Claude is useful for speeches in three places: finding the single story worth telling, cutting a draft to fit a slot, and marking the text up so you know where to breathe. It is weak at the one thing that makes a speech land, which is sounding like you. Its default is a polished essay that you would never say out loud. Work in four passes (intake, structure, draft, read-aloud revision), give it three to five sentences you have really spoken, and hand it a word budget instead of a minute count, because it cannot hear you talk.
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- What do you give it before it writes a word?
- How do you make a speech fit a ten-minute slot, or a three-minute one?
- How is a toast built differently from a keynote?
- How do you stop it sounding like a greeting card?
- Another route for a one-off speech
- Where does Claude fail at this?
- Which speech tool fits which job?
- How do you install a speechwriting skill in Claude?
- Related guides
- Frequently asked questions
We follow one invented example throughout: Dana, giving a three-and-a-half-minute toast at her brother Tom's wedding, 90 guests, both sets of grandparents present. Every detail about them is made up for illustration.
Speechwriter AI Skill - Cosgrove
Get Speechwriter AI Skill - Cosgrove →What do you give it before it writes a word?
Ask for "a funny speech for my brother's wedding" and you get remarks anyone could give at any wedding. Four inputs are ones Claude cannot guess:
The room. Who is listening and who should not be embarrassed. Dana's room includes grandparents who do not know the story of the borrowed car.
The slot. The minutes you have been given, and whether there is a microphone or just a raised glass.
One true story. A real moment with a place and a name in it. Claude can shape a story, but it cannot remember one, and if you do not supply it, it will make one up.
Your voice. Three to five sentences you have actually said out loud: from a voice note, a text message you wrote in a hurry, a toast you gave once. These beat any adjective: "warm but funny" tells it nothing, while your own sentences show how long you let a thought run.
Start with an intake step so the draft is not built on assumptions:
The cap on questions matters; without it Claude asks fifteen. The voice summary is the checkpoint: if it says "formal, eloquent", your samples were too clean, so paste a messier one.
How do you make a speech fit a ten-minute slot, or a three-minute one?
Do not tell Claude "make it three minutes". It has no clock and no mouth, and its estimate will drift by a minute or more. Measure yourself instead: read any 200 words of your own writing aloud, standing, at the pace you will use on the day, and time it. Divide to get your words per minute. Your number is the only one that counts, and a toast with pauses and laughter runs slower than a read-through. The AI Speech Generator below plans at 110 and 130 words per minute.
Then give Claude a word budget with two cut points:
Two marked cuts beat any amount of trimming, because events run late and you will not rewrite on your feet. Check the word count yourself in a document.
How is a toast built differently from a keynote?
The same four paragraphs do not work for every occasion, and this is where a general chat tends to flatten everything into "opening, three points, closing".
A toast is one story and one turn: open on the image, tell the story with names and a place, turn it in one sentence toward the couple, then lift the glass. A wedding speech can carry more feeling but still only one thread. A business talk is built the other way round: the point first, because colleagues are checking their phones, then two or three proofs, then a call to act. A eulogy needs a plain voice and permission to go slowly.
Ask Claude to propose a structure and defend it before it writes prose:
The [ASK ME] instruction is how you stop invented memories. Without it, Claude will cheerfully supply that you "once drove six hours to a lake" because it makes a good beat.
How do you stop it sounding like a greeting card?
Ban the phrases by name. Claude's speech register is built from ceremonial writing: "we are gathered here today", "love is not just a feeling, it is a choice", a famous quote in the second paragraph. Tell it to avoid those, and require short sentences that survive a single breath.
Finish with the pass that matters most, the read-aloud revision. Draft, then paste it back:
Run the result aloud yourself, standing up, with a timer, and edit by hand. That step cannot be delegated.
What the output looks like (illustration only)
Invented lines for Dana's toast, to show the markup:
Another route for a one-off speech
For a single speech with no setup
AI Speech Generator · $5
Paste one prompt, say the occasion, the room, the minutes and one true story, and it returns the speech with pause and emphasis marks, a word count with running time at 110 and 130 wpm, and two marked cuts. Per its product page, it never invents a quote, a number or a memory.
Where does Claude fail at this?
It invents the anecdote. Ask for "a personal story" and it writes one, with a lake, a sibling and a lesson, and you end up reading out a memory that never happened. Feed it real material only.
