Vaquill MCP
UnclaimedMCP server for Vaquill legal research API. Covers US federal + 50-state law (USC, CFR, state legislation, CourtListener case law)
Set up this server
01 / Choose your client
02 / Before you connect
Authentication is not specified. Check the project instructions before connecting.
Project instructions03 / Add the configuration
claude mcp add --transport stdio 'vaquill-mcp' -- 'uvx' 'vaquill-mcp'04 / Check it in your client
Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.
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27 of 27 tools
Documented tools (27)
From project documentation. A server handshake does not verify each tool’s description or behavior.
create_watch
Subscribe to a board via webhook (HMAC-SHA256 signed) or email.
fetch
Generic one-string retrieval returning {id, title, text, url, metadata}.
get_act_amendments
Amendment history: what changed, by which Act, effective when.
get_act_text
Source links (text, PDF, HTML) for one enactment.
get_corresponding_provisions
Map a repealed criminal code to its 2023 replacement (IPC to BNS, CrPC to BNSS).
get_pricing
Live API credit pricing (free, no auth).
get_section_changes
What our refreshes observed changing on this section over time.
get_section_cited_by
Which USC/CFR sections cross-reference this one (the inverse of crossReferences).
get_section_cross_state
Provisions in other states addressing the same subject, ranked by similarity.
get_section_definitions
The defined terms that govern a section, from its chapter's definitions section.
get_section_neighbors
The sections immediately before and after, in statutory order.
get_sections_batch
Metadata for up to 50 sections in one call.
get_us_statute_section
Section metadata by actId (citation, hierarchy, official-source links).
get_us_statute_section_text
Full HTML + plain text of a section.
get_watch_change_diff
Before/after text for one change, as whole documents.
list_act_filters
The filter vocabulary the corpus actually holds, with counts.
list_acts
Browse and filter enactments by jurisdiction, regulator, year, status.
list_boards
The watchable sources (Federal Register, CFR, a state's statutes, ...).
list_statute_divisions
Browse the statutory hierarchy one level at a time.
list_statutes_coverage
Self-describing coverage matrix: which corpora exist in which jurisdiction.
list_watch_changes
What changed on a watched source. Metadata only, and safe to poll.
list_watch_deliveries
Per-attempt webhook delivery log (90 days).
resolve_statute_citation
Resolve a Bluebook citation (e.g. 42 U.S.C. § 1983) straight to its section.
search
Generic one-string corpus search returning {id, title, url}.
search_acts
Search Indian legislation down to the section.
search_us_statutes
Hybrid semantic + keyword search; filter by corpusType, state, titleNumber, chapter, year, and more.
test_watch
Send a synthetic delivery to verify signing, auth and reachability.
Tool change history
FAQ
Questions about Vaquill MCP Server
- How do I connect Vaquill MCP Server to Claude?
- Run `claude mcp add vaquill-mcp -- uvx vaquill-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
- Is Vaquill MCP Server free?
- The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
- What can Vaquill MCP Server do?
- Vaquill MCP Server documents 27 tools to the agent, including create_watch, fetch, get_act_amendments. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.