9 Claude prompts every founder should have ready before pitching
A founder I work with has three Claude tabs open during every fundraising day. One is for deck iteration. One is for partner research. One is for cold email drafting. She closed her seed in 11 weeks.
The leverage is not magic. It is having the right prompts ready when the question shows up, instead of figuring out what to ask in the moment.
Below are 9 Claude prompts that handle the highest-friction parts of a raise. They are framed for Claude (Sonnet 4.5 or 4.7) but most work in any frontier LLM. Use them as scaffolding; adapt the specifics to your situation.
1. Score my deck on the 8 dimensions VCs evaluate
Attach your full pitch deck PDF, then paste this:
"I am raising a {seed / Series A / etc.} round of {amount}. Score my pitch deck on each of these 8 dimensions on a scale of 0 to 10, with reasoning for each score: market, traction, business model, team, problem, product, competition, ask. After scoring all 8, tell me which dimension is lowest and what specifically would need to change in that one slide to lift the score by 2 points."
This is the highest-ROI single prompt in fundraising. It takes 30 seconds and produces a sharper read than most accelerators.
The "lift the score by 2 points" framing matters. It forces Claude to give specific actionable feedback instead of vague "consider adding more detail."
2. Find the connection between my startup and a specific partner's recent investments
"Below is a partner's bio and 3 of their recent investments. My startup does {one-sentence description with specific numbers}. Find the strongest connection between my startup and one of these investments. The connection should be specific (not 'both are technology companies') and useful enough to be the first line of a cold email. If no strong connection exists, say so plainly."
[Paste the partner bio + 3 investments below]
Use this before writing any cold email. It does the research that most founders skip and that makes the difference between a generic cold email (1-3% reply rate) and a specific one (8-15%).
The "if no strong connection exists, say so" line is critical. Otherwise Claude will manufacture connections. You want the honest answer, even when the answer is "this partner is the wrong target."
3. Draft the cold email itself
"Below is a partner's name, firm, thesis, and one of their recent investments. My startup does {one-sentence description with specific numbers}. The connection between us and that investment is {paste connection from prompt 2}.
Draft a cold email that follows this 5-line structure: Line 1: open with the specific connection. Line 2: who I am, with one verifiable artifact (no adjectives). Line 3: what we are doing, with three specific numbers (revenue, growth, team or customer count). Line 4: why now and why them, referencing one specific portfolio company. Line 5: an ask with two specific time blocks.
The whole email must be under 120 words including signature. Do not use em-dashes. Do not use phrases like 'I hope this email finds you well' or 'we are revolutionizing.' Match the tone of a senior operator writing to another senior operator."
This produces emails that pass the 90-second read test. Generate one per partner; do not batch.
4. The mock partner Q and A
"I am pitching {your startup, with deck attached or pasted in below} to a {seed / Series A} partner who has expressed soft interest. Roleplay as a sceptical partner. Generate the 12 hardest questions you would ask in a 30-minute first call, ordered by how often each comes up in real first calls. For each question, also tell me what the partner is actually trying to learn (the meta-question behind the surface question)."
The "meta-question" framing is what makes this prompt useful. Most founders prepare answers to surface questions and miss the underlying concern. Claude is good at identifying both layers.
Run this 24 hours before the call. Spend 90 minutes drafting your answers. The single best prep tool I know.
5. Decode a vague pass
"A VC sent me this email after our pitch: {paste the email}. Tell me honestly what this is, in 2 sentences. Is it a soft pass, a hard pass, or a real maybe? What is the underlying reason if you can read between the lines? What is the right reply, if any?"
VC pass emails are coded language. Claude reads them better than most founders do. The honest read here saves weeks of false hope or premature giving up.
6. Build my investor list from my deck
"Below is my pitch deck. Based on the vertical, stage, business model, geographic focus, and check size implied by the deck, what kind of investor profile should I be targeting? Be specific: what stage funds, what check size range, what vertical focus, what geographic focus, and what type of investor (lead vs follow, generalist vs specialist, large fund vs solo GP)."
Useful as a sanity check before you build a list. Claude will catch obvious mismatches (you are a pre-seed and you are pitching $400M growth funds).
It will not generate the actual list of named investors. For that you need a database with current activity data; LLMs hallucinate names and check sizes.
7. The valuation pre-check
"I am raising a {seed / Series A} round of {amount} at a {valuation} pre-money. The startup has {revenue / users / traction in one sentence}. Tell me where this falls in the current market: under, in, or over the typical range for this stage and traction level. Use 2026 market comps. Then tell me what would need to be true about the business or the round structure for this valuation to be defensible to a partner."
Use this before sharing your number with a partner. It catches founders who anchor too high (most common) or too low.
The "what would need to be true" framing forces a structured answer instead of "valuation is hard."
8. The follow-up cadence after a meeting
"A partner from {firm} took a 30-minute call yesterday. The vibe was {your honest read in 2 sentences}. They said {paraphrase what they said about next steps}. I want to maintain momentum without being annoying. What is the right cadence and what should each touchpoint contain?"
Most founders drop the ball after the first call. Either too aggressive (3 emails in 5 days) or too passive (waiting 4 weeks for them to follow up first). The right cadence is somewhere between.
Claude will give you a 7-14 day plan with specific actions. Tune it to your read.
9. The end-of-week deck iteration prompt
"I made the following changes to my deck this week: {paste the changes you made}. Score my deck again on the 8 dimensions from prompt 1. Tell me whether each change moved the score in the intended direction. If any change did not improve the dimension I expected, explain why."
Use this once a week during a raise. The deck should be evolving. This prompt keeps the iteration accountable.
How to actually use these prompts
A few practical notes:
Save these in a single Claude project with your deck and company info already in the context. You will use prompts 1-9 dozens of times during a raise; do not repaste your deck every time.
For prompts 2 and 3 (per-partner emails), do them one at a time. The temptation to batch is real but the quality drops noticeably when you batch. The 4 minutes per partner is what makes the cold email work.
For prompt 4 (mock Q and A), do it before every pitch, not just the first one. The 12 hardest questions shift as you learn what objections recur.
Prompt 5 (decoding pass emails) is also useful for decoding partner enthusiasm. Same prompt, just paste the warm reply instead of the cold pass. Claude is good at telling you when "this is exciting, let me sync with my partners" actually means "we are not investing."
The compounding effect
Each individual prompt saves maybe 30 minutes of work. The compound effect over a 12-week raise is dozens of hours back, plus better artifacts at every step.
The founders who close fastest are not necessarily the ones with the best decks. They are the ones who iterate fastest. These prompts are how you iterate fast.
If you want all of this wired together (deck scoring, investor matching, per-investor email drafting, partner Q and A, decoding pass emails) in one place, claudefundraiser.com runs the full pipeline. The prompts above produce most of the same value if you want to do it manually.
About Claude Fundraiser
Claude Fundraiser scores pitch decks on the 8 dimensions VCs actually evaluate (problem, market, team, traction, etc.), matches founders against 8,665 enriched investors ranked by fit, and drafts personalized cold emails grounded in the founder's own deck and each investor's thesis, in the founder's voice. Free to score and see top 10 matches. Plans at $297/$697/$1,497 for 50/200/500 drafts, or à la carte at $49/$149/$299.