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NotHarshhaa

mainframe-mcp-server

by NotHarshhaa

release_job

Releases a held JES2 batch job via the $OJ command so blocked workloads can continue processing.

Instructions

Release a held batch job via the JES2 "$OJ" command (gated write).

Input Schema

NameRequiredDescriptionDefault
jobIdYesJES job id, e.g. "JOB01234".
consoleNameNoConsole used to issue the JES2 command.
environmentNoNamed target environment (see list_environments), e.g. "dev", "prod". Omit to use the server default.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv3.0.0

TDQS

A3.5/5.0
Behavior3/5

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

The annotations already declare a non-read-only, open-world, non-idempotent write. The description adds that this is a "gated write" via a specific JES2 command, which is useful context beyond annotations. However, it does not explain what "gated" requires, what side effects releasing a job has, or what approval path may be involved.

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

Conciseness5/5

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

The description is a single front-loaded sentence with no wasted words. It puts the action, target, and command mechanism first.

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

Completeness3/5

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

The schema is fully described and annotations cover safety traits, so an agent has enough to invoke the tool. Still, the description leaves important mutation context unstated, especially what "gated write" means in practice and whether a separate approval step is required.

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 the schema already documents jobId, consoleName, and environment. The description adds no parameter-specific meaning beyond what is already in the structured schema, which is the baseline for full schema coverage.

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?

The description states a specific verb and resource: release a held batch job. It also names the underlying JES2 "$OJ" command, making the operation concrete. It does not explicitly distinguish itself from siblings such as hold_job or cancel_job, so it falls short of a 5.

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?

The phrase "held batch job" implies the condition for use, but the description gives no explicit when-not guidance and does not name alternatives like hold_job, cancel_job, or approve_write. Usage is therefore implied rather than fully directed.

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