8 Best ToolHive Alternatives in 2026 (Open Source)
ToolHive is an enterprise-grade platform for running and managing Model Context Protocol (MCP) servers. Only dedicated MCP server management platform with enterprise-grade security (container isolation, SSO, registry governance) — vs manually configuring MCP servers or using generic container tools
Short answer
- Closest match to ToolHive: Casibase.
- Most actively developed: Langflow (842 commits in the last 90 days).
- Fastest growing: Langflow (+1,446 GitHub stars in the last 30 days).
- No commit in 6+ months: Eidolon and LangStream.
These 8 open-source tools do the same job. They are ordered by how closely they match ToolHive, with live GitHub data so you can see which projects are actively maintained.
By package downloads Agno is the most used here (1.7M in the last 30 days), even though Langflow has the most GitHub stars. See all agent tools by downloads.
| Tool | GitHub stars | Stars / 30d | Last commit | Downloads / 30d |
|---|---|---|---|---|
| ToolHive(original) | 2.2k | +87 | 2026-10-01 | — |
| Casibase | 5.7k | +190 | 2026-10-01 | — |
| Arcade MCP | 1.0k | +33 | 2026-10-02 | — |
| Eidolon | 492 | +1 | 2024-12-19 | — |
| Agno | 42.5k | +560 | 2026-10-02 | 1.7M |
| Langflow | 155.5k | +1,446 | 2026-10-01 | 40.1K |
| LangStream | 427 | +1 | 2024-05-20 | — |
| BentoML | 8.9k | +52 | 2026-09-07 | 138.0K |
| AI Gateway | 13.1k | +323 | 2026-05-25 | 1.9K |
1. Casibase
Open-source AI knowledge base and MCP/A2A management platform with admin UI, user management, and SSO
What sets it apart: vs other knowledge base platforms: Enterprise-grade open-source AI Cloud OS with built-in SSO (Casdoor), admin UI, MCP/A2A agent management, and support for 10+ LLM providers out of the box
Best for: Enterprise teams needing a self-hosted AI knowledge base with admin UI; Organizations requiring SSO and user management for AI chatbots; Multi-model AI platform deployment with MCP/A2A support
2. Arcade MCP
The best way to create, deploy, and share MCP Servers
What sets it apart: vs raw MCP SDK: built-in OAuth2 auth, secret injection invisible to LLMs, and one-command project scaffolding with CLI
Best for: Building secure MCP tool servers for AI assistants; Teams needing OAuth-based tool calling with secret management
3. Eidolon
The first AI Agent Server, Eidolon is a pluggable Agent SDK and enterprise ready, deployment server for Agentic applications
What sets it apart: vs LangChain/CrewAI: agents are deployed as HTTP services with built-in server, enabling true microservice agent architectures with dynamic inter-agent tool discovery
Best for: Deploying agents as production HTTP services; Multi-agent systems needing inter-agent communication
4. Agno
Build, run, manage agentic software at scale.
What sets it apart: Production-first agent runtime with built-in session isolation, approval workflows, and scalable FastAPI serving — unlike LangChain which is framework-first
Best for: Production multi-agent systems with session isolation; Enterprise agentic applications needing approval workflows and audit trails
5. Langflow
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
What sets it apart: Best visual builder for LLM workflows with direct MCP server deployment — more production-ready than Flowise with API-first architecture
Best for: Rapid prototyping of AI agent workflows with visual builder; Non-developers building LLM applications without coding
6. LangStream
LangStream. Event-Driven Developer Platform for Building and Running LLM AI Apps. Powered by Kubernetes and Kafka.
What sets it apart: It combines LLM application development with event-driven Kafka or Pulsar architecture and Kubernetes-native deployment.
Best for: Developers building event-driven LLM applications; Engineering teams deploying LLM workloads on Kubernetes; Teams using Kafka or Pulsar for application messaging
7. BentoML
The easiest way to serve AI apps and models - Build Model Inference APIs, Job queues, LLM apps, Multi-model pipelines, and more!
What sets it apart: Unified model serving framework with Bento packaging — turn any model into a production API with automatic Docker, adaptive batching, and multi-model orchestration
Best for: Teams deploying ML/AI models as production APIs; Applications needing dynamic batching and GPU optimization; Multi-model inference pipelines (LLM + embedding + reranker)
8. AI Gateway
A blazing fast AI Gateway with integrated guardrails. Route to 200+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
What sets it apart: vs LiteLLM: production-focused with guardrails, caching, and MCP Gateway; vs OpenRouter: self-hostable with enterprise governance and conditional routing rather than just model access
Best for: Teams using multiple LLM providers needing unified routing; Production AI apps requiring reliability (retries/fallbacks); Organizations wanting centralized LLM cost and access control
FAQ
- What are the best alternatives to ToolHive?
- The closest open-source alternatives to ToolHive are Casibase, Arcade MCP and Eidolon, followed by Agno, Langflow and LangStream. They are ranked by how closely they match what ToolHive does.
- Which ToolHive alternative is the most popular?
- Langflow has the most GitHub stars among ToolHive alternatives, with 155,471 stars.
- Which ToolHive alternative is the most actively maintained?
- By recent activity, Langflow (842 commits in the last 90 days) is the most actively developed alternative.
Maintain ToolHive or one of these alternatives?
Each tool page has a maintainer box: a README badge with your live rank and stars, or a homepage + category feature for $49 / 7 days.
ToolHive · Casibase · Arcade MCP · Eidolon · Agno · Langflow