First100

npx add-mcp 'https://firsthundred.app/api/mcp'

Start here

Connect your agent

Choose your agent, add First100, and check your connection.

Your first week

Brand, positioning, watchlist, first posts, first review. In order.

See what’s possible

Explore the work you can hand to your agent.

How does it work?

Add First100 to your preferred MCP client with browser sign-in or your API key. Your agent discovers the available tools and learns how to use them directly from the server.

Your agent

Claude, Claude Code

ChatGPT, Codex

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Any MCP client

First100 53 tools over one MCP connection: brand memory, scheduling, search data, publishing, workflows

Where it lands

Social posts

Your blog

Search and AI answers

Email from your mailbox

Your agent decides and writes; First100 holds the brand, the accounts and the data, and carries out what you approve.

Use your First100 account to manage connections, your key, and billing. Give instructions and review the work inside your agent.

Start with a specific outcome, such as finding communities for a launch or preparing next week’s posts. Your agent can gather context, show you proposed work, and carry out the actions you authorize.

Let your agent take it from here

Use First100 to check my connected accounts, then help me plan my next launch. Ask me for any missing context and show me the content before publishing.

For an agent reading these docs, start with the agent guide or the plain-text index.