synthesize

synthesize is a skill for Claude Code from SebastianElvis/reaper. It costs 48 tokens per session (2,156 once invoked), scanned A, original, Apache-2.0.

A research-writing tool that turns investigation results into a formal academic paper with definitions, theorems, lemmas, and proofs. A lemma is a smaller result used to establish a larger one.

In plain words
What is it for?
Use it after investigation cycles to write up research findings as a structured academic paper.
Why use it?
It organises scattered findings into a paper-style account that clearly states and supports the results.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Part of the reaper plugin — 10 skills shipped together

Good fit Use it after investigation cycles to write up research findings as a structured academic paper.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/sebastianelvis/reaper/synthesize
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add SebastianElvis/reaper --skill synthesize
Clone the repo
git clone --depth 1 https://github.com/SebastianElvis/reaper

Made for: Claude Code.

Or install reaper, the plugin that ships this one along with the rest of its 10 skills.

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 synthesize

README.md
[![agentmods](https://agentmods.dev/badge/skills/sebastianelvis/reaper/synthesize/github.svg)](https://agentmods.dev/skills/sebastianelvis/reaper/synthesize)
Your own site
<a href="https://agentmods.dev/skills/sebastianelvis/reaper/synthesize"><img src="https://agentmods.dev/badge/skills/sebastianelvis/reaper/synthesize/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for synthesize

Your own site · 80×15
<a href="https://agentmods.dev/skills/sebastianelvis/reaper/synthesize"><img src="https://agentmods.dev/badge/skills/sebastianelvis/reaper/synthesize.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,156 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00048 $0.02156
Opus 5 $0.00024 $0.01078
Sonnet 5 $0.00010 $0.00431
Haiku 4.5 $0.00005 $0.00216

Measured 12d ago against content hash a4a961bf866f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

synthesize scanned grade A with 0 findings 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 12d ago.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/synthesize/SKILL.md · 189 lines

How it starts

The opening of the file, as written. The whole thing — 189 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Synthesize

Generate a formal research paper from all investigation results. The output should read like a publishable academic paper — not a consulting report or investigation diary.

Usage

Invoke this skill by name; no arguments required. On slash-command hosts, prefix with / (e.g. /synthesize).

synthesize

Instructions

1. Re-read Workspace State (Efficiently)

Do NOT rely on context window. Re-read workspace files, but load selectively to stay within context limits:

Always read:

  • reaper-workspace/notes/current-understanding.md — the accumulated findings (primary source)
  • reaper-workspace/notes/results.md — the cycle-by-cycle record including batch summaries
  • reaper-workspace/notes/problem-statement.md — model assumptions and property definitions
  • reaper-workspace/notes/ideas.md — the ideas and their resolution status

Read for background (skim, don't deep-read):

  • reaper-workspace/notes/paper-summary.md — focus on "Problem Statement" and "Red Flags" sections (skip if not present)
  • reaper-workspace/notes/literature.md — focus on "Landscape Summary" and "Key Prior Results" sections

Load investigation directories selectively:

  • Read notes/results.md batch summaries first — these provide a condensed view of each batch's findings
  • Only read investigations/*/analysis.md for keep hypotheses (check the "Status" column in notes/results.md). Skip discard investigations entirely. Each analysis.md reflects the latest state of its hypothesis (edited inline on revisit).
  • If batch summaries are present and sufficient, you may skip individual analysis.md files for cycles already summarized
  • For investigations with formal proofs (proof.md), only read if the report needs to cite a specific proof step

2. Identify the Central Result

If the investigation yielded multiple results, identify the single most important one. This is the main theorem of the paper. Ask: "If the reader remembers only one thing, what should it be?"

Read the full file on GitHub · 189 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. 12d ago First seen · 189 lines · 48 tokens per session scan A a4a961bf866f

Subscribe to this mod's changes

synthesize is a skill published in the GitHub repository SebastianElvis/reaper (9 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 48 tokens to every session and 2,156 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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