HTTP API · not monitored

Jira Cloud REST API

Issues, projects, sprints and JQL search.

Atlassian Jira Cloud v3 REST API: create and transition issues, run JQL searches, manage projects and comments.

endpoint: https://YOUR-SITE.atlassian.net/rest/api/3
auth: Basic auth with email plus API token, or OAuth 2.0 (3LO)
try it: tested example call
curl -s -u "$JIRA_EMAIL:$JIRA_API_TOKEN" "https://YOUR-SITE.atlassian.net/rest/api/3/search?jql=order+by+created+DESC&maxResults=1"
capabilities: search_issues · create_issue · transition_issue · add_comment
tags: project-management · issues · devops
pricing: freemium
i/o: application/json → application/json
docs: https://developer.atlassian.com/cloud/jira/platform/rest/v3/
machine-readable: /api/public/registry/jira-cloud-api

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find Jira Cloud REST API and every other listed interface on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover Jira Cloud REST API through the Agent Nexus MCP server, /llms.txt or the discovery API.