Us Eli
БесплатноНе проверенMCP server for the Congress.gov API that tracks US federal legislative process, providing tools to search bills and get bill details.
Описание
MCP server for the Congress.gov API that tracks US federal legislative process, providing tools to search bills and get bill details.
README
MCP server for US law with verifiable citations. Five sources behind ten read-only tools:
- Congress.gov API - the federal legislative process: bills as they move through committees and floor votes.
- GovInfo API - enacted law text as published packages: US Code, Statutes at Large, CFR annual editions, Federal Register issues.
- Federal Register API - full-text search over 1,003,504 FR documents (1994-2026, live-verified 2026-07-07), including 8,513 presidential documents (1,550 executive orders). Keyless.
- CourtListener search API - full-text search over 8,294,123 court opinions (live-verified 2026-07-07). The headline value is STATE case law (California, New York, Texas, ...), which no federal source covers. Keyless, ~5 requests/min anonymous.
- eCFR API - the CURRENT Code of Federal Regulations: section-level full-text search over 412,846 sections plus per-section amendment history. Keyless.
What this is not
- State legislation (all 50 states) - see LegiScan, a free-tier aggregator (30,000 queries/month) not wrapped here.
- A federal case-law workhorse - for heavy federal case-law research the mature MIT-licensed wrappers (blakeox/courtlistener-mcp, john-walkoe/courtlistener_citations_mcp) remain the recommendation; the case-law tools here exist primarily for state courts. See SOURCES.md.
Tools
| Tool | Purpose |
|---|---|
us_search_bills |
List bills by congress (e.g. 118) and type (hr, s, hres, ...) |
us_get_bill |
Full detail + latest action for one bill |
us_list_code_packages |
List GovInfo packages in a collection (USCODE, CFR, FR, STATUTE) |
us_get_code_package |
Metadata + download links (PDF/XML/TXT) for one package |
us_search_federal_register |
Full-text search over FR documents; filter rules, notices, executive orders |
us_get_federal_register_doc |
One FR document with its official citation (e.g. 91 FR 41591) |
us_search_case_law |
Full-text search over 8M+ opinions; court filter (e.g. cal, ny, scotus) |
us_get_case |
One opinion cluster by cluster_id |
us_search_cfr_sections |
Full-text search over the current CFR (eCFR) |
us_get_cfr_section_history |
Amendment history of one CFR section (e.g. 15 CFR 744.3) |
Every response carries lex_uri (a resolvable API URL), human_readable_citation
(the official convention: "H.R. 1, 118th Congress", "91 FR 41591",
"People v. Miranda-Guerrero, 519 P.3d 1004 (California Supreme Court 2022)",
"15 CFR § 744.3") and source_url (the public page). Reporter citations are
taken verbatim from the source and never fabricated; when none exists the
docket number is used instead.
Install
pip install us-eli-mcp
Configuration
| Env var | Default |
|---|---|
US_ELI_API_KEY |
DEMO_KEY (shared, low rate limit - get your own free key at api.congress.gov/sign-up) |
US_ELI_GOVINFO_API_KEY |
reuses US_ELI_API_KEY (same api.data.gov key family) |
US_ELI_CACHE_DIR |
~/.matematic/cache/us-eli |
US_ELI_AUDIT_DIR |
~/.matematic/audit |
US_ELI_BASE_URL |
https://api.congress.gov/v3 |
US_ELI_GOVINFO_BASE_URL |
https://api.govinfo.gov |
US_ELI_FR_BASE_URL |
https://www.federalregister.gov/api/v1 (keyless) |
US_ELI_COURTLISTENER_BASE_URL |
https://www.courtlistener.com/api/rest/v4 (keyless) |
US_ELI_ECFR_BASE_URL |
https://www.ecfr.gov/api (keyless) |
The Federal Register, CourtListener and eCFR tools need no key at all.
License
Apache-2.0 (code). Congress.gov, GovInfo, Federal Register and eCFR data are US government works (public domain). CourtListener data is provided by the Free Law Project.
Установить Us Eli в Claude Desktop, Claude Code, Cursor
unyly install us-eli-mcpСтавит в Claude Desktop, Claude Code, Cursor и VS Code — сам разбирается с npx, uvx и сборкой из исходников.
Впервые? Поставь CLI: curl -fsSL https://unyly.org/install | sh
Или настроить вручную
Выполни в терминале:
claude mcp add us-eli-mcp -- uvx us-eli-mcpFAQ
Us Eli MCP бесплатный?
Да, Us Eli MCP бесплатный — установка в пару кликов через Unyly без оплаты.
Нужен ли API-ключ для Us Eli?
Нет, Us Eli работает без API-ключей и переменных окружения.
Us Eli — hosted или self-hosted?
Доступен hosted-вариант: Unyly запускает сервер в облаке, локальная установка не обязательна.
Как установить Us Eli в Claude Desktop, Claude Code или Cursor?
Открой Us Eli на unyly.org, выбери вкладку своего клиента (Claude Desktop, Claude Code, Cursor) и нажми Install — конфиг сгенерируется автоматически, без правки JSON.
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