--- title: "The GTM Co-Founder uses one agent across several brands | Rainbrand" description: "The GTM Co-Founder works across several brands in Claude. Rainbrand keeps each brand’s context ready, so each identity stays distinct from project to project." url: "https://www.rainbrand.com/customers/gtm-cofounder/" --- [Customers](https://www.rainbrand.com/customers/) Customer since December 2025 The GTM Co-Founder // Customer story # The GTM Co-Founder uses one agent across several brands The GTM Co-Founder works across several brands in Claude. Rainbrand keeps each brand’s context ready, so each identity stays distinct from project to project. [Visit gtmcofounder.com](https://gtmcofounder.com/) [All customers](https://www.rainbrand.com/customers/) Customer: [The GTM Co-Founder](https://gtmcofounder.com/) Makes: Free, open-source agent skills for developer tool and AI product go-to-market Connects through: MCP Agents: Claude and Claude Code Customer since: December 2025 [The GTM Co-Founder](https://gtmcofounder.com/) makes free, open-source agent skills for developer tool and AI product go-to-market. Its founder, Shane O’Connor, works across several brands. As a GTM Partner at [QC Growth](https://www.qcgrowth.com/), he helps early-stage developer tools and AI companies build their go-to-market. He also runs his own products and open-source projects. Much of that work already happens in Claude. Each company has its own voice, visual language, and source material. Shane needed a way for the agent to use the right brand without rebuilding the brief each time. Rainbrand maintains brand context that Claude can retrieve. Shane can move from client work to his own projects while keeping each identity distinct. ## The right brand for each project For each project, Rainbrand develops brand context from the website, files, and other source material Shane provides. Claude can retrieve the relevant identity, messaging, guidance, and assets in the conversation where he is already working. When Shane begins a social post, deck, or product video, he does not have to paste the palette, find the logo, and explain the visual direction again. The agent can work from the same brand context used for earlier tasks. Shane can update that context when the brand changes or a new decision needs to carry forward. Claude remains Shane’s working environment. He sets the direction and approves what ships. Rainbrand supplies the brand layer behind the work. ## From Citeplane’s website to finished work [Citeplane](https://www.citeplane.com/), a product Shane is building to help companies understand and improve their visibility in AI search, is a clear example. Rainbrand developed its brand context from the website and source material, including its black-and-white foundation, highlighter yellow, Archivo typography, product assets, messaging, and marked-up report style. Shane used that context through Claude to make blog and share-card visuals, a nine-slide carousel, a one-page overview, investor-deck direction, and two product videos with voiceover. The same brand informed each format. Before Rainbrand, Shane says he would not have tried making this work with AI because the design quality would not have been there. He planned to hire a designer. > “I have the ideas, but turning them into great design was always a struggle. Rainbrand makes me feel like the best designer in the world, and I don’t think I’ll need to hire one for the small stuff again.” Shane O’Connor, Founder, The GTM Co-Founder He now uses the same setup across his own products, client work, open-source projects, and community campaigns. ## More customer stories - Revnu [Revnu puts a brand layer inside its AI growth product](https://www.rainbrand.com/customers/revnu/) - Autumn [Autumn uses one shared brand across its agents](https://www.rainbrand.com/customers/autumn/) ## Connect Rainbrand. Use Rainbrand with your agents, or embed it into your product. [Read the docs](https://docs.rainbrand.com/mcp/getting-started) ### ChatGPT + Codex 1. Open the Rainbrand plugin and add it. [Open Rainbrand plugin](https://chatgpt.com/plugins/plugin_asdk_app_6ac6e5030ec88191a88001f6dc0628ca) 2. Connect your Rainbrand account when asked. It works in ChatGPT and in Codex. ### Claude 1. Open the Rainbrand connector in Claude and add it. [Open Rainbrand connector](https://claude.ai/customize/connectors?modal=add-custom-connector&connectorName=Rainbrand&connectorUrl=https%3A%2F%2Fmcp.rainbrand.com%2Fmcp) 2. Select Connect, then sign in to Rainbrand. You can also install the [Rainbrand Skill](https://docs.rainbrand.com/mcp/getting-started#standalone-rainbrand-skill) or the [plugin](https://github.com/rainbrandai/rainbrand-skills/releases/latest/download/rainbrand.claude-plugin.zip). ### Claude Code 1. Add Rainbrand's plugin marketplace in your terminal. ``` claude plugin marketplace add rainbrandai/rainbrand-skills ``` 2. Install the Rainbrand plugin, including its Skill and MCP connection. ``` claude plugin install rainbrand@rainbrand ``` 3. Start a new Claude Code session, then use /mcp to sign in to Rainbrand. You can also [connect with MCP](https://docs.rainbrand.com/mcp/getting-started#claude-code-installation-options) or install the [Rainbrand Skill](https://docs.rainbrand.com/mcp/getting-started#standalone-rainbrand-skill). ### Cursor 1. Add Rainbrand to ~/.cursor/mcp.json. ``` { "mcpServers": { "rainbrand": { "url": "https://mcp.rainbrand.com/mcp" } } } ``` 2. Sign in from the Cursor CLI. ``` agent mcp login rainbrand ``` You can also install the [Rainbrand Skill](https://docs.rainbrand.com/mcp/getting-started#standalone-rainbrand-skill) or the [plugin](https://github.com/rainbrandai/rainbrand-skills/releases/latest/download/rainbrand.cursor-plugin.zip). ### API 1. Create an API key in your account settings, then list your brands. ``` curl https://www.rainbrand.com/api/v1/brands -H "x-api-key: $RAINBRAND_API_KEY" ``` Integrating Rainbrand into your app? [Read the API docs](https://docs.rainbrand.com/api). The brand layer for agents. Rainbrand builds and maintains shared brand context for your agents and products. [Get started](https://www.rainbrand.com/auth/sign-in) [Read the docs](https://docs.rainbrand.com/)