Strategy Radar — Mcp Draft Writer

The workflow JSON

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{
  "meta": {
    "templateCredsSetupCompleted": false,
    "description": "Strategy Radar v0.3 \u2014 MCP Draft Writer\n\nExposes a single MCP tool 'write_draft_brief' that the analyst's Claude Code (using their Claude Max subscription, NO Anthropic API key) can call to write a generated draft sector brief to the Strategy Radar app.\n\nDifference from the 18-node analysis-automation workflow: the LLM analysis (PDF extraction, opener generation, observations + actions) happens entirely in Claude Code on the analyst's machine. n8n is just the persistence hop: receive structured fields via MCP \u2192 HMAC-sign \u2192 POST /api/admin/briefs/from-n8n.\n\nSETUP:\n1. Workflow \u2192 Settings \u2192 Static Data, add:\n   - N8N_CALLBACK_SECRET: same HMAC value as N8N_CALLBACK_SECRET in src/.env.local\n   - APP_CALLBACK_URL: full URL to your app's endpoint, e.g.\n       https://<ngrok-id>.ngrok.app/api/admin/briefs/from-n8n\n     (n8n Cloud cannot reach localhost \u2014 use ngrok or a deployed app URL.)\n2. Activate the workflow.\n3. Click the MCP Server Trigger node \u2192 copy the MCP server URL + auth token.\n4. In your terminal:\n     claude mcp add strategy-radar <mcp-url> --header \"Authorization: Bearer <token>\"\n5. Verify:  claude mcp list   \u2192 'strategy-radar' should be listed.\n6. Test by attaching a publication PDF in a Claude Code session and asking for a draft brief.\n\nIF THE MCP SERVER TRIGGER NODE DOES NOT IMPORT CLEANLY:\nDelete the imported trigger and drag a fresh 'MCP Server Trigger' (under AI / LangChain category) onto the canvas. Configure the tool 'write_draft_brief' with the JSON schema documented below. Connect its main output to 'Compose Draft' and the rest of the chain stays intact.\n\nINPUT SCHEMA FOR write_draft_brief (Claude Code passes these):\n  - naceDivision         (string)  e.g., '31' or '49'\n  - openerMarkdown       (string)  200\u2013400 word Czech opener\n  - publicationBodyMarkdown (string, optional)  full Markdown of the analysed text\n  - observations         (array)   3 items: {title, body}\n  - closingActions       (array)   3 items: {title, body, time_horizon: '1m'|'3m'|'6-12m'}\n  - jobId                (string, optional)  generated if absent\n\nPRIVACY: this workflow does not persist any payload. Configure n8n Cloud retention policy to match."
  },
  "name": "Strategy Radar \u2014 MCP Draft Writer",
  "nodes": [
    {
      "parameters": {
        "path": "strategy-radar-draft",
        "tools": [
          {
            "name": "write_draft_brief",
            "description": "Write a draft sector brief to the Strategy Radar admin DB. Use this AFTER you have read the publication, generated a Czech-language opener (200\u2013400 words), 3 paired observations, and 3 paired actions with time-horizon tags. The draft will land at /admin in the app for analyst review and publish.",
            "inputSchema": {
              "type": "object",
              "properties": {
                "naceDivision": {
                  "type": "string",
                  "description": "Two-digit NACE division code, e.g. '31' (furniture) or '49' (freight)."
                },
                "openerMarkdown": {
                  "type": "string",
                  "description": "Lay-person sector summary in Czech, 200\u2013400 words. Goes into the brief's 'Sektorov\u00e1 anal\u00fdza' opener block."
                },
                "publicationBodyMarkdown": {
                  "type": "string",
                  "description": "Full Markdown of the source publication (optional). Stored as the brief's full_text_markdown."
                },
                "observations": {
                  "type": "array",
                  "minItems": 1,
                  "maxItems": 6,
                  "items": {
                    "type": "object",
                    "properties": {
                      "title": {
                        "type": "string"
                      },
                      "body": {
                        "type": "string"
                      }
                    },
                    "required": [
                      "title",
                      "body"
                    ]
                  }
                },
                "closingActions": {
                  "type": "array",
                  "minItems": 1,
                  "maxItems": 6,
                  "items": {
                    "type": "object",
                    "properties": {
                      "title": {
                        "type": "string"
                      },
                      "body": {
                        "type": "string"
                      },
                      "time_horizon": {
                        "type": "string",
                        "enum": [
                          "1m",
                          "3m",
                          "6-12m"
                        ]
                      }
                    },
                    "required": [
                      "title",
                      "body",
                      "time_horizon"
                    ]
                  }
                },
                "jobId": {
                  "type": "string",
                  "description": "Optional correlation ID. If omitted, the workflow generates one."
                }
              },
              "required": [
                "naceDivision",
                "openerMarkdown",
                "observations",
                "closingActions"
              ]
            }
          }
        ]
      },
      "id": "node-mcp-trigger",
      "name": "MCP Server Trigger",
