> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://gtm-tools.sh/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://gtm-tools.sh/_mcp/server.

# Knowledge Base

> Concepts, agent patterns, and troubleshooting for GTM Tools

The Knowledge Base is a longer-form reference for working with GTM Tools: the *why* behind the tool design, the patterns that work for AI agents, and what to do when things break.

## What's here

#### [What is GTM Tools?](/knowledge-base/getting-started/what-is-gtm-tools)

The platform in one page: what it is, why it exists, and what each server does.

#### [Getting Your API Key](/knowledge-base/getting-started/getting-api-key)

The get-a-key flow, verification email, and where to put your credit.

#### [How Credits Work](/knowledge-base/getting-started/how-credits-work)

The metering gate, which failures charge credits, and what happens when you run out.

## Agent patterns

#### [Outbound Sales Flow](/knowledge-base/agent-patterns/outbound-sales-flow)

The end-to-end prospect-research-to-outreach loop.

#### [Signal-Driven Outreach](/knowledge-base/agent-patterns/signal-driven-outreach)

Start from a signal, work backwards to the right person.

## Troubleshooting

#### [401 Unauthorized](/knowledge-base/troubleshooting/unauthorized)

Bearer token issues and how to fix them.

#### [402 Insufficient Credits](/knowledge-base/troubleshooting/insufficient-credits)

What to do when the wallet runs dry.

#### [LinkedIn Session Expired](/knowledge-base/troubleshooting/linkedin-session)

Reconnecting after a session times out.