Comparison
ag-ui vs mcp-agent
Verdict
Pick ag-ui if ag-UI specializes in integrating AI agents into frontend applications using TypeScript, providing a protocol for agent-user interaction; pick mcp-agent if allows creation of efficient AI agents via Model Context Protocol with workflow patterns.
Markdown twin · ag-ui alternatives · mcp-agent alternatives
GraphCanon updated 1d
vs
Trust & integrity
| Signal | ag-ui | mcp-agent |
|---|---|---|
| Maintenance | Very active (0d since push) As of 1d · github_public_v1 | Slowing (181d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 1d · github_public_v1 | Not a fork · Organization account As of 3w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- ag-ui
- Agent-User Interaction Protocol for Frontend Applications
- mcp-agent
- Build effective AI agents with Model Context Protocol.
Stars
- ag-ui
- 15k
- mcp-agent
- 8.5k
Forks
- ag-ui
- 1.4k
- mcp-agent
- 866
Open issues
- ag-ui
- 343
- mcp-agent
- 140
Language
- ag-ui
- Python
- mcp-agent
- Python
Adopt for
- ag-ui
- Ag-UI specializes in integrating AI agents into frontend applications using TypeScript, providing a protocol for agent-user interaction.
- mcp-agent
- Allows creation of efficient AI agents via Model Context Protocol with workflow patterns
Persona
- ag-ui
- -
- mcp-agent
- -
Runtime
- ag-ui
- -
- mcp-agent
- -
License
- ag-ui
- Ag-UI is licensed under MIT, allowing for open-source usage with contributions being openly permitted and encouraged.
- mcp-agent
- Apache-2.0
Last pushed
- ag-ui
- Aug 19, 2026
- mcp-agent
- Jan 25, 2026
Categories
- ag-ui
- AI Agents, Developer Tools
- mcp-agent
- AI Agents
Trust and health
Maintenance
- ag-ui
- Very active (96%)
- mcp-agent
- Slowing (36%)
Days since push
- ag-ui
- 0d
- mcp-agent
- 181d
Open issues (now)
- ag-ui
- 343
- mcp-agent
- 140
Stars delta
- ag-ui
- +597 (30d)
- mcp-agent
- Unknown
Open issues delta
- ag-ui
- +68 (30d)
- mcp-agent
- Unknown
Full report
- ag-ui
- Trust report
- mcp-agent
- Trust report
Choose ag-ui if…
- License: ag-ui is MIT, mcp-agent is Apache-2.0.
- Does not require specific hosting services but supports integration with cloud platforms such as Amazon Bedrock AgentCore.
- Pricing: Ag-UI itself is free (MIT licensed), but users might incur costs if they decide to integrate it with paid services like Amazon's Bedrock AgentCore..
- Tags unique to ag-ui: ag-ui-protocol, agent-frontend, agent-ui, agentic-workflow.
- Also covers Developer Tools.
- Use Ag-UI if your project leverages TypeScript and you are looking to integrate AI agents directly into frontend applications efficiently.
When NOT to use ag-ui
- Avoid using Ag-UI if your application does not require integration with specific cloud platforms like Amazon Bedrock AgentCore, as it currently has limited third-party support.
- Do not choose Ag-UI if you are developing applications that do not use TypeScript, as this limits the tool's applicability to other programming languages.
Choose mcp-agent if…
- License: mcp-agent is Apache-2.0, ag-ui is MIT.
- Tags unique to mcp-agent: agents, llm, mcp, model-context-protocol.
- Need to implement the Model Context Protocol specifically in your agent development
When NOT to use mcp-agent
- Require a more customizable approach beyond pre-defined protocol and workflows
- Project demands specific AI frameworks unsupported by Model Context Protocol directly
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (ag-ui-protocol/ag-ui) · observed Aug 20, 2026
- GitHub forks (ag-ui-protocol/ag-ui) · observed Aug 20, 2026
- Last push (ag-ui-protocol/ag-ui) · observed Aug 19, 2026
- License file (MIT) · observed Aug 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (lastmile-ai/mcp-agent) · observed Jul 26, 2026
- GitHub forks (lastmile-ai/mcp-agent) · observed Jul 26, 2026
- Last push (lastmile-ai/mcp-agent) · observed Jan 25, 2026
- License file (Apache-2.0) · observed Jul 26, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: ag-ui 15k · mcp-agent 8.5k (synced Aug 20, 2026).
Common questions
- What is the difference between ag-ui and mcp-agent?
- ag-ui: Agent-User Interaction Protocol for Frontend Applications. mcp-agent: Build effective AI agents with Model Context Protocol.. See the comparison table for live GitHub stats and shared categories.
- When should I choose ag-ui over mcp-agent?
- Choose ag-ui over mcp-agent when License: ag-ui is MIT, mcp-agent is Apache-2.0; Does not require specific hosting services but supports integration with cloud platforms such as Amazon Bedrock AgentCore; Pricing: Ag-UI itself is free (MIT licensed), but users might incur costs if they decide to integrate it with paid services like Amazon's Bedrock AgentCore.; Tags unique to ag-ui: ag-ui-protocol, agent-frontend, agent-ui, agentic-workflow; Also covers Developer Tools; Use Ag-UI if your project leverages TypeScript and you are looking to integrate AI agents directly into frontend applications efficiently.
- When should I choose mcp-agent over ag-ui?
- Choose mcp-agent over ag-ui when License: mcp-agent is Apache-2.0, ag-ui is MIT; Tags unique to mcp-agent: agents, llm, mcp, model-context-protocol; Need to implement the Model Context Protocol specifically in your agent development.
- When should I avoid ag-ui?
- Avoid using Ag-UI if your application does not require integration with specific cloud platforms like Amazon Bedrock AgentCore, as it currently has limited third-party support. Do not choose Ag-UI if you are developing applications that do not use TypeScript, as this limits the tool's applicability to other programming languages.
- When should I avoid mcp-agent?
- Require a more customizable approach beyond pre-defined protocol and workflows Project demands specific AI frameworks unsupported by Model Context Protocol directly
- Is ag-ui or mcp-agent more popular on GitHub?
- ag-ui has more GitHub stars (15,412 vs 8,478). Stars measure visibility, not whether either tool fits your constraints.
- Are ag-ui and mcp-agent open source?
- Yes - both are open-source projects on GitHub (ag-ui: MIT, mcp-agent: Apache-2.0).
- Where can I find alternatives to ag-ui or mcp-agent?
- GraphCanon lists graph-backed alternatives at ag-ui alternatives and mcp-agent alternatives (ag-ui markdown twin, mcp-agent markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, ag-ui or mcp-agent?
- ag-ui: Very active. mcp-agent: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for ag-ui and mcp-agent?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ag-ui trust report; mcp-agent trust report.