0n3
MCP servers · Jira · MCP server

Connect Codex CLI to Jira

One line gives Codex CLI your Jira account as tools: 12 endpoints, issues, projects, sprints, called with your own connection. No key in the prompt, a receipt for every call, revoke Codex CLI's access alone any time.

Get the line for Codex CLIConnect Jira first

Three steps

  1. Create a free 0n3 account and connect Jira. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Codex CLI. OpenAI's terminal agent reads 0n3 over Streamable HTTP with a token from your environment.
  3. Ask Codex CLI: whoami. Then: "Search issues in Jira".
Put the token in your environment
export ON3_TOKEN="<your 0n token>"

Add it to your shell profile so Codex finds it next time.

The line above carries a placeholder; 0n3.app/install mints a real key named for Codex CLI and fills it in.

What Codex CLI can then do in Jira

Issues · Full issue lifecycle management10
Search issuesPOST /search
Create an issuePOST /issue
Get an issueGET /issue/{issueIdOrKey}
Update an issuePUT /issue/{issueIdOrKey}
Delete an issueDELETE /issue/{issueIdOrKey}
Transition issuePOST /issue/{issueIdOrKey}/transitions
Get transitionsGET /issue/{issueIdOrKey}/transitions
Add a commentPOST /issue/{issueIdOrKey}/comment
List commentsGET /issue/{issueIdOrKey}/comment
Assign an issuePUT /issue/{issueIdOrKey}/assignee
Projects · List and view projects2
List projectsGET /project
Get a projectGET /project/{projectIdOrKey}
Sprints · View sprints and boards0
View sprints and boards
Comments · Add and view issue comments0
Add and view issue comments

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