MCP server

GroundRules - US Law Text

ai.agentlookups/groundrules

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

The original text of US federal and state law, with official sources; never a summary or advice.

Working at last checkVerified publisher: agentlookups.aiAbout 999 tokens per request once connected4 tools

https://law.agentlookups.ai/mcp

At a glance

Type: MCP server
Publisher: agentlookups.ai (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 999 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http groundrules https://law.agentlookups.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.groundrules]
url = "https://law.agentlookups.ai/mcp"

Gemini CLI

{"mcpServers":{"groundrules":{"httpUrl":"https://law.agentlookups.ai/mcp"}}}

Cursor

{"mcpServers":{"groundrules":{"url":"https://law.agentlookups.ai/mcp"}}}

VS Code

{"servers":{"groundrules":{"type":"http","url":"https://law.agentlookups.ai/mcp"}}}

Antigravity

agy mcp add groundrules https://law.agentlookups.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"groundrules","server_url":"https://law.agentlookups.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"groundrules","server_url":"https://law.agentlookups.ai/mcp"}

law_coverage ~123 tokens
Per-source coverage: what we host, section counts, current-through or vintage, last_verified, and a stale flag for any source the recurring verify has proven behind its upstream. Machine-generated from the build manifest; never hand-typed. Absence from this list means we do not host that jurisdictio
law_for_location ~169 tokens
Resolve an address or lat/lon to its full jurisdiction stack: federal, state, county, place, each with its code sources (name, publisher, official URL, current-through, whether we host its text). Unincorporated areas get the county code with no city code; about half of US municipalities publish no c
law_get_section ~231 tokens
Fetch full verbatim text by id or citation, or pass references for a batch of up to 10. Each batch item has its own result/error. Includes provenance (official source URL, current-through or vintage label, retrieval time), parent path, and prev/next siblings. The text is reproduced exactly as publis
law_search ~476 tokens
Search original law by topic, question, or citation. Exact citations resolve directly. Scoped by jurisdiction or source ids (e.g. us, us-tx; us-cfr scopes to the CFR alone, us covers both the US Code and the CFR) or by an address (the address is resolved first, then the search covers exactly its sta

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