      "type": "@n8n/n8n-nodes-langchain.mcpTrigger",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Compose the final draft payload per the n8n callback contract.\n// Same callback schema as the 18-node analysis-automation workflow's Compose Draft.\n// Difference: input fields come directly from the MCP tool call (Claude Code)\n// instead of being assembled from upstream HTTP/Code nodes.\n\nconst data = $input.first().json;\n\n// Generate a job_id if Claude Code didn't supply one.\nconst jobId = data.jobId || `mcp-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;\n\n// Czech month-year string for title + publication.heading metadata\nconst now = new Date();\nconst czechMonths = ['Leden','\u00danor','B\u0159ezen','Duben','Kv\u011bten','\u010cerven','\u010cervenec','Srpen','Z\u00e1\u0159\u00ed','\u0158\u00edjen','Listopad','Prosinec'];\nconst publicationMonth = `${czechMonths[now.getMonth()]} ${now.getFullYear()}`;\nconst isoMonth = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}`;\n\nconst draft = {\n  title: `Sektorov\u00e1 anal\u00fdza \u2014 NACE ${data.naceDivision} \u2014 ${publicationMonth}`,\n  publication_month: isoMonth,\n  publication: {\n    heading: 'Sektorov\u00e1 anal\u00fdza',\n    opener_markdown: data.openerMarkdown,\n    full_text_markdown: data.publicationBodyMarkdown || '',\n    source: `Ekonomick\u00e9 a strategick\u00e9 anal\u00fdzy \u010cesk\u00e9 spo\u0159itelny \u2014 ${publicationMonth}`,\n  },\n  observations: data.observations,\n  closing_actions: data.closingActions,\n};\n\nconst callbackPayload = {\n  jobId,\n  status: 'done',\n  draft,\n};\n\n// Read callback URL from Static Data so Claude Code doesn't need to know it.\nconst workflowData = $getWorkflowStaticData('global');\nconst callbackUrl = workflowData.APP_CALLBACK_URL || '';\nif (!callbackUrl) {\n  throw new Error('APP_CALLBACK_URL is not configured. Set it in workflow Static Data.');\n}\n\nreturn [{\n  json: { callbackUrl, callbackPayload, jobId }\n}];"
      },
      "id": "node-compose-draft",
      "name": "Compose Draft",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        460,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Sign the callback payload with HMAC-SHA256 using N8N_CALLBACK_SECRET.\n// Same logic as the 18-node workflow's Sign Callback node \u2014 produces the\n// X-Signature-256 header value the app's /api/admin/briefs/from-n8n route\n// validates before accepting the draft.\nconst crypto = require('crypto');\n\nconst workflowData = $getWorkflowStaticData('global');\nconst secret = workflowData.N8N_CALLBACK_SECRET || process.env.N8N_CALLBACK_SECRET || '';\n\nif (!secret) {\n  throw new Error('N8N_CALLBACK_SECRET is not configured. Set it in workflow Static Data.');\n}\n\nconst data = $input.first().json;\nconst bodyStr = JSON.stringify(data.callbackPayload);\nconst sig = crypto.createHmac('sha256', secret).update(bodyStr, 'utf8').digest('hex');\n\nreturn [{\n  json: {\n    callbackUrl: data.callbackUrl,\n    callbackBody: bodyStr,\n    signatureHeader: `sha256=${sig}`,\n    jobId: data.jobId,\n  }\n}];"
      },
      "id": "node-sign-callback",
      "name": "Sign Callback",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "={{ $json.callbackUrl }}",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Type",
              "value": "application/json"
            },
            {
              "name": "X-Signature-256",
              "value": "={{ $json.signatureHeader }}"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "string",
        "body": "={{ $json.callbackBody }}",
        "options": {
          "timeout": 30000,
          "response": {
            "response": {
              "neverError": true,
              "responseFormat": "json"
            }
          }
        }
      },
      "id": "node-send-callback",
      "name": "Send Callback",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        900,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Format the MCP tool's return value for Claude Code.\n// Inspect the HTTP response from /api/admin/briefs/from-n8n and convert\n// to a structured success/failure payload that Claude Code can interpret.\n\nconst input = $input.first();\nconst data = input.json;\nconst statusCode = data.statusCode ?? data.statusCode2 ?? 200;\nconst jobId = $('Sign Callback').first().json.jobId;\n\nconst body = data.body || data;\n\nif (statusCode >= 200 && statusCode < 300) {\n  return [{\n    json: {\n      success: true,\n      jobId,\n      message: `Draft brief written. Job ID: ${jobId}. Open /admin in the browser to review and publish.`,\n      appResponse: body,\n    }\n  }];\n}\n\nreturn [{\n  json: {\n    success: false,\n    jobId,\n    statusCode,\n    error: `Callback POST failed with status ${statusCode}.`,\n    appResponse: body,\n  }\n}];"
      },
      "id": "node-format-response",
      "name": "Format Response",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1120,
        300
      ]
    }
  ],
  "connections": {
    "MCP Server Trigger": {
      "main": [
        [
          {
            "node": "Compose Draft",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Compose Draft": {
      "main": [
        [
          {
            "node": "Sign Callback",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Sign Callback": {
      "main": [
        [
          {
            "node": "Send Callback",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Callback": {
      "main": [
        [
          {
            "node": "Format Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "active": false,
  "versionId": "1",
  "id": "strategy-radar-mcp-draft-writer"
}

About this workflow

Strategy Radar — MCP Draft Writer. Uses mcpTrigger, httpRequest. Event-driven trigger; 5 nodes.

Source: https://github.com/pdeaibootcamp-netizen/saap/blob/e77ec1fef11bfc08421a84b49e5ac73812a903c4/n8n-workflows/mcp-draft-writer.json — original creator credit. Request a take-down →

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