--- title: "relay vs agent-kit" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/agentworkforce-relay-vs-keyid-ai-agent-kit" tools: ["agentworkforce-relay", "keyid-ai-agent-kit"] --- # relay vs agent-kit *GraphCanon updated Sep 20, 2026* ## Verdict Pick relay if relay is a hosted messaging store and router designed for seamless communication among AI agents in real-time settings, offering fast retrieval for efficient collaboration; pick agent-kit if agent-kit enables creation of AI agents with the capability to handle email and digital communications through a JavaScript library. [relay](https://agentrelay.com) reports 843 GitHub stars, 65 forks, and 290 open issues, last pushed Sep 20, 2026. [agent-kit](https://keyid.ai) has 661 stars, 11 forks, and 3 open issues, last pushed Mar 13, 2026. Figures are from public GitHub metadata via [relay's repository](https://github.com/AgentWorkforce/relay) and [agent-kit's repository](https://github.com/KeyID-AI/agent-kit). | | [relay](/tools/agentworkforce-relay.md) | [agent-kit](/tools/keyid-ai-agent-kit.md) | | --- | --- | --- | | Tagline | A hosted messaging store and router for agent collaboration | Give Claude/Cursor email powers with 27 tools | | Stars | 843 | 661 | | Forks | 65 | 11 | | Open issues | 290 | 3 | | Language | TypeScript | JavaScript | | Adopt for | relay is a hosted messaging store and router designed for seamless communication among AI agents in real-time settings, offering fast retrieval for efficient collaboration. | Agent-kit enables creation of AI agents with the capability to handle email and digital communications through a JavaScript library. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | - | | Categories | AI Agents, Evaluation & Observability | AI Agents | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [relay](/tools/agentworkforce-relay.md) | [agent-kit](/tools/keyid-ai-agent-kit.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Slowing (36%) | | Days since push | 0d | 191d | | Open issues (now) | 290 | 3 | | Stars delta | +51 (30d) | -16 (30d) | | Open issues delta | +113 (30d) | +2 (30d) | | Full report | [trust report](/tools/agentworkforce-relay/trust.md) | [trust report](/tools/keyid-ai-agent-kit/trust.md) | ## Shared compatibility - **Node.js**: [relay](/tools/agentworkforce-relay.md) - Node.js runtime; [agent-kit](/tools/keyid-ai-agent-kit.md) - Node.js runtime ## Decision facts: relay - **Adopt for:** relay is a hosted messaging store and router designed for seamless communication among AI agents in real-time settings, offering fast retrieval for efficient collaboration. ## Decision facts: agent-kit - **Adopt for:** Agent-kit enables creation of AI agents with the capability to handle email and digital communications through a JavaScript library. ## Choose when ### Choose relay if… - relay is primarily TypeScript; agent-kit is JavaScript. - Tags unique to relay: agent-collaboration, agent-communication, real-time. - Also covers Evaluation & Observability. - When your application requires a robust hosted solution for real-time communication and orchestration of multiple AI agents ### Choose agent-kit if… - agent-kit is primarily JavaScript; relay is TypeScript. - Tags unique to agent-kit: agent, ai-agent, claude, email. - If you are working on an AI project that requires interaction with email services and other communication methods, such as SMS, using Claude or Cursor. ## When NOT to use relay - If your project mandates an on-premise deployment or strict control over the messaging infrastructure due to regulatory requirements, as relay operates exclusively as a hosted service - In scenarios where proprietary communication protocols cannot be adapted to work with relay's architecture for seamless integration ## When NOT to use agent-kit - If your project language does not align with JavaScript, considering that Agent-kit specifically requires JavaScript for its implementation. - For scenarios where strict tool licensing and version control are critical since the license information for this library is unknown. ## Common questions ### What is the difference between relay and agent-kit? relay: A hosted messaging store and router for agent collaboration. agent-kit: Give Claude/Cursor email powers with 27 tools. See the comparison table for live GitHub stats and shared categories. ### When should I choose relay over agent-kit? Choose relay over agent-kit when relay is primarily TypeScript; agent-kit is JavaScript; Tags unique to relay: agent-collaboration, agent-communication, real-time; Also covers Evaluation & Observability; When your application requires a robust hosted solution for real-time communication and orchestration of multiple AI agents. ### When should I choose agent-kit over relay? Choose agent-kit over relay when agent-kit is primarily JavaScript; relay is TypeScript; Tags unique to agent-kit: agent, ai-agent, claude, email; If you are working on an AI project that requires interaction with email services and other communication methods, such as SMS, using Claude or Cursor. ### When should I avoid relay? If your project mandates an on-premise deployment or strict control over the messaging infrastructure due to regulatory requirements, as relay operates exclusively as a hosted service In scenarios where proprietary communication protocols cannot be adapted to work with relay's architecture for seamless integration ### When should I avoid agent-kit? If your project language does not align with JavaScript, considering that Agent-kit specifically requires JavaScript for its implementation. For scenarios where strict tool licensing and version control are critical since the license information for this library is unknown. ### Is relay or agent-kit more popular on GitHub? relay has more GitHub stars (843 vs 661). Stars measure visibility, not whether either tool fits your constraints. ### Are relay and agent-kit open source? Yes - both are open-source projects on GitHub. ### Where can I find alternatives to relay or agent-kit? GraphCanon lists graph-backed alternatives at [relay alternatives](/tools/agentworkforce-relay/alternatives) and [agent-kit alternatives](/tools/keyid-ai-agent-kit/alternatives) ([relay markdown twin](/tools/agentworkforce-relay/alternatives.md), [agent-kit markdown twin](/tools/keyid-ai-agent-kit/alternatives.md)), 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](/compare/agentworkforce-relay-vs-keyid-ai-agent-kit.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, relay or agent-kit? relay: Very active. agent-kit: 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 relay and agent-kit? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [relay trust report](/tools/agentworkforce-relay/trust); [agent-kit trust report](/tools/keyid-ai-agent-kit/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=agentworkforce-relay`](/api/graphcanon/graph?tool=agentworkforce-relay) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_