AI-Powered Cover Letter Generator with Resume Matching & Google Docs

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Built by Joel Gamble Joel Gamble
Created on June 05, 2026

Description

This workflow generates a tailored cover letter using a provided resume and job description.

Users submit a job description via form (or workflow input), the workflow uses an LLM to write a professional, casual cover letter, then creates and populates a Google Doc and redirects the user to download or review it.

What You Must Update Before Running

1. Resume Content
Update the Configuration node to include your own resume text.
This resume is injected directly into the prompt and used as the sole source of experience and qualifications.

2. LLM Credentials
The workflow uses OpenRouter with an OpenAI-compatible model.

You must:
Add your own OpenRouter API credentials
Optionally change the model selection if desired

3. Google Docs Credentials
This workflow creates and edits Google Docs.

You must:
Connect your own Google Docs OAuth credentials
Update the destination folder ID if you want files saved elsewhere

What You Can Configure

1. Prompt Tone & Constraints
Edit the Write Cover Letter agent system prompt to adjust:
Tone (more formal or more casual)
Length
Writing style constraints

2. Execution Method
The workflow supports:
Manual execution via form submission
Execution as a sub-workflow via workflow inputs

Nodes Used (4)

AI Agent
@n8n/n8n-nodes-langchain.agent
Google Docs
n8n-nodes-base.googleDocs
OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter
Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured