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atlassian-mcp__jira_get_issue

Read-only

Get detailed information about a specific Jira issue by its key (e.g. PROJ-123). Returns summary, status, priority, assignee, reporter, description, labels, dates, comments count, and attachments.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "issue_key": "<issue_key>"
    },
    "name": "atlassian-mcp__jira_get_issue"
  }
}

Input Schema

NameRequiredDescriptionDefault
accountNoOptional email address of the connected account to use (e.g. 'user@gmail.com'). If omitted, the default account is used.
issue_keyYesThe issue key (e.g. PROJ-123)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The readOnlyHint annotation already establishes this is a safe read. The description adds real value by enumerating what comes back (summary, status, priority, assignee, labels, dates, attachment list) and by clarifying that comments are only a count, not full bodies. It says nothing about permissions, field availability, or truncation of long descriptions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with the action and required input. The return-field enumeration is long but earns its place given there is no output schema; slight trimming would make it tighter.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter read tool with no output schema, the description covers what the agent needs: how to identify the issue and what data will be returned. The only gap is guidance on when to prefer jira_search or jira_get_comments instead.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so both parameters are already documented, including the optional account override. The description only restates the issue_key example that the schema provides, adding no new meaning beyond it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Get detailed information about a specific Jira issue by its key') plus a concrete key example. It implicitly separates itself from jira_search by requiring a key rather than a query, but never names an alternative, so it falls short of full sibling differentiation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied: an agent can infer it should call this once it already has an issue key. There is no explicit when-to-use/when-not statement, nor a pointer to jira_search for discovering keys or jira_get_comments for full comment threads.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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