Summary
This connects Claude to a 529,000 section corpus covering all 50 US state codes, the United States Code, and the Code of Federal Regulations. You get semantic search across the entire corpus plus a citation graph showing how statutes reference each other. Reach for this when you need to research legal questions, trace statutory authority, or build tools that work with US law at scale. The semantic search means you can query by concept rather than exact keywords, and the citation graph lets you map relationships between federal and state law provisions.
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Tools
Public tool metadata for what this MCP can expose to an agent.
11 tools
search_legislationSearch US legislation by name or keyword. Fuzzy matching across 5,000+ federal and state statutes.1 params
Search US legislation by name or keyword. Fuzzy matching across 5,000+ federal and state statutes.
Parameters* required
querystringSearch query (Act name or keyword)
find_relevant_lawFind relevant law by describing a legal question or situation. Fulltext search across 529K statutory sections.3 params
Find relevant law by describing a legal question or situation. Fulltext search across 529K statutory sections.
Parameters* required
limitintegerMax results (default 20)
querystringNatural language description
jurisdictionstringOptional filter, e.g. 'United States (California)'
traverse_graphExpand from a statute to find connected legislation via the citation graph. Shows cross-references, amendments, and related statutes.2 params
Expand from a statute to find connected legislation via the citation graph. Shows cross-references, amendments, and related statutes.
Parameters* required
limitintegerMax connected works (default 20)
work_idstringWork ID to expand from (e.g. 'us:usc:t18')
get_act_structureView all sections of a specific statute. Returns section references, titles, and text snippets.1 params
View all sections of a specific statute. Returns section references, titles, and text snippets.
Parameters* required
work_idstringWork ID (e.g. 'us:usc:t18' or 'us:state:ca:penal-code')
get_related_actsFind statutes related to a given statute through cross-references and the citation graph.2 params
Find statutes related to a given statute through cross-references and the citation graph.
Parameters* required
limitintegerMax results (default 20)
work_idstringWork ID to find related statutes for
get_risk_surfaceGenerate a legal risk surface for a business description. Identifies relevant statutes, legal domains, and compliance risks.1 params
Generate a legal risk surface for a business description. Identifies relevant statutes, legal domains, and compliance risks.
Parameters* required
venture_descriptionstringBusiness description (min 10 chars)
semantic_searchFind relevant law using semantic similarity (embeddings). Best for exploratory queries where exact keywords are unknown.2 params
Find relevant law using semantic similarity (embeddings). Best for exploratory queries where exact keywords are unknown.
Parameters* required
querystringNatural language query
jurisdictionstringOptional jurisdiction filter
search_within_workSearch for specific text within a single statute's sections.2 params
Search for specific text within a single statute's sections.
Parameters* required
querystringSearch text
work_idstringWork ID to search within
get_recent_changesFind recently amended or enacted provisions in a legal topic area.2 params
Find recently amended or enacted provisions in a legal topic area.
Parameters* required
topicstringLegal topic (e.g. 'privacy', 'tax', 'employment')
since_yearintegerYear to search from (default 2020)
compare_jurisdictionsCompare regulatory frameworks between two business scenarios or jurisdictions.2 params
Compare regulatory frameworks between two business scenarios or jurisdictions.
Parameters* required
description_astringFirst business/scenario description
description_bstringSecond business/scenario description
get_doctrinal_lineageTrace the full doctrinal lineage of a statute — amendment chain, implementing regulations, interpretive case law, and cross-references.2 params
Trace the full doctrinal lineage of a statute — amendment chain, implementing regulations, interpretive case law, and cross-references.
Parameters* required
work_idstringWork ID of the statute to trace
case_law_limitintegerMax case law results (default 25)
Featured
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →Categories
Registryactive
Packageamerica-law-graph
TransportSTDIO
UpdatedApr 4, 2026
