MyLastWill

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "mylastwill": {
      "type": "http",
      "url": "https://mylastwill.org/mcp"
    }
  }
}

10 tools

• create_will

  Draft a complete U.S. last will and testament, optionally with charitable gifts to causes the person chooses. For people who want to make, write or update a will. Every name and fact in the input comes from the person. Returns the will text, a state-specific signing checklist, a…

• add_charity_to_existing_will

  Draft a codicil (a short signed amendment) that adds a charitable gift to a will the person already has, plus gift wording to give their attorney. Use when someone already has a will and wants to leave a percentage or dollar amount to causes or charities. Not legal advice; for…

• charity_beneficiary_designations

  Prepare instructions for naming charities as beneficiaries of retirement accounts, life insurance, bank (payable-on-death) or brokerage (transfer-on-death) accounts, with the percentages to write on each form. No will needed. Traditional IRAs and 401(k)s are often the most…

• get_bequest_language

  Return sample bequest wording for a will or trust that gives a percentage or dollar amount to causes or named charities, for the person or their attorney to adapt. Use for quick questions like "how do I word a gift to charity in my will?"

• get_state_will_requirements

  Look up how to sign a valid will in a U.S. state: witnesses, notarization and self-proving affidavits, handwritten (holographic) wills, electronic wills and remote online notarization, plus the state's estate or inheritance tax, with statute links.

• lookup_charity

  Find a U.S. charity's exact legal name, EIN (federal tax ID), city and state, and 501(c)(3) status from IRS filings (via ProPublica Nonprofit Explorer), with ready-to-use bequest and beneficiary-form wording. Helpful before a specific charity is named in a will or on a…

• estimate_estate_tax

  Estimate U.S. federal estate tax for the current year and whether the person's state estate or inheritance tax may apply, including how much a charitable gift in the will saves. Federal tax is 40% of the taxable estate above the exemption ($15 million per person in 2026). For…

• list_causes

  List the cause areas MyLastWill supports for charitable gifts (e.g. cancer research, rare diseases, education, animal welfare, global health), with what each gift would be used for.

• search

  Search MyLastWill.org's plain-English guides, state will requirements, FAQ and glossary about wills, estates, charitable bequests, estate tax and online signing. Returns result ids for fetch.

• fetch

  Fetch the full text of a guide, state page, FAQ answer or glossary entry by the id returned from search.

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