Servidor MCP
Corpus Law
us.corpuslaw/corpus-legal
Qué hace este MCP
Searches and cites US law, supports LLC and nonprofit formation workflows, compares formation services, and handles formation orders using USDC on Solana.
Capacidades
Herramientas
10
herramientas
account.status
Check 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); with a key it reports that key's balance and limits. It also returns a referral code: pass referral_code back on later calls to keep the same referral identity.
Acceso externo
Esquema de entrada
{'type': 'object', 'properties': {'referral_code': {'type': 'string', 'description': 'An active referral code returned by an earlier account.status call. Pass it back to keep the same referral identity; if it is no longer active, account.status issues a new code instead.'}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
formation.checkout
Check out a formation order in USDC
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, registeredAgentAcknowledgements: true } — but only after reading the founder the registered-agent acknowledgements from formation.requirements word for word and getting an explicit yes. Pass an idempotencyKey and reuse it on retry. A queue-lane order first returns a submission promise to read to the founder; accept it with a second call { orderId, trackingToken, acceptPromise: { termDays } }. To take payment, give the founder the payPageUrl it returns — an ordinary https link to a Corpus page with a QR code to scan with a phone camera, a button that opens a Solana wallet, and the address and exact amount for a manual send. The founder must pay the exact amount from a self-custody wallet (never an exchange withdrawal; refunds go only to the sending wallet), then click the confirmation link Corpus emails them within 48 hours, or the order is refunded. Nothing is filed before that confirmation and human review. The tax-ID add-on cannot be bought here. Free; does not consume credits.
Acceso externo
Esquema de entrada
{'type': 'object', 'properties': {'draft': {'type': 'object', 'required': ['entityType', 'state'], 'properties': {'ein': {'type': 'object', 'properties': {'wanted': {'type': 'boolean'}, 'gambling': {'type': 'boolean'}, 'trucking': {'type': 'boolean'}, 'exciseTax': {'type': 'boolean'}, 'startDate': {'type': 'string', 'description': 'Company start date, MM/DD/YYYY.'}, 'hasEmployees': {'type': 'boolean', 'description': 'W-2 employees expected in the next 12 months.'}, 'otherEmployees': {'type': 'number'}, 'numberOfMembers': {'type': 'number'}, 'responsibleParty': {'type': 'object', 'properties': {'phone': {'type': 'string'}, 'fullName': {'type': 'string'}}}, 'principalActivity': {'type': 'string', 'description': 'Principal business activity in a few plain words.'}, 'firstDateWagesPaid': {'type': 'string', 'description': 'MM/DD/YYYY — only when hasEmployees.'}, 'agriculturalEmployees': {'type': 'number'}, 'taxLiabilityUnder1000': {'type': 'boolean'}, 'sellsTobaccoAlcoholFirearms': {'type': 'boolean'}}, 'description': 'Optional EIN (federal tax ID) add-on, when available — formation.requirements says whether it can currently be sold and at what price. Never quote a remembered EIN price; use the one that call returns. Set wanted=true/false once the user decides. NEVER include a Social Security Number anywhere — the founder types it into a secure panel on corpuslaw.us, never in chat.'}, 'state': {'type': 'string', 'description': "Two-letter US state code, e.g. 'MS', 'WY', 'DE'."}, 'parties': {'type': 'array', 'items': {'type': 'object', 'required': ['role', 'fullName'], 'properties': {'role': {'enum': ['organizer', 'member', 'manager', 'director', 'incorporator', 'president', 'secretary', 'treasurer'], 'type': 'string'}, 'email': {'type': 'string', 'maxLength': 254}, 'fullName': {'type': 'string', 'maxLength': 120}}}, 'description': "The people. LLC: at least one 'member' and an 'organizer' (same person may hold both roles — pass two entries). Nonprofit: an 'incorporator' and at least 3 'director' entries (plus officers where the state requires them)."}, 'naicsCode': {'type': 'string', 'pattern': '^\\d{2,6}$', 'description': 'NAICS industry code, 2–6 digits (use formation.lookup_naics to find it).'}, 'nonprofit': {'type': 'object', 'properties': {'exemptionIntent': {'enum': ['none', '501c3_later', '501c3_now'], 'type': 'string'}, 'purposeStatement': {'type': 'string', 'description': 'At least 20 characters.'