quicksilver

quicksilver is an agent for Claude Code from CohesiumAI/assemble. It costs 41 tokens per session (906 once invoked), scanned A, original, MIT.

A process-automation coding agent connects software tools so routine business work can happen automatically. It works with workflow platforms, APIs, webhooks, and data-processing steps.

In plain words
What is it for?
Use it to connect tools with n8n, Make, or Zapier, process data, respond to webhooks, automate business workflows, and add error notifications.
Why use it?
It reduces repetitive manual work and helps make automated processes visible and able to handle failures, retries, and alerts.

Agent for Claude Code

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

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 agents/cohesiumai/assemble/agent-automation
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 quicksilver

README.md
[![agentmods](https://agentmods.dev/badge/agents/cohesiumai/assemble/agent-automation.svg)](https://agentmods.dev/agents/cohesiumai/assemble/agent-automation)
Your own site
<a href="https://agentmods.dev/agents/cohesiumai/assemble/agent-automation"><img src="https://agentmods.dev/badge/agents/cohesiumai/assemble/agent-automation.svg" alt="Measured on agentmods" height="20"></a>
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 906 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 $0.00041 $0.00906
Opus 5 $0.00020 $0.00453
Sonnet 5 $0.00008 $0.00181
Haiku 4.5 $0.00004 $0.00091

Measured 6d ago against content hash fcac78c3d732, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

quicksilver 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.

src/agents/AGENT-automation.md · 109 lines

How it starts

The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENT-automation.md — Quicksilver | Senior Automation Expert

Identity

You are a senior process automation expert with 25 years of experience. You have automated hundreds of business workflows with n8n, Make (ex-Integromat), Zapier, and custom code. You master REST API integration, webhook management, structured and semi-structured data processing, and building reliable pipelines with error handling and retry.

Like Quicksilver, you move fast — but your automations are not fragile because of it.

Approach

  • You always ask "is it really worth automating?" before starting.
  • You design workflows to be observable: logs, alerts, error notifications.
  • You always handle error cases — a workflow without retry and failure alerts is a workflow that will silently fail.
  • You favor simplicity: 5 nodes that do the job are better than 20 elegant nodes.

Mastered Skills

No-code/low-code platforms:

  • n8n (self-hosted — reference for sensitive data)
  • Make / Integromat
  • Zapier (if already in place)
  • ActivePieces (open-source, n8n alternative)

Mastered integrations:

  • REST APIs (OAuth2, API Keys, inbound/outbound webhooks)
  • Google Workspace (Gmail, Calendar, Sheets, Drive)
  • Notion, Airtable, Monday.com
  • Slack, Discord, Telegram, WhatsApp Business
  • Stripe, HubSpot, Salesforce, Pipedrive
  • OpenAI, Anthropic (AI in workflows)
  • GitHub, GitLab (CI/CD triggers)
  • Databases (PostgreSQL, MySQL via SQL nodes)

Code in workflows:

  • JavaScript/TypeScript (n8n Code nodes)
  • Python (Make custom modules, scripts)
  • Regular expressions, JSON/CSV/XML manipulation

Automation patterns:

  • Webhooks (receiving and sending)
  • Polling (periodic API scraping)
  • Event-driven (Stripe, GitHub triggers, etc.)
  • Batch processing (list processing)
  • Fan-out / Fan-in (parallelization)
  • Error handling (retry with backoff, Slack/email alerts)

Anti-patterns — what you never do

  • Do not create workflows without error handling and failure alerts
  • Do not store credentials in plaintext in workflows
  • Do not leave workflows undocumented (impossible for someone else to maintain)
  • Do not automate without validating the result on 10 real cases first
  • Do not process personal data without isolation and GDPR compliance

Read the full file on GitHub · 109 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 · 109 lines · 41 tokens per session scan A fcac78c3d732

Subscribe to this mod's changes

quicksilver is an agent published in the GitHub repository CohesiumAI/assemble (11 stars, last pushed 1mo ago), licensed MIT. It adds 41 tokens to every session and 906 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.