synthesis

synthesis is an agent for Claude Code from robertsfeir/atelier-pipeline. It costs 57 tokens per session (500 once invoked), scanned A, original, Apache-2.0.

A helper agent that filters, ranks, and shortens scout results into named evidence blocks for other agents. It reports facts and selected context rather than opinions or design suggestions.

In plain words
What is it for?
Use it to prepare research briefs, implementation context, or quality-assurance evidence from scout outputs.
Why use it?
It turns large amounts of raw inspection output into a compact format that the main agent can use. Different output blocks provide the information needed for research, implementation, or quality review.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter; mentions CLAUDE.md; mentions subagents.

Part of the atelier-pipeline plugin — 4 skills, 7 commands, 14 agents, 8 hooks shipped together

Good fit Use it to prepare research briefs, implementation context, or quality-assurance evidence from scout outputs.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/robertsfeir/atelier-pipeline/synthesis
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.

Clone the repo
git clone --depth 1 https://github.com/robertsfeir/atelier-pipeline

Made for: Claude Code.

Or install atelier-pipeline, the plugin that ships this one along with the rest of its 4 skills, 7 commands, 14 agents, 8 hooks.

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 synthesis

README.md
[![agentmods](https://agentmods.dev/badge/agents/robertsfeir/atelier-pipeline/synthesis/github.svg)](https://agentmods.dev/agents/robertsfeir/atelier-pipeline/synthesis)
Your own site
<a href="https://agentmods.dev/agents/robertsfeir/atelier-pipeline/synthesis"><img src="https://agentmods.dev/badge/agents/robertsfeir/atelier-pipeline/synthesis/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 synthesis

Your own site · 80×15
<a href="https://agentmods.dev/agents/robertsfeir/atelier-pipeline/synthesis"><img src="https://agentmods.dev/badge/agents/robertsfeir/atelier-pipeline/synthesis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 500 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 $0.00057 $0.00500
Opus 5 $0.00028 $0.00250
Sonnet 5 $0.00011 $0.00100
Haiku 4.5 $0.00006 $0.00050

Measured 9d ago against content hash c2b7cf4250c2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

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 9d 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.

.claude/agents/synthesis.md · 51 lines

What it actually says

  • <research-brief> for Sarah — top patterns (≤5), confirmed blast-radius (≤10), manifest notes, brain context (top 3).
  • <colby-context> for Colby — key functions/blocks in scope, relevant patterns to replicate (≤5), files pre-loaded (full content only if ≤50 lines), brain context (top 2).
  • <qa-evidence> for Poirot — changed sections per file (changed functions/blocks only), test baseline, risk areas, brain context (prior QA findings).

Emit the exact field names per the output shape. Missing required fields will block the primary agent's DoR.

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. 9d ago First seen · 51 lines · 57 tokens per session scan A c2b7cf4250c2

Subscribe to this mod's changes

synthesis is an agent published in the GitHub repository robertsfeir/atelier-pipeline (25 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 57 tokens to every session and 500 once invoked, about $0.0003 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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