{"openapi":"3.1.0","info":{"title":"LLCKit API","version":"0.1.0","description":"A fully local US LLC/business-formation reference: general formation steps, a dated 50-state + DC filing-fee/annual-report table, an entity-type comparison, an annual-compliance checklist, registered-agent requirements, an estimated first-year cost calculator, and a glossary. General information, not legal or financial advice.\n\nEvery operation is read-only or compute-only. The same tools are available over MCP (streamable HTTP) at https://llckit.connectorbay.com/mcp.","contact":{"name":"Unify Dynamics LLC","email":"hr@unifydynamics.com","url":"https://connectorbay.com/llckit/docs"},"termsOfService":"https://connectorbay.com/llckit/terms"},"servers":[{"url":"https://llckit.connectorbay.com"}],"externalDocs":{"url":"https://connectorbay.com/llckit/docs"},"security":[{},{"bearer":[]}],"components":{"securitySchemes":{"bearer":{"type":"http","scheme":"bearer","description":"Optional. A Pro API key raises rate limits; no credentials are required."}},"schemas":{"Error":{"type":"object","properties":{"ok":{"const":false},"error":{"type":"object"}}}}},"paths":{"/v1/tools/llc_formation_steps":{"post":{"operationId":"llc_formation_steps","summary":"The general steps to form a US LLC, in typical order (name, registered agent, Articles of","description":"The general steps to form a US LLC, in typical order (name, registered agent, Articles of\n    Organization, EIN, operating agreement, bank account, taxes/licenses, ongoing compliance). Applies\n    broadly across states. Use for \"how do I form an LLC\", \"what are the steps to start an LLC\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{},"title":"llc_formation_stepsArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/state_llc_filing_fees":{"post":{"operationId":"state_llc_filing_fees","summary":"Looks up the approximate, dated LLC Articles-of-Organization filing fee and ongoing annual/biennial","description":"Looks up the approximate, dated LLC Articles-of-Organization filing fee and ongoing annual/biennial\n    report fee for one US state, or the full 50-state + DC table with 'all'. Use for \"what does it cost to\n    file an LLC in Texas\", \"which states have the cheapest LLC filing fee\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"state":{"description":"A 2-letter USPS state code (e.g. 'DE'), a full state name, or 'all' for the full table.","minLength":1,"title":"State","type":"string"}},"required":["state"],"title":"state_llc_filing_feesArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/entity_type_comparison":{"post":{"operationId":"entity_type_comparison","summary":"Structural, tax, and liability tradeoffs between sole proprietorship, LLC, S-corp (a tax election),","description":"Structural, tax, and liability tradeoffs between sole proprietorship, LLC, S-corp (a tax election),\n    and C-corp. Use for \"LLC vs S-corp vs sole proprietorship\", \"should I elect S-corp taxation\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"entity_type":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"sole-proprietorship | llc | s-corp | c-corp; omit for the full comparison.","title":"Entity Type"}},"title":"entity_type_comparisonArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/annual_compliance_checklist":{"post":{"operationId":"annual_compliance_checklist","summary":"The recurring compliance items an LLC generally has to keep up with after formation (annual/biennial","description":"The recurring compliance items an LLC generally has to keep up with after formation (annual/biennial\n    report, franchise tax, registered-agent upkeep, license renewals, foreign qualification). Use for \"what\n    do I need to do every year to keep my LLC in good standing\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"state":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Optional state to include its specific report fee/frequency.","title":"State"}},"title":"annual_compliance_checklistArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/registered_agent_requirements":{"post":{"operationId":"registered_agent_requirements","summary":"Explains the near-universal registered-agent requirement: what it is, who can serve, and the","description":"Explains the near-universal registered-agent requirement: what it is, who can serve, and the\n    tradeoffs of being your own agent versus a commercial service. Use for \"do I need a registered agent\",\n    \"can I be my own registered agent\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{},"title":"registered_agent_requirementsArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/estimated_first_year_cost":{"post":{"operationId":"estimated_first_year_cost","summary":"Adds up an approximate first-year cost: the state's filing fee, its first annual/biennial report","description":"Adds up an approximate first-year cost: the state's filing fee, its first annual/biennial report\n    fee, and optional registered-agent/expedited costs. Excludes attorney fees, licenses, and franchise/\n    income tax. Use for \"roughly what will it cost me to form and maintain an LLC in Florida this year\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"state":{"description":"A 2-letter USPS state code or full state name.","minLength":1,"title":"State","type":"string"},"use_registered_agent_service":{"default":false,"description":"Whether to include a commercial registered-agent service fee.","title":"Use Registered Agent Service","type":"boolean"},"registered_agent_annual_cost_usd":{"default":125.0,"description":"Assumed annual cost of a commercial registered-agent service.","minimum":0,"title":"Registered Agent Annual Cost Usd","type":"number"},"expedited_filing_cost_usd":{"default":0.0,"description":"Optional state expedited-processing fee.","minimum":0,"title":"Expedited Filing Cost Usd","type":"number"}},"required":["state"],"title":"estimated_first_year_costArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/llc_glossary":{"post":{"operationId":"llc_glossary","summary":"Definitions of common LLC/business-formation terms (EIN, Articles of Organization, operating","description":"Definitions of common LLC/business-formation terms (EIN, Articles of Organization, operating\n    agreement, registered agent, pass-through taxation, piercing the corporate veil, foreign qualification,\n    franchise tax, good standing). Use for \"what does piercing the corporate veil mean\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"term":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"A term to define, or omit for the full glossary.","title":"Term"}},"title":"llc_glossaryArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}}}}