ic-sim

ic-sim is a skill for Claude Code from lool-ventures/founder-skills. It costs 92 tokens per session (21,847 once invoked), scanned C, original, Apache-2.0.

A simulated startup investment committee: a practice discussion in which three different venture-capital partner viewpoints assess a company, its risks, and possible deal terms across 28 scored areas. Venture capital is funding from investors who buy a stake in young companies.

In plain words
What is it for?
Use it to rehearse an investor review, identify weaknesses in a startup or pitch, assess fundraising readiness, and prepare responses to likely concerns.
Why use it?
It helps founders anticipate the questions and disagreements investors may raise before an actual fundraising meeting.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: mentions subagents; names the AskUserQuestion tool; positional $N argument.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the founder-skills plugin — 6 skills, 1 command, 6 agents shipped together

Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add lool-ventures/founder-skills
Claude Code
/plugin install founder-skills

Made for: Claude Code.

Or install founder-skills, the plugin that ships this one along with the rest of its 6 skills, 1 command, 6 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ic-sim

README.md
[![agentmods](https://agentmods.dev/badge/skills/lool-ventures/founder-skills/ic-sim.svg)](https://agentmods.dev/skills/lool-ventures/founder-skills/ic-sim)
Your own site
<a href="https://agentmods.dev/skills/lool-ventures/founder-skills/ic-sim"><img src="https://agentmods.dev/badge/skills/lool-ventures/founder-skills/ic-sim.svg" alt="Measured on agentmods" height="20"></a>
Per session 92 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 21,847 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00092 $0.21847
Opus 5 $0.00046 $0.10923
Sonnet 5 $0.00018 $0.04369
Haiku 4.5 $0.00009 $0.02185

Measured 2d ago against content hash 8f300e64a761, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade C, and why

ic-sim scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

The scan reads SKILL.md. This mod also ships 8 executable files (scripts/_dispatch_json.py, scripts/_theme.py, scripts/compose_discussion.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Tells the agent never to refusehighAnti-refusal

Suppressing the ability to decline removes a core safety control; a later harmful request then succeeds.

- `to_confirm` = data the materials don't disclose (excluded from `applicable`, like `not_applicable`); >6 of them holds the verdict at `more_diligence` in BOTH directions — capped down from `invest` (thin coverage can't
founder-skills/skills/ic-sim/SKILL.md · 1,249 lines

How it starts

The opening of the file, as written. The whole thing — 1,249 lines — stays where its author put it; the contents beside it link to each section on GitHub.

IC Simulation Skill

Help startup founders prepare for the conversation that happens behind closed doors — the one where VC partners debate whether to invest. Produce a realistic IC simulation with three distinct partner perspectives, scored across 28 dimensions, with specific coaching on what to prepare. The tone is founder-first: a coaching tool for preparation, not a judgment.

Skill Metadata

  • Author: lool-ventures
  • Version: managed in founder-skills/.claude-plugin/plugin.json
  • Compatibility: Python 3.10+ and uv for script execution.
  • Imports (recommended):
    • market-sizing:sizing.json — fund alignment and market validation
    • deck-review:checklist.json — deck quality assessment
  • Exports:
    • report.jsonfundraise-readiness, dd-readiness

Skill Execution Model (READ FIRST)

See founder-skills/references/skill-execution-model.md for the full inline-skill execution model (3 dispatch contexts, Mitigation 1+2, producer contract, Cowork quirks, per-symptom triage).

This skill runs inline in the main thread, not as a sub-agent — see the reference above ("Why Inline (Not Forked Sub-Agent)") for the rationale. Sub-agents are deliberately shell-free, so orchestration (producer scripts, artifact persistence) stays in the main thread.

Two dispatch contexts for the sub-agent:

  • Context A — Per-step analytical dispatch (Mitigation 1): Steps 5, 6, 6b, and 8 dispatch the ic-sim agent via the Task tool. The novel element here is parallel dispatch: Step 6 (PARTNER_ANALYSIS) and Step 6b (PARTNER_REBUTTAL) each dispatch the agent three times simultaneously — one per partner archetype — in a single assistant turn. Step 5 (DETECT_CONFLICTS) and Step 8 (SCORE_DIMENSIONS) are sequential dispatches. The sub-agent does deep analysis, WRITES its output JSON to the OUTPUT_PATH given in its prompt (the handoff/ dir), and returns a small receipt. The main thread gates the file with check_handoff.py, then pipes it through the producer script. The sub-agent never writes canonical artifacts — only its hand-off file. Step 6b is the real second debate round: each archetype sees the other two's round-1 assessments and either holds its position or moves on stated evidence; Step 7's compose_discussion.py then derives discussion.json from Steps 6 and 6b's six artifacts — never authored by the main thread.
  • Context B — Post-compose coaching dispatch: The final step dispatches the sub-agent after compose_report.py writes report.md. The sub-agent Reads the staged coaching_payload.json from the hand-off dir (Mitigation 2) — it does NOT read the full report.md — composes the coaching commentary, WRITES it to the OUTPUT_PATH hand-off file, and returns a small receipt. The main thread gates the file (check_handoff.py) and inserts it via the shared insert_coaching.py script (idempotency matrix, uuid-marker replacement, run_id-parity verification — all deterministic). See the reference above for the full Context B contract.

Read the full file on GitHub · 1,249 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago Changed · +2 lines 8f300e64a761
  2. 6d ago First seen · 1,247 lines · 92 tokens per session scan C 77b06055436e

Subscribe to this mod's changes

ic-sim is a skill published in the GitHub repository lool-ventures/founder-skills (33 stars, last pushed 5d ago), licensed Apache-2.0. It adds 92 tokens to every session and 21,847 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it C with 1 finding (tells the agent never to refuse). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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