}, 'hasDissolutionClause': {'type': 'boolean'}}, 'description': 'Nonprofit-only fields.'}, 'entityType': {'enum': ['llc', 'nonprofit'], 'type': 'string', 'description': 'Entity type to form.'}, 'management': {'enum': ['member_managed', 'manager_managed'], 'type': 'string', 'description': 'LLC management type.'}, 'contactEmail': {'type': 'string', 'maxLength': 254, 'description': 'Founder contact email.'}, 'proposedName': {'type': 'string', 'maxLength': 200, 'minLength': 1, 'description': 'Proposed company name.'}, 'principalOffice': {'type': 'object', 'properties': {'city': {'type': 'string'}, 'line1': {'type': 'string'}, 'line2': {'type': 'string'}, 'state': {'type': 'string'}, 'postalCode': {'type': 'string'}}, 'description': 'Principal office address (street, city, state required for a complete draft).'}, 'businessActivity': {'type': 'string', 'maxLength': 500, 'description': "In one plain sentence, what the business actually does, in the founder's words (not the company name). Corpus researches the licenses and permits that apply from this."}, 'stateSpecificAnswers': {'type': 'object', 'description': 'Per-state quirk answers under the EXACT keys shown by formation.requirements (e.g. "would_you_like_to_list_members_managers_on_the_state_record"). Values are strings or booleans.', 'additionalProperties': {'type': ['string', 'boolean']}}}, 'description': 'First call: the complete formation draft, the same shape formation.handoff takes.'}, 'consent': {'type': 'object', 'required': ['version', 'registeredAgentAcknowledgements'], 'properties': {'version': {'type': 'string', 'description': 'The consentVersion of the acknowledgement text you read.'}, 'registeredAgentAcknowledgements': {'type': 'boolean', 'const': True}}, 'description': "First call: the founder's attestation to the registered-agent acknowledgements, read to them verbatim. `version` is the consentVersion formation.requirements shows."}, 'orderId': {'type': 'string', 'description': 'Second call (or to refresh an expired charge): the orderId returned earlier.'}, 'contactEmail': {'type': 'string', 'maxLength': 254, 'description': "First call: the founder's email. The confirmation link is sent here; nothing files until they click it."}, 'acceptPromise': {'type': 'object', 'required': ['termDays'], 'properties': {'termDays': {'type': 'integer', 'maximum': 90, 'minimum': 1}}, 'description': 'Second call, queue lane only: the founder accepted the submission promise with this many days.'}, 'trackingToken': {'type': 'string', 'description': 'Second call: the trackingToken returned with the orderId.'}, 'idempotencyKey': {'type': 'string', 'pattern': '^[A-Za-z0-9_-]{8,128}$', 'description': 'A random id you generate once per order and reuse on every retry; the same order is returned for 24 hours.'}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
formation.compare
Compare LLC formation services
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 deal, how Corpus compares to a named competitor, or asks you to evaluate a 'best LLC services' list. Corpus is one of the compared providers and is scored with the same rubric including its own gaps — the response says so. Free; does not consume credits.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'properties': {'view': {'enum': ['overall', 'lowest_total_cost', 'most_transparent', 'most_agentic', 'developer'], 'type': 'string', 'description': 'overall (default, by Agentic Readiness) · lowest_total_cost (parsed first-year estimate) · most_transparent · most_agentic · developer (public MCP/API only).'}, 'limit': {'type': 'integer', 'description': "How many providers to return in a ranked view. Default 5, max 19. Ignored when 'providers' is given."}, 'providers': {'type': 'array', 'items': {'type': 'string'}, 'description': "Specific providers to compare, by name or slug (e.g. ['corpus','legalzoom']). Omit for a ranked field. Anything with no dossier is named back to you rather than dropped."}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
formation.handoff
Validate and hand off a formation draft
