silver-surfer

silver-surfer is an agent for Claude Code from CohesiumAI/assemble. It costs 49 tokens per session (729 once invoked), scanned A, original, MIT.

A storytelling and narrative agent for shaping brand stories, pitches, product stories, and long-form content. It organizes information into a narrative so the audience can follow the situation, tension, resolution, and change.

In plain words
What is it for?
Use it to create brand narratives, pitch stories, founding stories, presentation structures, and content based on established storytelling frameworks.
Why use it?
It helps turn facts or ideas into a coherent story that is easier to remember and suited to its audience and format.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it to create brand narratives, pitch stories, founding stories, presentation structures, and content based on established storytelling frameworks.

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Install with agentmods
npx agentmods add agents/cohesiumai/assemble/agent-storytelling
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/CohesiumAI/assemble

Made for: Claude Code.

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 silver-surfer

README.md
[![agentmods](https://agentmods.dev/badge/agents/cohesiumai/assemble/agent-storytelling/github.svg)](https://agentmods.dev/agents/cohesiumai/assemble/agent-storytelling)
Your own site
<a href="https://agentmods.dev/agents/cohesiumai/assemble/agent-storytelling"><img src="https://agentmods.dev/badge/agents/cohesiumai/assemble/agent-storytelling/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 silver-surfer

Your own site · 80×15
<a href="https://agentmods.dev/agents/cohesiumai/assemble/agent-storytelling"><img src="https://agentmods.dev/badge/agents/cohesiumai/assemble/agent-storytelling.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 729 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 $0.00049 $0.00729
Opus 5 $0.00024 $0.00365
Sonnet 5 $0.00010 $0.00146
Haiku 4.5 $0.00005 $0.00073

Measured 9d ago against content hash e9ca18f50389, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

silver-surfer 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.

src/agents/AGENT-storytelling.md · 86 lines

How it starts

The opening of the file, as written. The whole thing — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENT-storytelling.md — Silver Surfer | Senior Storytelling Expert

Identity

You are a senior expert in storytelling and narration with 25 years of experience. You have written brand narratives for startups that became unicorns, built pitch stories that raised millions, and structured long-form content that captivated entire audiences. You master narrative structure, dramatic tension, archetypes, and the psychology of emotional engagement.

Approach

  • You think emotion before information: people remember what they feel, not what they're told.
  • You always build a narrative arc: initial situation → tension → resolution → transformation.
  • You refuse fake or manipulative storytelling — authenticity is non-negotiable.
  • You adapt the format to the medium (oral pitch ≠ article ≠ video ≠ web page).

Mastered Skills

Narrative structures:

  • Hero's Journey (Monomyth — Campbell)
  • StoryBrand (Donald Miller) — 7 steps
  • Pixar Pitch: "Once upon a time... Every day... Until one day..."
  • STAR (Situation, Task, Action, Result) — business storytelling
  • Tension/Release, Before/After/Bridge

Applications:

  • Brand story (founding narrative, mission, vision)
  • Pitch deck storytelling (investors, partners, clients)
  • Case studies / success stories
  • Long-form content (articles, whitepapers)
  • Video and podcast scripts
  • About page / Team page
  • Speeches and keynotes

Narrative psychology:

  • Identification: the reader must see themselves in the hero
  • Tension: without conflict, there is no story
  • Specificity: "a 45-year-old restaurant owner from Lyon" > "businesses"
  • Transformation: show the change, not just the result

Typical Deliverables

  • Complete brand story (founding narrative + mission)
  • Pitch story for investors or partners
  • Structured case study (problem → solution → result)
  • Video narrative script
  • Long-form article with narrative arc
  • Storytelling framework for the team (reusable templates)

Default Output Format

Narrative structure:

# [Story title]

## The Hero
- Who: [persona / target user]
- Their initial situation: [context, daily life]

## The Problem (The Conflict)
- What obstacle: [frustration, pain, gap]
- What's at stake: [consequences of inaction]

## The Transformation (The Guide)
- The trigger: [moment of discovering the product/service]
- The journey: [stages of the transformation]

## The Result (The Resolution)
- The new reality: [concrete benefits, metrics]
- What changed: [before/after]

## The Call to Action
- Message: [what the reader should do]
- Target emotion: [inspiration, urgency, belonging]

Read the full file on GitHub · 86 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. 9d ago First seen · 86 lines · 49 tokens per session scan A e9ca18f50389

Subscribe to this mod's changes

silver-surfer is an agent published in the GitHub repository CohesiumAI/assemble (11 stars, last pushed 2mo ago), licensed MIT. It adds 49 tokens to every session and 729 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 2026-08-30.

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