upload-file-from-url

Uploads a file to the wiki from a web URL.

Accepts URL/endpoint input (url)

Part of the MediaWiki MCP Server MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

@professional-wiki/mediawiki-mcp-server Write Risk 2/5

// WHEN AI AGENTS USE THIS TOOL

AI agents use upload-file-from-url to create or modify resources in MediaWiki MCP Server. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

// WHY ENFORCE A POLICY ON UPLOAD-FILE-FROM-URL

Without a policy, an AI agent could call upload-file-from-url repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach MediaWiki MCP Server.

// RECOMMENDED POLICY

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

mediawiki-mcp-server.yaml

tools:
  upload-file-from-url:
    rules:
      - action: allow
        rate_limit:
          max: 30
          window: 60

See the full MediaWiki MCP Server policy for all 16 tools.

// DETAILS

Tool Name upload-file-from-url

Category Write

MCP Server MediaWiki MCP Server MCP Server

Risk Level Medium

// MORE MEDIAWIKI MCP SERVER TOOLS

Destructive delete-page Destructive remove-wiki Write add-wiki Write create-page Write set-wiki Write update-page Write upload-file Read get-category-members

View all 16 tools →

// WHAT CAN GO WRONG

Agents calling write-class tools like upload-file-from-url have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

// OTHER WRITE TOOLS ACROSS MCP SERVERS

Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

AbraFlexi contact_create AbraFlexi contact_update AbraFlexi evidence_create AbraFlexi evidence_update AbraFlexi invoice_issued_update AbraFlexi invoice_received_create

// RELATED READING

// FAQ

What does the upload-file-from-url tool do? +

Uploads a file to the wiki from a web URL.. It is categorised as a Write tool in the MediaWiki MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on upload-file-from-url? +

Add a rule in your Intercept YAML policy under the tools section for upload-file-from-url. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the MediaWiki MCP Server MCP server.

What risk level is upload-file-from-url? +

upload-file-from-url is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit upload-file-from-url? +

Yes. Add a rate_limit block to the upload-file-from-url rule in your Intercept 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.

How do I block upload-file-from-url completely? +

Set action: deny in the Intercept policy for upload-file-from-url. 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.

What MCP server provides upload-file-from-url? +

upload-file-from-url is provided by the MediaWiki MCP Server MCP server (@professional-wiki/mediawiki-mcp-server). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

upload-file-from-url

Enforce policies on MediaWiki MCP Server