MCP server

MyLastWill Official

org.mylastwill/mylastwill

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

Free U.S. wills, codicils and charitable bequest wording, plus will-signing rules for every state.

Website

At a glance

Type

MCP server

Publisher

mylastwill.org (verified by the MCP Registry)

Status

Working at last check

Tools

10

Token cost

About 5,730 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 mylastwill https://mylastwill.org/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.mylastwill]
url = "https://mylastwill.org/mcp"

Gemini CLI

{"mcpServers":{"mylastwill":{"httpUrl":"https://mylastwill.org/mcp"}}}

Cursor

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

VS Code

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

Antigravity

agy mcp add mylastwill https://mylastwill.org/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":"mylastwill","server_url":"https://mylastwill.org/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mylastwill","server_url":"https://mylastwill.org/mcp"}

Tools

• add_charity_to_existing_will ~1154 tokens
  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 Louisiana and North Ca
• charity_beneficiary_designations ~1029 tokens
  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 tax-efficient assets to le
• create_will ~1635 tokens
  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 plain-English summar
• estimate_estate_tax ~366 tokens
  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 married couples it assu
• fetch ~76 tokens
  Fetch the full text of a guide, state page, FAQ answer or glossary entry by the id returned from search.
• get_bequest_language ~874 tokens
  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 ~132 tokens
  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.
• list_causes ~86 tokens
  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.
• lookup_charity ~276 tokens
  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 beneficiary form, because many
• search ~102 tokens
  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.

Browse

• Legal research

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