Vaquill MCP Server

Search US federal and 50-state statutes, regulations, constitutions, and court rules. Its 7 documented tools cover statute, statutes, section. It is available as a remote MCP endpoint.

Teams that want a hosted API integration endpoint instead of running a local process. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-08 · ★ 5 · #209 OF 250 MAINTAINED API INTEGRATION · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Vaquill

before you install - you'll need

VAQUILL_API_KEY

Environment variables documented in the project's README - it lists which are required and which have defaults.

Claude Code

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

Claude Desktop / Cursor / VS Code - add to config

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

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://mcp.vaquill.ai/s/_

transport: streamable-http

endpoint alive - responded to MCP initialize · 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 mcp.vaquill.ai

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license MIT - declared in the repository

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

03 · What Vaquill 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 resolve a Bluebook citation (e.g. 42 U.S.C. § 1983) straight to its section, and browse the statutory hierarchy one level at a time.

Capability map

Tools grouped from the project's README - what Vaquill lets an agent do.

Statute

4 tools - e.g. Section metadata by actId (citation, hierarchy, official-source links).; Full HTML + plain text of a section.; Resolve a Bluebook citation (e.g. 42 U.S.C. § 1983) straight to its section.

get_us_statute_section · get_us_statute_section_text · resolve_statute_citation · list_statute_divisions

Statutes

2 tools - e.g. Hybrid semantic + keyword search; filter by corpusType, state, titleNumber, chapter, year, and more.; Self-describing coverage matrix: which corpora exist in which jurisdiction.

search_us_statutes · list_statutes_coverage

read & search

1 tool - e.g. Live API credit pricing (free, no auth).

get_pricing

Latest releases

v0.2.0 · 2026-08-08

v0.2.0 · Cleaner tool names: MCP tool names are now auto-derived from the API's OpenAPI operation ids, replacing the verbose ..._api_v1_..._get names (e.g. list_statutes_coverage). New or renamed API endpoints get…

v0.1.2 · 2026-07-18

Tool descriptions no longer hardcode credit costs. At startup the server fetches the full per-endpoint matrix from GET /api/v1/api-credits/pricing/all (research:read) and appends an accurate 'Cost: N credits' line to…

04 · Who maintains Vaquill

Vaquill 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.

CanLII MCP for CanLII: Canadian case law and legislation metadata (federal, provincial, territorial). ★ 5

05 · Facts

repository: github.com/vaquill-ai/vaquill-mcp
category: API integration - ranked #209 of 250 actively-maintained API integration servers as of 2026-08-25.
release cadence: 2 releases in the last 90 days (latest 2026-08-08)
registry: io.github.Vaquill-AI/vaquill-mcp (active, first published 2026-05-15 · 3 versions)

06 · Vaquill FAQ

Is Vaquill still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-08 and it shipped 2 releases in the last 90 days. We re-verify nightly.

What can Vaquill do?

With this server connected, an agent can resolve a Bluebook citation (e.g. 42 U.S.C. § 1983) straight to its section, and browse the statutory hierarchy one level at a time.

How do I install Vaquill?

Run `claude mcp add vaquill-ai-vaquill-mcp --transport http https://mcp.vaquill.ai/s/_`. The README documents one environment variable (VAQUILL_API_KEY) to set first. You can also paste the ready-made client config above.

Does Vaquill require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Vaquill

Alternatives to Vaquill

Maintained API integration servers if Vaquill isn't the fit.

More API integration MCP servers · Lviv Public Transport · Openroute MCP · Vulners MCP · Warp Agent MCP · Wavix

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