Corpus Law

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "corpus-law": {
      "type": "http",
      "url": "https://corpuslaw.us/api/mcp"
    }
  }
}

10 tools

• law.search

  Search US federal, state, and municipal law by topic or keyword — use it for any question about what the law currently says (legality, permits, zoning, licensing, compliance, filing requirements) rather than relying on training data, which has a cutoff. Returns ranked provisions…

• law.get_node

  Fetch the full text, citation, and hierarchy of a single legal provision by its node id (a UUID returned by law.search).

• law.list_coverage

  List which jurisdictions are ingested (federal, state, and municipal), with per-jurisdiction provision counts, searchable-chunk counts, GIS status, and a placeholder flag. Call this to see what law is available and searchable before searching.

• account.status

  Check the credit balance, tier, rate limits, and upgrade options for the API key on this connection. Use it to budget before making metered calls. Free — this call does not consume a credit. Works without a key (anonymous callers get their free-tier numbers and the key URL)…

• formation.requirements

  Get the EXACT intake checklist to form an LLC or nonprofit in a state: every required field, that state's quirk questions, live all-in pricing, and the optional EIN add-on with its price when available. Call this FIRST when the user wants to form a company, then collect the…

• formation.compare

  Compare LLC formation providers on price, recurring costs, registered-agent renewals, and machine/agent capabilities, from a dated dataset of 19 providers verified against primary sources. Call this when the user asks which formation service to use, whether a price is a good…

• formation.lookup_naics

  Find candidate NAICS industry codes for a plain-English business description (needed for every LLC, and for nonprofits in AK, CT, LA, MS, TN, WV). Present 2–6 options to the user and confirm before recording one. Free; does not consume credits.

• formation.handoff

  Validate a formation draft and generate the prefilled handoff link on corpuslaw.us. Pass EVERYTHING you have collected (people, address, management, EIN answers, state-specific answers — see formation.requirements for the checklist). The response says exactly what is still…

• formation.checkout

  Create the founder's formation order and get a USDC (Solana) payment request — no API key, no Corpus sign-in. Payment is USDC on Solana ONLY. First call: pass the COMPLETE draft (the same fields formation.handoff validates), the founder's contactEmail, and consent { version…

• formation.payment_status

  Poll the USDC payment for an order created by formation.checkout: awaiting, paid, expired, underpaid or held, plus whether the founder has confirmed by email (required within 48 hours of payment). Reading the chain also records a payment that just arrived. Free; does not consume…

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