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registry / software / jsr

JSR

The open-source package registry for modern JavaScript and TypeScript. JSR is a modern package registry for JavaScript and TypeScript that works with many runtimes (Node.js, Deno, Bun, browsers, and more) and is backwards compatible with npm.

AUDITED 6H AGOUNCLAIMED· jsr.io
50
DISCOVER67
UNDERSTAND31
ADOPT60
OPERATE41
OverviewGET /v1/profile/jsr
Overall
50
Discover
67
Understand
31
Adopt
60
Operate
41

17/38 applicable signals pass. Open the Capabilities tab for the full signal breakdown, or Issues for the highest-impact gaps.

Agent compatibility
Claude Code✓ TESTED
Codex✓ TESTED
Cursor✓ TESTED
Installed the published MCP server and ran a call end to end.
Score history+8 · 12mo
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Claim the profile to submit API, MCP, and CLI endpoints, provide test credentials for continuous audits, and embed the badge.

company email · DNS · GitHub org
Badge
agentready50/100
<a href="https://stackresolve.dev/registry/jsr"><img src="https://api.stackresolve.dev/badge/jsr.svg" alt="AgentReady score" /></a>

Frequently asked about JSR

What is JSR's AgentReady score?
JSR scores 50/100 on the AgentReady: discovery 67, understanding 31, adoption 60, operability 41. The score rates how ready JSR is for an AI agent to use without a human.
Does JSR have an MCP server?
Yes. JSR publishes an MCP server, so an AI agent can connect to it over the Model Context Protocol.
Does JSR have a free tier?
Yes, JSR has a free tier you can start on without a sales call.
Is JSR good for AI agents?
JSR is partially ready for AI agents, with an AgentReady of 50/100. It is strongest on discovery.