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Amazon Mechanical Turk MCP Server

The Amazon Mechanical Turk API is the programmatic interface to Amazon's crowdsourcing marketplace, designed to enable developers to integrate human intelligence tasks directly into their applications, workflows, and business processes.

Quick Start Summary

The Amazon Mechanical Turk MCP server is a Model Context Protocol bridge that connects AI assistants — including Claude Desktop, Cursor, Windsurf, and VS Code Copilot — to the Amazon Mechanical Turk API through natural language. It exposes 10 API endpoints as callable tools, such as AcceptQualificationRequest, ApproveAssignment, AssociateQualificationWithWorker, and more. No authentication is required — setup takes approximately 30 seconds. The server uses STDIO transport and can be installed by running npx -y @mcp/amazonaws-com-mturk-requester. This integration is sourced from the auto Amazon Mechanical Turk OpenAPI specification (v2017-01-17) and has a quality score of 46/99 (fair documentation coverage).

10Endpointstools mapped
NoneAuthopen access
46/99Qualityfair
~30 secSetupno auth

Server Details

Category
Developer Tools
Authentication
None
Endpoints
10 operations
Transport
STDIO
Spec Version
v2017-01-17
Install Command
npx -y @mcp/amazonaws-com-mturk-requester

Environment Variables

AMAZON_MECHANICAL_TURK_API_KEY

Example: your_amazon_mechanical_turk_api_key

Top Endpoints

POST
/#X-Amz-Target=MTurkRequesterServiceV20170117.AcceptQualificationRequest

AcceptQualificationRequest

POST
/#X-Amz-Target=MTurkRequesterServiceV20170117.ApproveAssignment

ApproveAssignment

POST
/#X-Amz-Target=MTurkRequesterServiceV20170117.AssociateQualificationWithWorker

AssociateQualificationWithWorker

POST
/#X-Amz-Target=MTurkRequesterServiceV20170117.CreateAdditionalAssignmentsForHIT

CreateAdditionalAssignmentsForHIT

POST
/#X-Amz-Target=MTurkRequesterServiceV20170117.CreateHIT

CreateHIT

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📖 Detailed MCP Integration Guide

A technical breakdown of capabilities, agent workflows, and security/configuration best practices.

Capabilities & Use Cases
The Amazon Mechanical Turk API is the programmatic interface to Amazon's crowdsourcing marketplace, designed to enable developers to integrate human intelligence tasks directly into their applications, workflows, and business processes. Managed by AWS, this API provides a robust suite of operations for creating, managing, and monitoring HITs (Human Intelligence Tasks), which are discrete units of work that require human judgment. Core capabilities include the full lifecycle management of HITs—from creation and assignment to workers, through approval or rejection of submitted results, to payment processing. Beyond simple task management, it offers a sophisticated system for defining and managing worker qualifications, allowing requesters to filter and select workers based on predefined skills, locations, or prior performance. This makes the API invaluable for enterprises and researchers needing scalable solutions for tasks like image recognition, sentiment analysis, content moderation, data validation, or survey completion, where automation alone is insufficient.
🤖AI Agent Value
When exposed as tools to an AI coding assistant via the Model Context Protocol (MCP), the Amazon Mechanical Turk API transforms from a standalone service into a dynamically composable resource within an intelligent agent's ecosystem. This integration unlocks a paradigm where an AI assistant can not only understand code but also orchestrate the human-in-the-loop workflows that code often initiates. For instance, an AI agent could use the API to automatically create a HIT to resolve an ambiguous data entry it encounters, or to validate the output of a machine learning model by routing samples for human verification. The value lies in bridging the gap between automated systems and human cognition; the AI can now programmatically leverage human judgment as a service, making its solutions more resilient, adaptable, and context-aware for real-world problems that require a blend of algorithmic and human intelligence.
💬Example Workflows
Practical workflows enabled by this MCP server are multifaceted and powerful. A developer could instruct the AI agent to "create a new HIT for data labeling using the attached image set, requiring workers to have a 95% approval rate." The agent would then utilize the CreateHIT and CreateHITType endpoints to define the task, set compensation, and publish it to the marketplace. Another dynamic task could be "query all pending assignments for HITs in the 'Content Moderation' project and generate a summary report of rejection reasons." This would leverage the ListAssignmentsForHIT endpoint, with the AI performing natural language analysis on the results. For quality control, a command like "identify workers on the 'Translation Review' task who have an approval rate below 80% and associate a 'Probation' qualification with them" would involve the API endpoints for listing workers and associating qualifications, enabling automated performance management.
🛡️Security & Auth
Security and authentication for this API are managed through the AWS IAM (Identity and Access Management) framework, which is critical given its programmatic access to monetary transactions and task creation. While the provided endpoint list indicates "None" for authentication, this is a technical reference to the HTTP header; in practice, every API call must be signed with AWS credentials (an Access Key ID and Secret Access Key) using AWS Signature Version 4. Adhering to the principle of least privilege is paramount: IAM policies should grant the minimum permissions necessary, such as only allowing specific actions (mturk:CreateHIT, mturk:ApproveAssignment) on specific HITs or qualification types. Developers should never embed credentials in code, instead using environment variables, AWS credential files, or IAM roles if running on AWS infrastructure. For added security, API access should be restricted to specific IP ranges where possible, and CloudTrail should be enabled to log all API activity for auditing.

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