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Poll a bulk job (free)

get_bulk_job
Read-onlyIdempotent

Status and results of a bulk job. Free: this call never spends credits. Polling is free (the work was billed at submit time); a few seconds between polls is enough.

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": {
      "job_type": "<job_type>",
      "job_id": "<job_id>"
    },
    "name": "get_bulk_job"
  }
}

Input Schema

NameRequiredDescriptionDefault
job_idYesjob_id returned by start_bulk_job.
job_typeYesSame job_type used at submit.
timeout_msNoRequest timeout in milliseconds.

Output Schema

NameRequiredDescriptionDefault
jobNo
costNo
job_idNo
resultsNo
job_typeNo
test_modeNo
test_mode_noticeNo
vocabulary_warningsNo
deprecated_params_ignoredNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed5 schema fields changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedOutput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • addedOutput schema / properties / deprecated_params_ignored / propertyNames
      Added value: +{
      +  "type": "string"
      +}
    • addedOutput schema / properties / vocabulary_warnings / items
      Added value: +{}
  2. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "cost": {
      +      "additionalProperties": false,
      +      "properties": {
      +        "amount_charged_usd": {
      +          "type": [
      +            "number",
      +            "null"
      +          ]
      +        },
      +        "billed": {
      +          "type": "string"
      +        },
      +        "note": {
      +          "type": "string"
      +        },
      +        "operation": {
      +          "type": "string"
      +        }
      +      },
      +      "type": "object"
      +    },
      +    "deprecated_params_ignored": {
      +      "additionalProperties": {
      +        "type": "string"
      +      },
      +      "type": "object"
      +    },
      +    "job": {},
      +    "job_id": {
      +      "type": "string"
      +    },
      +    "job_type": {
      +      "type": "string"
      +    },
      +    "results": {},
      +    "test_mode": {
      +      "type": "boolean"
      +    },
      +    "test_mode_notice": {
      +      "type": "string"
      +    },
      +    "vocabulary_warnings": {
      +      "type": "array"
      +    }
      +  },
      +  "type": "object"
      +}
  3. Added

TDQS

A3.8/5.0
Behavior4/5

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

Annotations already declare readOnlyHint and idempotentHint, so the description's main value-add is the cost model: the poll itself never spends credits because the work was billed at submit time. That is behavior an agent cannot infer from annotations or schema, and it directly affects how aggressively an agent may poll.

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?

Three tight sentences, front-loaded with purpose, then cost, then polling cadence. No filler and nothing repeated from the title or schema.

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?

With an output schema present, return values need no explanation, and required parameters are fully documented in the schema. The remaining gap is terminal-state semantics (what a finished vs. running job returns), which would help but is not essential given the read-only, idempotent profile.

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% — job_id, job_type (with enum), and timeout_ms are all documented in the schema. The description adds no meaning about parameter usage, so the baseline 3 applies.

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?

"Status and results of a bulk job" gives a clear verb-equivalent (retrieve status/results) and resource (bulk job). It is distinguishable from start_bulk_job via the polling framing, though the description never names the submit counterpart explicitly.

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 "a few seconds between polls is enough" gives practical polling cadence, which is genuinely useful usage guidance. However, it says nothing about when to stop polling, what terminal states look like, or when to use this versus other read tools such as get_balance.

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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