data-synthesis

data-synthesis is a skill for Claude Code, Codex from HyunjunJeon/Deepagent-research-context-engineering. It costs 28 tokens per session (2,572 once invoked), scanned A, original, MIT.

A workflow for combining findings from several research sources into one clear, accurate summary.

In plain words
What is it for?
Use it to merge parallel research, compare sources, write executive summaries, and identify gaps in the information.
Why use it?
It removes the need to reconcile overlapping, conflicting, or incomplete research by hand.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents; positional $N argument.

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.

agentmods
npx agentmods add skills/hyunjunjeon/deepagent-research-context-engineering/data-synthesis
Any agent
npx skills add HyunjunJeon/Deepagent-research-context-engineering --skill data-synthesis
Clone the repo
git clone --depth 1 https://github.com/HyunjunJeon/Deepagent-research-context-engineering

Made for: Claude Code, Codex.

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 data-synthesis

README.md
[![agentmods](https://agentmods.dev/badge/skills/hyunjunjeon/deepagent-research-context-engineering/data-synthesis.svg)](https://agentmods.dev/skills/hyunjunjeon/deepagent-research-context-engineering/data-synthesis)
Your own site
<a href="https://agentmods.dev/skills/hyunjunjeon/deepagent-research-context-engineering/data-synthesis"><img src="https://agentmods.dev/badge/skills/hyunjunjeon/deepagent-research-context-engineering/data-synthesis.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,572 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00028 $0.02572
Opus 5 $0.00014 $0.01286
Sonnet 5 $0.00006 $0.00514
Haiku 4.5 $0.00003 $0.00257

Measured 6d ago against content hash 30a6b08be089, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

data-synthesis 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 6d 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/data-synthesis/SKILL.md · 377 lines

How it starts

The opening of the file, as written. The whole thing — 377 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Data Synthesis Skill

This skill provides a structured approach to combining research findings from multiple sources into unified, coherent insights. It ensures that synthesized outputs maintain accuracy, proper attribution, and analytical depth.

When to Use This Skill

Activate this skill in the following scenarios:

Primary Use Cases

  • Multi-source integration: Combining findings from 2+ research sub-agents working on related topics
  • Cross-thread synthesis: Merging parallel research threads into a unified narrative
  • Comparative analysis: Analyzing similarities and differences across multiple data sources
  • Executive summaries: Condensing extensive research into actionable insights
  • Gap identification: Finding missing information by comparing what different sources cover

Trigger Conditions

  • You have gathered research from multiple sub-agents or tools
  • Sources contain overlapping but not identical information
  • The user needs a cohesive understanding rather than fragmented data points
  • Contradictory information needs to be reconciled
  • Multiple perspectives on a topic need to be unified

Synthesis Workflow

Follow this step-by-step process for effective data synthesis:

Step 1: Gather All Source Materials

Before beginning synthesis, ensure you have:

  1. Inventory all sources

    • List every research output, file, or response to be synthesized
    • Note the origin (sub-agent ID, tool used, timestamp)
    • Record the scope and focus of each source
  2. Assess source quality

    • Evaluate reliability (primary vs secondary sources)
    • Check recency and relevance
    • Identify potential biases or limitations
  3. Organize by category

    /research_workspace/synthesis/
    ├── sources/
    │   ├── agent_1_findings.md
    │   ├── agent_2_findings.md
    │   └── agent_3_findings.md
    ├── working/
    │   └── theme_analysis.md
    └── output/
        └── synthesized_report.md
    

Step 2: Identify Common Themes and Contradictions

Read the full file on GitHub · 377 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. 6d ago First seen · 377 lines · 28 tokens per session scan A 30a6b08be089

Subscribe to this mod's changes

data-synthesis is a skill published in the GitHub repository HyunjunJeon/Deepagent-research-context-engineering (53 stars, last pushed 7mo ago), licensed MIT. It adds 28 tokens to every session and 2,572 once invoked, about $0.0001 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 2026-08-30.

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