Agency Swarm

Agency Swarm

Open Source(MIT)
Verified
AI-Native
Most customizable

Open-source framework for building reliable multi-agent swarms

Global
Self-hostable
MCP Ready
Function calling
Free Forever
+1
Last updated: Oct 13, 2026
Open Source
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Quick Answer

Agency Swarm is an open-source (MIT) Python framework for building and orchestrating collaborative multi-agent systems, built on the OpenAI Agents SDK. It provides customizable agent roles, type-safe Pydantic tools, directional communication flows and pluggable state persistence. Best for developers building multi-agent applications. Free and open source.

About Agency Swarm

Agency Swarm is an open-source framework for building, deploying, and managing AI agents. It provides tools for creating autonomous agents that can collaborate to solve complex tasks, integrate with external tools, and automate workflows. Designed for developers and teams, it offers a flexible platform for agentic AI development.

What Makes It Unique

Agency Swarm extends the OpenAI Agents SDK with customizable agent roles, type-safe Pydantic tools and explicit, directional communication flows between agents.

AI-extracted from public sources. May contain errors. Methodology · Report an error

Decision Intelligence

Best For

Developers creating autonomous agents and integrating them into existing systems
Pricing Overview

Type

Open Source

Billing Cycle

Monthly

Free Trial

No

Credit Card

Not Required

Free Plan

Yes

Dimension Scores

· 4.3 avg

How good it is, across universal quality axes

Ease of Use1/10
Customization5/10
Support8/10
Integration3/10
Compliance & Data Protection1/10
Performance8/10
AI-scored from up to 37 public sources, reviewed by a person·High confidenceHow we score

Task Scores

· 7.7 avg

What it can do, per category it works in · showing 10 of 10 tasks scoring 5+

Role Definition9/10
Agent Coordination9/10
Inter Agent Communication9/10
Workflow Orchestration8/10
Tool Use Delegation8/10
State Management8/10
Task Decomposition7/10
Observability7/10
Error Recovery6/10
Scalability Throughput6/10

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Capabilities
Code
Code Review
Automation
Agent
Categories
Automation Agents
Multi Agent Systems
Developer Platform
Limitations
  • -Requires Python 3.12 or newer
  • -Support is community-based via GitHub Issues and Discussions
Fit Score

Complexity

Advanced

Company Size

Small
Medium
Enterprise

Target Team Size

Small Team
Large Team

Target Skill Level

Expert
Technical Specifications
SDK Available
MCP Compatible
Team Features
Webhook Support (unknown)
Has Demo
Function Calling
Sandbox Mode (unknown)
Audit Logs
No Signup
Works Offline
Requires Host App
Framework
MCP Server
Inference API
Deployment:
Self Hosted
Response time (est.):
Fast
MCP Servers:
Notion
Compliance, Privacy & Trust
GDPR: No info available
SOC 2: No info available
HIPAA: No info available
Privacy & data handling
Trains on user data: Unknown
Human review:
Recommended

The Model(s) Behind It

Model details — extracted from public vendor sources by our pipeline (AI extraction plus a source check) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.

Uses Models
Training Data Provenance
Not disclosed
Relevant to EU AI Act Art. 53 / Annex XI (GPAI)
Integrations & Connections
3 connections
A
G
C
GitHub Copilot
GitHub Copilot

Your AI pair programmer

CodeRabbit
CodeRabbit

AI code reviews — the validation layer for AI-generated code

SL
SlackNative

Connect your code without leaving Slack

Auto-updated

Video

Trust Score

60/100

Good

Based on 5 data signals

Confidence: High

Reflects publicly available data, not an independent audit

Compliance & Verified38/38
VerifiedYes
Open-source licenseMIT
Human ReviewYes
Reliability0/10

No published data

Company17/17
Company ListedYes
User Base10K-100K
Health—

Not yet checked

AI Governance & Regulatory Disclosures

Legally-sensitive fields — extracted from public vendor sources by our pipeline (AI extraction plus a source check) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.

EU AI Act Risk Tier
Unclassified

Switching & Migration

Migration Difficulty
Moderate Effort
Support:
Discord
GitHub
Documentation
Community
Open Source
Quick Stats
CategoryAI Agent Builders
PlatformsCLI
Integrations1
User Base10K-100K
LaunchedJan 2024
VerifiedOct 2026
Company & Links
CompanyVRSEN
Based inUnited States
Last major updateJul 2026
DocumentationChangelog
LinkedInTwitter/XDiscordYouTube
All Features
Multi-agent collaboration
Integration with external tools via MCP
Customizable agent roles (CEO, Developer, Virtual Assistant, etc.)
Type-safe tools via Pydantic models
Orchestrated agent communication via a send_message tool with directional communication_flows
Flexible state persistence via load_threads_callback / save_threads_callback
Full control over agent prompts and instructions
Built on the OpenAI Agents SDK
Pricing Plans
Free
Free/month
  • 25 daily credits
  • Up to 5 agencies
  • $0 forever
    • Most Popular
    Pro
    $20/month
  • 2,000 monthly credits
  • 25 daily credits
  • Unlimited agencies

    • Pricing verified from the vendor pricing page.

    User Reviews

    No reviews yet. Be the first to review!

    Alternatives

    Top Agency Swarm alternatives in the same category, ranked by quality.

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    Build AI agents for anything, sell them to anyone

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    Dust

    freemium

    Multiplayer AI for human-agent collaboration

    Inngest Agent

    Inngest Agent

    freemium

    Durable Execution for Workflows & AI — unbreakable agents, invisible infra

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    Who It's For
    4 roles
    Software DevelopersComputer ProgrammersWeb Developers+1 more
    Platform, Content & Languages
    2 content types
    1 languages
    CodeTextEnglish+6 more

    Content Types

    Code
    Text

    Accepts

    Code
    Text
    API

    Produces

    Code
    Text
    API
    Languages: English

    Frequently Asked Questions

    What can Agency Swarm do?

    Agency Swarm can: Multi-agent collaboration, Integration with external tools via MCP, Customizable agent roles (CEO, Developer, Virtual Assistant, etc.), Type-safe tools via Pydantic models. Best for: Developers creating autonomous agents and integrating them into existing systems.

    How much does Agency Swarm cost?

    Agency Swarm is open source and free to self-host. Cloud hosting options may have separate pricing.

    Is Agency Swarm free?

    Yes, Agency Swarm is open source and free to self-host. Managed hosting may carry separate costs.

    What makes Agency Swarm unique?

    Agency Swarm extends the OpenAI Agents SDK with customizable agent roles, type-safe Pydantic tools and explicit, directional communication flows between agents.

    What platforms does Agency Swarm support?

    Agency Swarm is available on CLI.

    What languages does Agency Swarm support?

    Agency Swarm supports English.

    Does Agency Swarm work offline?

    No, Agency Swarm requires an active internet connection to function.

    Who is Agency Swarm for?

    Agency Swarm is designed for Developers creating autonomous agents and integrating them into existing systems.