LLM Power User - MCP Specialist

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

About the role

We are looking for a contract MCP & Plug-In Connectors Expert to evaluate AI systems on complex personal workflows, design realistic prompts, and assess AI outputs for practicality and reasoning.

Responsibilities

• Evaluate AI systems on complex personal workflows, including personal health, travel, and activity planning.
• Design realistic prompts for complex personal-life tasks using Google Drive, Expedia, Notion, and other plugins/connectors.
• Execute tasks while recording your screen and using personal plugins/connectors.
• Write clear explanations of AI successes and failures to improve AI model performance.
• Judge AI outputs for practicality, personalization, and reasoning.
• Identify where models miss context, overreach, or fail to use tools correctly.

Requirements

• US-based only.
• Strong MCP experience and plugin/connector usage.
• Experience using LLM plugins/connectors like Google Drive, Expedia, and Notion.
• Heavy personal usage of LLM products.
• Active LLM account with 6+ months of history.
• Willingness to sign a data-share consent form via DocuSign.
• Experience using AI for multi-step planning, research, and decision-making.
• Strong written judgment and attention to detail.
• Ability to evaluate AI outputs and write against rubrics.

Qualifications

• Preferred: Extensive rubric experience with 100+ hours on prior projects.

Pay

$50–$190/hour

Schedule

20+ hours/week, remote contract position with a trial period.