paper_update_document
Update a Paper document title/content/status/metadata. Live writes require dryRun:false, approved:true, reason, and idempotencyKey.
This record as markdown: /tools/adrata-starfield-mcp/paper-update-document.md
What paper_update_document does on Starfield
AI agents use paper_update_document to create or update resources in Starfield, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Starfield environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
id | string | Yes | |
title | string | — | |
dryRun | boolean | — | Defaults to true. Set false only after explicit user approval. |
reason | string | — | Audit reason for live writes. |
status | string | — | |
content | string | — | |
approved | boolean | — | Must be true for live writes. |
metadata | object | — | |
idempotencyKey | string | — | Required for live writes. |
expectedRevision | integer | Yes |
Parameters from the server's own tool schema.
Why paper_update_document is rated Medium
An AI agent can call paper_update_document faster than any human can review: one bad instruction and it creates or modifies resources in Starfield by the hundred, each call as confident as the last.
Risk signalsAccepts raw HTML/template content (content) · High parameter count (10 properties)
Attacks that exploit this kind of access
The rule that runs paper_update_document safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Starfield, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For paper_update_document, this is the rule to start with:
paper_update_document stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Starfield, apply this rule, and every paper_update_document call is checked against it from then on.
Questions about paper_update_document
Update a Paper document title/content/status/metadata. Live writes require dryRun:false, approved:true, reason, and idempotencyKey. It is categorised as a Write tool in the Starfield MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
paper_update_document accepts 10 parameters: id, title, dryRun, reason, status, content, approved, metadata, idempotencyKey, expectedRevision. Required: id, expectedRevision. The full parameter table on this page comes from the server's own tool schema.
Register the Starfield MCP server in PolicyLayer and add a rule for paper_update_document: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Starfield. Nothing to install.
paper_update_document is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the paper_update_document rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for paper_update_document. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
paper_update_document is provided by the Starfield MCP server (@adrata/starfield-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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