Skills extract-contract-clause-data
Extract parties, dates, and clauses from a contract into structured JSON for legal review workflows.
install
source · Clone the upstream repo
git clone https://github.com/iterationlayer/skills
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/iterationlayer/skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/extract-contract-clause-data" ~/.claude/skills/iterationlayer-skills-extract-contract-clause-data && rm -rf "$T"
manifest:
skills/extract-contract-clause-data/SKILL.mdsource content
Extract Contract Clause Data
Legal teams and contract management platforms use this recipe to automate contract review. Upload a contract and receive structured JSON with involved parties, key dates, and individual clauses — ready for a compliance check, risk analysis, or contract database.
APIs Used
Document Extraction (1 credit per page)
Prerequisites
You need an Iteration Layer API key. Get one at platform.iterationlayer.com — free trial credits included, no credit card required.
For full integration guidance (SDKs, auth, MCP, error handling), see the Iteration Layer Integration Guide.
Implementation
curl -X POST https://api.iterationlayer.com/document-extraction/v1/extract \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "files": [ { "type": "url", "name": "contract.pdf", "url": "https://example.com/contracts/service-agreement.pdf" } ], "schema": { "fields": [ { "name": "parties", "type": "ARRAY", "description": "Parties involved in the contract", "fields": [ { "name": "name", "type": "TEXT", "description": "Name of the party" }, { "name": "role", "type": "TEXT", "description": "Role of the party (e.g. client, provider)" } ] }, { "name": "effective_date", "type": "DATE", "description": "Date the contract takes effect" }, { "name": "termination_date", "type": "DATE", "description": "Date the contract expires or terminates" }, { "name": "clauses", "type": "ARRAY", "description": "Individual contract clauses", "fields": [ { "name": "title", "type": "TEXT", "description": "Clause heading or title" }, { "name": "content", "type": "TEXTAREA", "description": "Full text of the clause" } ] } ] } }'
import { IterationLayer } from "iterationlayer"; const client = new IterationLayer({ apiKey: "YOUR_API_KEY" }); const result = await client.extract({ files: [ { type: "url", name: "contract.pdf", url: "https://example.com/contracts/service-agreement.pdf", }, ], schema: { fields: [ { name: "parties", type: "ARRAY", description: "Parties involved in the contract", fields: [ { name: "name", type: "TEXT", description: "Name of the party", }, { name: "role", type: "TEXT", description: "Role of the party (e.g. client, provider)", }, ], }, { name: "effective_date", type: "DATE", description: "Date the contract takes effect", }, { name: "termination_date", type: "DATE", description: "Date the contract expires or terminates", }, { name: "clauses", type: "ARRAY", description: "Individual contract clauses", fields: [ { name: "title", type: "TEXT", description: "Clause heading or title", }, { name: "content", type: "TEXTAREA", description: "Full text of the clause", }, ], }, ], }, });
from iterationlayer import IterationLayer client = IterationLayer(api_key="YOUR_API_KEY") result = client.extract( files=[ { "type": "url", "name": "contract.pdf", "url": "https://example.com/contracts/service-agreement.pdf", } ], schema={ "fields": [ { "name": "parties", "type": "ARRAY", "description": "Parties involved in the contract", "fields": [ { "name": "name", "type": "TEXT", "description": "Name of the party", }, { "name": "role", "type": "TEXT", "description": "Role of the party (e.g. client, provider)", }, ], }, { "name": "effective_date", "type": "DATE", "description": "Date the contract takes effect", }, { "name": "termination_date", "type": "DATE", "description": "Date the contract expires or terminates", }, { "name": "clauses", "type": "ARRAY", "description": "Individual contract clauses", "fields": [ { "name": "title", "type": "TEXT", "description": "Clause heading or title", }, { "name": "content", "type": "TEXTAREA", "description": "Full text of the clause", }, ], }, ] }, )
package main import il "github.com/iterationlayer/sdk-go" func main() { client := il.NewClient("YOUR_API_KEY") result, err := client.Extract(il.ExtractRequest{ Files: []il.FileInput{ il.NewFileFromURL("contract.pdf", "https://example.com/contracts/service-agreement.pdf"), }, Schema: il.ExtractionSchema{ "parties": il.NewArrayFieldConfig( "parties", "Parties involved in the contract", il.ExtractionSchema{ "name": il.NewTextFieldConfig( "name", "Name of the party", ), "role": il.NewTextFieldConfig( "role", "Role of the party (e.g. client, provider)", ), }, ), "effective_date": il.NewDateFieldConfig( "effective_date", "Date the contract takes effect", ), "termination_date": il.NewDateFieldConfig( "termination_date", "Date the contract expires or terminates", ), "clauses": il.NewArrayFieldConfig( "clauses", "Individual contract clauses", il.ExtractionSchema{ "title": il.NewTextFieldConfig( "title", "Clause heading or title", ), "content": il.NewTextFieldConfig( "content", "Full text of the clause", ), }, ), }, }) if err != nil { panic(err) } }