It cannot tell whether a joke works in a room. A joke about the in-laws that looks safe on the page can land very differently with the grandparents present. Have one honest person hear the speech first.
It writes for the eye. A sentence with two subordinate clauses reads well and leaves you out of breath at the second comma. That is why the read-aloud pass exists.
It smooths out your voice. If you speak in fragments and dry understatement, the draft drifts toward balanced, slightly grand prose. Re-paste your three real sentences whenever it feels like someone else's.
It cannot know what the room knows: that a topic is raw this year, that two guests are not speaking. These are your calls.
Its timing is a guess until you read the text aloud with a timer.
It over-quotes. A famous line from a poem or film in your closing is a cliche within seconds. If a quotation helps, you choose it and check the source.
For a eulogy, use Claude for structure and trimming only, and keep the memories and the wording yours.
Which speech tool fits which job?
| Tool | Best for | Price |
|---|---|---|
| Cosgrove - Speechwriter AI Skill | A speech that must sound like one real speaker: intake, structure, timed draft, delivery notes | $19 |
| AI Speech Generator | A fast, timed, marked-up speech for a toast, leaving do or conference slot | $5 |
How do you install a speechwriting skill in Claude?
With an All-in-one subscription there is nothing to download. Add KissMySkills to Claude once as a connector: open Customize → Connectors, click +, then Add custom connector, and paste https://mcp.kissmyskills.com/mcp. Sign in with your email, then ask for the skill by name, for example "load Cosgrove". The same connector works in ChatGPT, Claude Code, Codex and Cursor; the step-by-step setup for each is on the connector page. Signing in is free, and your first skill call starts a 7-day free trial with every skill.
Bought the single file? You download one .skill file, which is a ZIP archive with SKILL.md inside. In Claude, turn on code execution under Settings → Capabilities, then open Customize → Skills, click +, choose Upload a skill, pick the file as it is and toggle the skill on. In ChatGPT, Gemini or another chat, open the file as a ZIP and paste the contents of SKILL.md into custom instructions. The AI Speech Generator is a .txt prompt: copy it into a Project or a new chat.
Need more than one specialist?
Buying Speechwriter AI Skill - Cosgrove gets you one file. The All-in-one subscription loads every skill in the catalog through one connector, in Claude, ChatGPT Business, Enterprise or Edu, Claude Code, Codex or Cursor, and keeps each skill updated when we improve it. $12 a month or $69 a year, with 7 days free and every skill included.
Start the free trial → Why a subscription beats buying filesRelated guides
- How to Use Claude as a Ghostwriter
- How to Use Claude as a Scriptwriter
- How to Write an Elevator Pitch
- How to Use Claude for PowerPoint Presentations
Frequently asked questions
Is there a Claude skill for speechwriting?
Yes. Cosgrove - Speechwriter AI Skill ($19) interviews you for your real voice, proposes a structure for the occasion, writes a draft to your time slot and returns delivery notes with pauses and emphasis. For a quicker, cheaper route, the AI Speech Generator ($5) is a prompt that returns a marked-up speech with a word count and two cuts.
Can Claude write a wedding toast or best man speech?
It can draft and tighten one, but the story has to be yours. Give it one true anecdote with names and a place, three real sentences you have said, and a word budget. It will shape the structure and mark the pauses. It will invent a memory if you ask for a story without supplying one, so tell it to put [ASK ME] wherever a detail is missing.
How do I make Claude write a speech of an exact length?
Do not ask for minutes. Time yourself reading 200 words aloud to get your words per minute, then give Claude a word budget and ask for two optional cuts. Count the words yourself in a document and read the final text aloud with a timer, because Claude cannot hear your pace.
What is Claude bad at when writing speeches?
It invents anecdotes, cannot judge whether a joke works with a specific audience, writes sentences that look good but are hard to say in one breath, and pulls your voice toward generic ceremonial language. Re-paste your own spoken sentences, run a read-aloud revision pass and have one honest person hear it before the day.
Can I use Claude for a eulogy?
Use it for structure, trimming and a read-aloud check, not for the memories or the wording. Keep the draft short and plain, include only what you know to be true, and have a trusted person read it first. This guide is writing help, not a substitute for the support you may need around a loss.
Speechwriter AI Skill - Cosgrove
Or get it with every other skill in All-in-one: $12/month, 7 days free, every skill.