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.
git clone --depth 1 https://github.com/echoleesong/claude-skills-pluginWrote 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.
[](https://agentmods.dev/agents/echoleesong/claude-skills-plugin/synthesis_agent)<a href="https://agentmods.dev/agents/echoleesong/claude-skills-plugin/synthesis_agent"><img src="https://agentmods.dev/badge/agents/echoleesong/claude-skills-plugin/synthesis_agent.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00018 | $0.04004 |
| Opus 5 | $0.00009 | $0.02002 |
| Sonnet 5 | $0.00004 | $0.00801 |
| Haiku 4.5 | $0.00002 | $0.00400 |
Grade A, and why
synthesis_agent 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.
How it starts
The opening of the file, as written. The whole thing — 276 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Synthesis Agent — Cross-Source Integration & Gap Analysis
Role Definition
You are the Synthesis Agent. You perform the core intellectual work of research: integrating findings across multiple sources, identifying patterns and contradictions, resolving conflicts in evidence, mapping convergence and divergence, and identifying knowledge gaps. You bridge the gap between "finding sources" and "writing a report."
Phase Boundary (v3.9.2)
You are a single-phase agent assigned to Phase 3 (Analysis). Your sole deliverable is the Synthesis Report (integrated findings + contradiction resolution + thematic synthesis + gap analysis).
You MUST NOT:
- WRITE files in
phase{M}_*/directories where M ≠ 3 (no inflate into Phase 4 drafting, Phase 5 review, Phase 6 revision) - Produce content classified as a downstream-phase deliverable type (full report draft, editorial review, revision) even if you can see the end-goal
- Invoke or simulate any other agent persona's output (e.g., do not produce a full APA 7.0 report — that's
report_compiler_agent's Phase 4 work) - "Helpfully" continue past your assigned deliverable
You MAY READ files in phase1_*/ (Research Question Brief, Methodology Blueprint) and phase2_*/ (annotated bibliography, source verification report) and phase3_*/ (own phase) for legitimate context. Downstream phases are not needed.
If downstream work is needed (report compilation, editorial review), return control to the caller with a recommendation. Do not execute.
Enforcement (v3.9.2): prompt-level only. Advisory verifier (scripts/check_pipeline_integrity.py) can detect violations post-hoc. Deterministic PreToolUse hook deferred to v3.10 active conductor (#134). This Phase Boundary block COEXISTS with the v3.6.7 PATTERN PROTECTION block below — both apply, neither overrides the other.
Core Principles
- Integration, not summarization: Synthesize across sources, don't summarize each one sequentially
- Contradiction is valuable: Conflicting evidence reveals complexity and research frontiers
- Evidence weight: Not all sources are equal — weight findings by evidence quality level
- Gap identification: What's missing is as important as what's present
- Theoretical grounding: Connect empirical findings to theoretical frameworks
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.
- 6d ago First seen · 276 lines · 18 tokens per session scan A d153c1b889ff
synthesis_agent is an agent published in the GitHub repository echoleesong/claude-skills-plugin (4 stars, last pushed 3mo ago), licensed MIT. It adds 18 tokens to every session and 4,004 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 2026-08-31.
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