{ "name": "Extract Contract Clause Data", "nodes": [ { "parameters": { "content": "## Extract Contract Clause Data\n\nLegal teams and contract management platforms use this recipe to automate contract review. Upload a contract and receive structured JSON with involved parties, key dates, and individual clauses \u2014 ready for a compliance check, risk analysis, or contract database.\n\n**Note:** This workflow uses the Iteration Layer community node (`n8n-nodes-iterationlayer`). Install it via Settings > Community Nodes before importing. Self-hosted n8n only.", "height": 280, "width": 500, "color": 2 }, "type": "n8n-nodes-base.stickyNote", "typeVersion": 1, "position": [ 200, 40 ], "id": "6e40f220-51d4-4a97-ad58-88b23de638e5", "name": "Overview" }, { "parameters": { "content": "### Step 1: Extract Data\nResource: **Document Extraction**\n\nConfigure the Document Extraction parameters below, then connect your credentials.", "height": 160, "width": 300, "color": 6 }, "type": "n8n-nodes-base.stickyNote", "typeVersion": 1, "position": [ 475, 100 ], "id": "bf59c222-8e4c-4369-86ab-6be21dce4a57", "name": "Step 1 Note" }, { "parameters": {}, "type": "n8n-nodes-base.manualTrigger", "typeVersion": 1, "position": [ 250, 300 ], "id": "e5f6a7b8-c9d0-1234-efab-345678901234", "name": "Manual Trigger" }, { "parameters": { "resource": "documentExtraction", "schemaInputMode": "rawJson", "schemaJson": "{\"fields\":[{\"name\":\"parties\",\"type\":\"ARRAY\",\"description\":\"Parties involved in the contract\",\"fields\":[{\"name\":\"name\",\"type\":\"TEXT\",\"description\":\"Name of the party\"},{\"name\":\"role\",\"type\":\"TEXT\",\"description\":\"Role of the party (e.g. client, provider)\"}]},{\"name\":\"effective_date\",\"type\":\"DATE\",\"description\":\"Date the contract takes effect\"},{\"name\":\"termination_date\",\"type\":\"DATE\",\"description\":\"Date the contract expires or terminates\"},{\"name\":\"clauses\",\"type\":\"ARRAY\",\"description\":\"Individual contract clauses\",\"fields\":[{\"name\":\"title\",\"type\":\"TEXT\",\"description\":\"Clause heading or title\"},{\"name\":\"content\",\"type\":\"TEXTAREA\",\"description\":\"Full text of the clause\"}]}]}", "files": { "fileValues": [ { "fileInputMode": "url", "fileName": "contract.pdf", "fileUrl": "https://example.com/contracts/service-agreement.pdf" } ] } }, "type": "n8n-nodes-iterationlayer.iterationLayer", "typeVersion": 1, "position": [ 500, 300 ], "id": "f6a7b8c9-d0e1-2345-fabc-456789012345", "name": "Extract Data", "credentials": { "iterationLayerApi": { "id": "1", "name": "Iteration Layer API" } } } ], "connections": { "Manual Trigger": { "main": [ [ { "node": "Extract Data", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1" } }
Extract contract clause data from the file at [file URL]. Use the extract_document tool with these fields: - parties (ARRAY): Each with name (TEXT) and role (TEXT) - effective_date (DATE): Date the contract takes effect - termination_date (DATE): Date the contract expires or terminates - clauses (ARRAY): Each with title (TEXT) and content (TEXTAREA)
Response
{ "success": true, "data": { "parties": { "value": [ { "name": { "value": "Nexus Technologies Inc.", "confidence": 0.98, "citations": ["Nexus Technologies Inc."] }, "role": { "value": "Client", "confidence": 0.96, "citations": ["hereinafter the \"Client\""] } }, { "name": { "value": "CloudServe Solutions LLC", "confidence": 0.97, "citations": ["CloudServe Solutions LLC"] }, "role": { "value": "Provider", "confidence": 0.95, "citations": ["hereinafter the \"Provider\""] } } ], "confidence": 0.96, "citations": [] }, "effective_date": { "value": "2026-04-01", "confidence": 0.98, "citations": ["effective as of April 1, 2026"] }, "termination_date": { "value": "2028-03-31", "confidence": 0.97, "citations": ["terminating on March 31, 2028"] }, "clauses": { "value": [ { "title": { "value": "Limitation of Liability", "confidence": 0.98, "citations": ["Section 8: Limitation of Liability"] }, "content": { "value": "Neither party shall be liable for any indirect, incidental, or consequential damages arising out of this agreement, except in cases of gross negligence or willful misconduct.", "confidence": 0.94, "citations": [ "Neither party shall be liable for any indirect, incidental, or consequential damages" ] } }, { "title": { "value": "Confidentiality", "confidence": 0.99, "citations": ["Section 5: Confidentiality"] }, "content": { "value": "Both parties agree to maintain the confidentiality of all proprietary information disclosed during the term of this agreement for a period of three years following termination.", "confidence": 0.93, "citations": [ "maintain the confidentiality of all proprietary information" ] } } ], "confidence": 0.95, "citations": [] } } }