{"version":"2.1.319","anchor":"mcp-input-validation-for-siteapp-access-tools","canonical_anchor":"mcp-input-validation-for-siteapp-access-tools","heading":"Site and app access tools reject calls missing a URL or reason","tier":"notice","area":"Connectors","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.319\/e\/mcp-input-validation-for-siteapp-access-tools","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.319","markdown":"### Site and app access tools reject calls missing a URL or reason\n\nSome connector tools for site and app access now refuse a call without a text URL or reason, and explain how to fix it\n\n**What**\n\nSome connector tools ask for access to a website or an app. A call to one of them that lacks a URL, or a reason, given as text now fails with an input error and a note saying how to fix it. The error codes include `SITE_ACCESS_URL_ABSENT` and `APP_ACCESS_REASON_ABSENT`.\n\n**Why**\n\nClaude gets a clear hint and can correct the call itself instead of failing without explanation.\n\n- Area: Connectors\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}