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What is Mastra?

Mastra is an open-source TypeScript framework designed to help software developers build production-ready AI agents, intelligent applications, and autonomous workflow systems. The framework provides a modular development environment for defining AI agents with configurable instructions, language models, tools, memory, and runtime behavior. Its agent execution capabilities allow applications to process user requests, reason about complex problems, select appropriate tools, and perform actions across connected systems. Mastra's workflow engine enables developers to organize operations into structured steps with branching logic, retries, error handling, and persistent execution state. Human-in-the-loop functionality allows workflows to pause for user input or approval and resume execution without losing their previous progress. Its memory system supports conversation history, structured working memory, semantic retrieval, and observational memory that summarizes previous interactions to maintain useful context. The platform also provides an agent harness for coordinating long-running agents with multiple operating modes, shared state, persistent threads, and task management capabilities. Model integration features enable developers to work with different AI providers through a unified router, while Model Context Protocol support connects agents to external tools, resources, and compatible applications. Built-in observability includes distributed tracing, execution logs, latency measurements, token usage monitoring, cost tracking, and detailed visibility into model calls and tool interactions. Its evaluation framework supports automated scoring, test datasets, experiments, feedback collection, and regression testing to help development teams measure and improve agent performance.

What is FastAgency?

FastAgency is a groundbreaking open-source framework designed to simplify the process of transitioning multi-agent AI workflows from initial prototypes to fully operational systems. It presents a unified programming interface that integrates seamlessly with various agent-based AI frameworks, empowering developers to implement agent-driven workflows in both experimental settings and live environments. With features like multi-runtime support, seamless external API integration, and a command-line interface for orchestration, FastAgency facilitates the development of scalable architectures for deploying AI workflows with greater ease. Currently, it is compatible with the AutoGen framework, and there are plans to extend this compatibility to include CrewAI, Swarm, and LangGraph soon. This adaptability allows developers to transition between different frameworks with ease, choosing the one that best fits their specific project needs. Furthermore, FastAgency offers a shared programming interface that enables developers to create vital workflows once and apply them across diverse user interfaces, significantly reducing the need for redundant coding and improving overall productivity in AI development. Consequently, FastAgency not only speeds up the deployment process but also promotes innovation and collaboration among developers, ultimately enhancing the AI ecosystem as a whole. This collaborative environment encourages developers to share insights and techniques, further driving advancements in AI technology.

Media

Media

Integrations Supported

Alkemi
Apify
Cerebras
Claude
Claude Duet
Claude for Legal
Dock
Ejentum
EmpirioLabs AI
GPT-4
GPT-4o
Gemini
Gemini Enterprise
Groq
JavaScript
Llama
Mistral AI
OpenUI
SerpKite

Integrations Supported

LangGraph

API Availability

API Availability

Has API

Pricing Information

Free
Open source
Free Version

Pricing Information

Free
Free Version

Supported Platforms

SaaS
Windows
Mac
On-Prem
Linux

Supported Platforms

Windows
Mac
Linux

Customer Service / Support

Not specified

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Mastra AI

Date Founded

2024

Company Location

United States

Company Website

mastra.ai/

Company Facts

Organization Name

FastAgency

Date Founded

2019

Company Location

Croatia

Company Website

fastagency.ai/

Categories and Features

Agentic AI

Not specified

AI Agent Builders

Not specified

AI Agent Frameworks

Not specified

AI Agents

Not specified

AI Orchestration

Not specified

Categories and Features

Agentic AI

Not specified

AI Agent Builders

Not specified

AI Agents

Not specified

AI Orchestration

Not specified

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