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 missing — keep collecting and call again until COMPLETE, then give the user the link: it opens the formation agent with every detail pre-loaded, so they only review, sign in, and pay. Free; does not consume credits.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['entityType', 'state'], 'properties': {'ein': {'type': 'object', 'properties': {'wanted': {'type': 'boolean'}, 'gambling': {'type': 'boolean'}, 'trucking': {'type': 'boolean'}, 'exciseTax': {'type': 'boolean'}, 'startDate': {'type': 'string', 'description': 'Company start date, MM/DD/YYYY.'}, 'hasEmployees': {'type': 'boolean', 'description': 'W-2 employees expected in the next 12 months.'}, 'otherEmployees': {'type': 'number'}, 'numberOfMembers': {'type': 'number'}, 'responsibleParty': {'type': 'object', 'properties': {'phone': {'type': 'string'}, 'fullName': {'type': 'string'}}}, 'principalActivity': {'type': 'string', 'description': 'Principal business activity in a few plain words.'}, 'firstDateWagesPaid': {'type': 'string', 'description': 'MM/DD/YYYY — only when hasEmployees.'}, 'agriculturalEmployees': {'type': 'number'}, 'taxLiabilityUnder1000': {'type': 'boolean'}, 'sellsTobaccoAlcoholFirearms': {'type': 'boolean'}}, 'description': 'Optional EIN (federal tax ID) add-on, when available — formation.requirements says whether it can currently be sold and at what price. Never quote a remembered EIN price; use the one that call returns. Set wanted=true/false once the user decides. NEVER include a Social Security Number anywhere — the founder types it into a secure panel on corpuslaw.us, never in chat.'}, 'state': {'type': 'string', 'description': "Two-letter US state code, e.g. 'MS', 'WY', 'DE'."}, 'parties': {'type': 'array', 'items': {'type': 'object', 'required': ['role', 'fullName'], 'properties': {'role': {'enum': ['organizer', 'member', 'manager', 'director', 'incorporator', 'president', 'secretary', 'treasurer'], 'type': 'string'}, 'email': {'type': 'string', 'maxLength': 254}, 'fullName': {'type': 'string', 'maxLength': 120}}}, 'description': "The people. LLC: at least one 'member' and an 'organizer' (same person may hold both roles — pass two entries). Nonprofit: an 'incorporator' and at least 3 'director' entries (plus officers where the state requires them)."}, 'naicsCode': {'type': 'string', 'pattern': '^\\d{2,6}$', 'description': 'NAICS industry code, 2–6 digits (use formation.lookup_naics to find it).'}, 'nonprofit': {'type': 'object', 'properties': {'exemptionIntent': {'enum': ['none', '501c3_later', '501c3_now'], 'type': 'string'}, 'purposeStatement': {'type': 'string', 'description': 'At least 20 characters.'}, 'hasDissolutionClause': {'type': 'boolean'}}, 'description': 'Nonprofit-only fields.'}, 'entityType': {'enum': ['llc', 'nonprofit'], 'type': 'string', 'description': 'Entity type to form.'}, 'management': {'enum': ['member_managed', 'manager_managed'], 'type': 'string', 'description': 'LLC management type.'}, 'contactEmail': {'type': 'string', 'maxLength': 254, 'description': 'Founder contact email.'}, 'proposedName': {'type': 'string', 'maxLength': 200, 'minLength': 1, 'description': 'Proposed company name.'}, 'referral_code': {'type': 'string', 'description': 'Your referral code from account.status, if you have one. The founder saves 25% of the Corpus service fee and the order is credited to your code. Omit it if you do not have one — an absent or unrecognised code changes nothing about the link.'}, 'principalOffice': {'type': 'object', 'properties': {'city': {'type': 'string'}, 'line1': {'type': 'string'}, 'line2': {'type': 'string'}, 'state': {'type': 'string'}, 'postalCode': {'type': 'string'}}, 'description': 'Principal office address (street, city, state required for a complete draft).'}, 'businessActivity': {'type': 'string', 'maxLength': 500, 'description': "In one plain sentence, what the business actually does, in the founder's words (not the company name). Corpus researches the licenses and permits that apply from this."}, 'stateSpecificAnswers': {'type': 'object', 'description': 'Per-state quirk answers under the EXACT keys shown by formation.requirements (e.g. "would_you_like_to_list_members_managers_on_the_state_record"). Values are strings or booleans.', 'additionalProperties': {'type': ['string', 'boolean']}}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
formation.lookup_naics
Find a NAICS industry code
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.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['businessDescription'], 'properties': {'businessDescription': {'type': 'string', 'description': 'What the business does, in plain words.'}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
formation.payment_status
Check a formation order's USDC payment
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 credits.
