Add FinalApproval — human-in-the-loop approval gate for AI agents (#111)

Signed-off-by: Patrick McCurley <patrick.mccurley@toptal.com>

Author: pmccurley87

servers/ai.finalapproval-mcp-npx.json

@@ -0,0 +1,72 @@
+{
+  "$schema": "../schemas/server-definition.schema.json",
+  "id": "ai.finalapproval-mcp-npx",
+  "name": "FinalApproval (npx)",
+  "alias": "finalapproval",
+  "description": "Human-in-the-loop approval gate for AI agents. Your agent calls submit_approval before any irreversible action; a human reviews on a branded page and a signed webhook fires back with the decision.",
+  "icon": "https://finalapproval.ai/favicon.ico",
+  "schema_version": "2.1",
+  "categories": [
+    "developer-tools",
+    "productivity"
+  ],
+  "tags": [
+    "approval",
+    "human-in-the-loop",
+    "agent-safety",
+    "webhook",
+    "governance"
+  ],
+  "transport": {
+    "type": "stdio",
+    "command": "npx",
+    "args": [
+      "-y",
+      "@finalapproval/mcp-server"
+    ],
+    "env": {
+      "FINALAPPROVAL_API_KEY": "${input:FINALAPPROVAL_API_KEY}"
+    },
+    "metadata": {
+      "inputs": [
+        {
+          "id": "FINALAPPROVAL_API_KEY",
+          "label": "FinalApproval API Key",
+          "description": "Channel API key from your FinalApproval workspace (starts with fa_).",
+          "type": "text",
+          "required": true,
+          "secret": true,
+          "placeholder": "fa_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
+          "obtain": {
+            "url": "https://finalapproval.ai",
+            "instructions": "1. Sign up at finalapproval.ai\n2. Create a channel\n3. Copy the channel API key (starts with fa_)",
+            "button_label": "Get API Key"
+          }
+        }
+      ]
+    }
+  },
+  "auth": {
+    "type": "api_key",
+    "instructions": "Create a channel at finalapproval.ai and copy its API key."
+  },
+  "contributor": {
+    "name": "FinalApproval",
+    "github": "finalapproval",
+    "url": "https://finalapproval.ai"
+  },
+  "links": {
+    "repository": "https://github.com/finalapproval/final-approval-mcp",
+    "homepage": "https://finalapproval.ai",
+    "documentation": "https://github.com/finalapproval/final-approval-mcp#readme"
+  },
+  "platforms": [
+    "all"
+  ],
+  "capabilities": {
+    "tools": true,
+    "resources": false,
+    "prompts": false,
+    "read_only_mode": false
+  }
+}