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create_upload_url

Request a short-lived presigned PUT URL for uploading publishing content. Use when content exceeds practical inline-parameter limits (~10 KB). After uploading the file to the returned URL with an HTTP PUT, pass the file_id as content_ref to submit_document or create_new_version. The URL expires in 10 minutes and accepts a single file up to 50 MB.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
run_idNoOptional. The active methodist run_id (as returned by the methodist diagnose / get_current_dose door). Pass it whenever you call this tool while working inside a run, so the call is attributed to that run for the §8 usage crosscheck — attribution is run-anchored, so it stays correct even if your access token refreshes mid-run. Must be YOUR run: a run_id owned by a different principal, or a non-existent run_id, is rejected.
expected_size_bytesNoHint for the upload size (≤50 MB is enforced on upload regardless).
expected_content_typeNoOptional hint for what you intend to upload. A magic-byte check runs on PUT; if set to application/zip or application/pdf the bytes must match that signature.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.9/5.0
Behavior5/5

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

Discloses URL expiration (10 min), size limit (50 MB), single file, magic-byte check, and run_id attribution rules. No annotations provided, so description fully covers behavioral traits.

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?

Four concise sentences, front-loaded with purpose, no redundancy. Every sentence adds value.

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

Completeness5/5

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

Complete for the tool's purpose: describes input, constraints, and follow-up actions. No output schema, but the description compensates by explaining next steps.

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

Parameters4/5

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

Schema covers parameters fully (100% coverage). Description adds helpful usage guidance for run_id and expected_content_type, enhancing understanding beyond schema.

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

Purpose5/5

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

Clearly states it requests a presigned PUT URL for uploading publishing content, distinguishing from siblings like submit_document and create_new_version by specifying the post-upload workflow.

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

Usage Guidelines5/5

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

Explicitly says when to use (content >~10 KB) and what to do after (upload to URL, then pass file_id to other tools). Provides clear context.

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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