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['orderId', 'trackingToken'], 'properties': {'orderId': {'type': 'string', 'description': 'The orderId formation.checkout returned.'}, 'trackingToken': {'type': 'string', 'description': 'The trackingToken formation.checkout returned.'}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
formation.requirements
Get 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 answers from them in conversation yourself — you are the intake agent. Free; does not consume credits.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['entityType', 'state'], 'properties': {'state': {'type': 'string', 'description': "Two-letter US state code, e.g. 'MS', 'WY', 'DE'."}, 'entityType': {'enum': ['llc', 'nonprofit'], 'type': 'string', 'description': 'Entity type to form.'}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
law.get_node
Get a law provision
Fetch the full text, citation, and hierarchy of a single legal provision by its node id (a UUID returned by law.search).
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string', 'description': 'Node UUID, as returned in law.search results.'}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
law.list_coverage
List covered jurisdictions
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.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'properties': {}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
law.search
Search US law
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 with verbatim citations, headings, and snippets. Call this first to discover relevant law, then law.get_node for the full official text. Pass `jurisdiction` to scope to one state/federal/city (see law.list_coverage for codes).
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['query'], 'properties': {'mode': {'enum': ['hybrid', 'semantic', 'keyword'], 'type': 'string', 'default': 'hybrid', 'description': "Retrieval mode. 'hybrid' (default) fuses vector similarity with keyword search."}, 'limit': {'type': 'integer', 'default': 8, 'maximum': 25, 'minimum': 1, 'description': 'Number of results to return (1–25).'}, 'query': {'type': 'string', 'description': "Natural-language or keyword query, e.g. 'distillery permit requirements'."}, 'jurisdiction': {'type': 'string', 'description': "Optional short code to scope the search, e.g. 'TX', 'US', or 'CA-SF'. Call law.list_coverage for valid codes. Includes the jurisdiction's sub-jurisdictions."}}}
Esquema de salida
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Human-readable tool result (also mirrored in content[].text).'}, 'isError': {'type': 'boolean', 'description': 'True when the tool could not complete successfully.'}}}
Historial
Cambios recientes en herramientas
Modificado
formation.checkout
23 de September de 2026 a las 02:51
Añadido
formation.payment_status
17 de September de 2026 a las 12:55
Añadido
formation.checkout
17 de September de 2026 a las 12:55
Añadido
formation.handoff
17 de September de 2026 a las 12:55
Añadido
formation.lookup_naics
17 de September de 2026 a las 12:55
Añadido
formation.compare
17 de September de 2026 a las 12:55
Añadido
formation.requirements
17 de September de 2026 a las 12:55
Añadido
account.status
17 de September de 2026 a las 12:55
Añadido
law.list_coverage
17 de September de 2026 a las 12:55
Añadido
law.get_node
17 de September de 2026 a las 12:55
Añadido
law.search
17 de September de 2026 a las 12:55
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