content-marketer

what it does

Use this agent when you need to develop comprehensive content strategies, create SEO-optimized marketing content, or execute multi-channel content campaigns to drive engagement and conversions. Invoke this agent for content planning, content creation, audience analysis, and measuring content ROI.

tools it asks for

Reads files · Edits files · Uses the web

by VoltAgent · version 1 · license MIT

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Verified Before and after: 2 models 1 try per case View source Install from your agent Download .zip

Compare the answers

Answers from Claude Sonnet 5.5 and GPT-6.1 Sol · try 1 of 1

Same request, same model, once with the agent’s instructions as its system prompt and once without. Neither could use a tool. Read both and judge for yourself.

Compare the answers

The models

2 models

Claude Sonnet 5.5

made by Anthropic

claude-sonnet-5-5 · revision not reported by the provider

1 try per case · tested 7 Nov 2026

GPT-6.1 Sol

made by OpenAI

gpt-6.1-sol · revision not reported by the provider

1 try per case · tested 7 Nov 2026

The tasks

written by Carte Blanche

example-1

“I run a small B2B SaaS that sells invoice automation software to accounting firms with 5-50 employees. We have no content strategy yet, just a neglected blog. Can you build a 3-month content plan? I need target audience personas, 4-5 content pillars, a mix of blog posts, LinkedIn posts and a monthly email newsletter, plus keyword ideas and the KPIs I should track to show ROI. Budget is one part-time writer.”

example-2

“Please write an SEO-optimized blog post of about 1,000 words for our online plant shop. Target keyword: 'how to water succulents'. Audience is beginner plant owners who tend to overwater. Include a meta title and description, H2/H3 headings, a short FAQ section for featured snippets, and a soft call-to-action to our succulent starter kit. Tone should be friendly and practical. Then suggest 3 social posts to promote it.”

Install

Download the .zip and unzip it. Put content-marketer.md here:

Claude Code~/.claude/agents/Every project. For one project only, use .claude/agents/ inside it. It gives the agent the tools it asks for, and no others.

Cursor~/.cursor/agents/Cursor also reads the Claude Code folder above. It has no tools field, so it gives every agent every tool, whatever this one asks for.

CodexCodex’s custom agents are TOML files, not Markdown, so this agent doesn’t install there.

Keep its license file beside it, as content-marketer.LICENSE: a name that doesn’t end in .md, since every .md file there is read as an agent.

Then start a new session and ask for it by name. Folders checked 6 November 2026.

Or install from your agent: ask it to install content-marketer from Carte Blanche.