Home/Compare/relay vs agent-kit

Comparison

relay vs agent-kit

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.

Markdown twin · relay alternatives · agent-kit alternatives

GraphCanon updated Sep 20, 2026

8views this month

relay logo

relay

AgentWorkforce/relay

843pushed Sep 20, 2026
vs
agent-kit logo

agent-kit

KeyID-AI/agent-kit

661pushed Mar 13, 2026

Trust & integrity

Signalrelayagent-kit
Maintenance
Very active (0d since push)
As of Sep 20, 2026 · github_public_v1
Slowing (191d since push)
As of Sep 20, 2026 · github_public_v1
Provenance
Not a fork · Organization account
As of Sep 20, 2026 · github_public_v1
Not a fork · Organization account
As of Sep 20, 2026 · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of Jul 15, 2026 · osv@v1
No lockfile (source not queried)
As of Jul 11, 2026 · 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

relay
A hosted messaging store and router for agent collaboration
agent-kit
Give Claude/Cursor email powers with 27 tools

Stars

relay
843
agent-kit
661

Forks

relay
65
agent-kit
11

Open issues

relay
290
agent-kit
3

Language

relay
TypeScript
agent-kit
JavaScript

Adopt for

relay
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
Agent-kit enables creation of AI agents with the capability to handle email and digital communications through a JavaScript library.

Persona

relay
-
agent-kit
-

Runtime

relay
-
agent-kit
-

License

relay
Apache-2.0
agent-kit
-

Last pushed

relay
Sep 20, 2026
agent-kit
Mar 13, 2026

Categories

relay
AI Agents, Evaluation & Observability
agent-kit
AI Agents

Trust and health

Maintenance

relay
Very active (96%)
agent-kit
Slowing (36%)

Days since push

relay
0d
agent-kit
191d

Open issues (now)

relay
290
agent-kit
3

Stars delta

relay
+51 (30d)
agent-kit
-16 (30d)

Open issues delta

relay
+113 (30d)
agent-kit
+2 (30d)

Full report

agent-kit
Trust report

Shared compatibility

  • Node.js · relay: Node.js runtime · agent-kit: Node.js runtime

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

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

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 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.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: relay 843 · agent-kit 661 (synced Sep 20, 2026).

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 and agent-kit alternatives (relay markdown twin, agent-kit 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, 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; agent-kit trust report.

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