII (vaquill-ai) do?

How do I install Can LII (vaquill-ai)?

Run `claude mcp add vaquill-ai-canlii-mcp --transport http https://canlii-mcp.vaquill.ai/mcp`. The README documents 2 environment variables (CANLII_API, MCP_AUTH_TOKEN) to set first. Set CANLII_API before connecting. MCP_AUTH_TOKEN is optional or environment-specific per the README. You can also paste the ready-made client config above.

Does Can LII (vaquill-ai) require authentication?

Yes - when we probed the endpoint on 2026-08-25, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

07 · Alternatives to Can LII (vaquill-ai)

Alternatives to Can LII (vaquill-ai)

Maintained database servers if Can LII (vaquill-ai) isn't the fit.

Pairs well with

Servers that cover what Can LII (vaquill-ai) doesn't - only shown when the pairing reason fits the companion.

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