adcontextprotocol

adcp-media-buy

@adcontextprotocol/adcp-media-buy
adcontextprotocol
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Updated 1/18/2026
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Execute AdCP Media Buy Protocol operations with sales agents - discover advertising products, create and manage campaigns, sync creatives, and track delivery. Use when users want to buy advertising, create media buys, interact with ad sales agents, or test advertising APIs.

Installation

$skills install @adcontextprotocol/adcp-media-buy
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Details

Pathskills/adcp-media-buy/SKILL.md
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Scoped Name@adcontextprotocol/adcp-media-buy

Usage

After installing, this skill will be available to your AI coding assistant.

Verify installation:

skills list

Skill Instructions


name: adcp-media-buy description: Execute AdCP Media Buy Protocol operations with sales agents - discover advertising products, create and manage campaigns, sync creatives, and track delivery. Use when users want to buy advertising, create media buys, interact with ad sales agents, or test advertising APIs.

AdCP Media Buy Protocol

This skill enables you to execute the AdCP Media Buy Protocol with sales agents. Use the call_adcp_agent tool to send requests to sales agents.

Overview

The Media Buy Protocol provides 8 standardized tasks for managing advertising campaigns:

TaskPurposeResponse Time
get_productsDiscover inventory using natural language~60s
list_authorized_propertiesSee publisher properties~1s
list_creative_formatsView creative specifications~1s
create_media_buyCreate campaignsMinutes-Days
update_media_buyModify campaignsMinutes-Days
sync_creativesUpload creative assetsMinutes-Days
list_creativesQuery creative library~1s
get_media_buy_deliveryGet performance data~60s

Typical Workflow

  1. Discover products: get_products with a natural language brief
  2. Review formats: list_creative_formats to understand creative requirements
  3. Create campaign: create_media_buy with selected products and budget
  4. Upload creatives: sync_creatives to add creative assets
  5. Monitor delivery: get_media_buy_delivery to track performance

Task Reference

get_products

Discover advertising products using natural language briefs.

Request:

{
  "brief": "Looking for premium video inventory for a tech brand targeting developers",
  "brand_manifest": {
    "url": "https://example.com"
  },
  "filters": {
    "channels": ["video", "ctv"],
    "budget_range": { "min": 5000, "max": 50000 }
  }
}

Key fields:

  • brief (string): Natural language description of campaign requirements
  • brand_manifest (object): Brand context - can be { "url": "https://..." } or inline manifest
  • filters (object, optional): Filter by channels, budget, delivery_type, format_types

Response contains:

  • products: Array of matching products with product_id, name, description, pricing_options
  • Each product includes format_ids (supported creative formats) and targeting (available targeting)

list_authorized_properties

Get the list of publisher properties this agent can sell.

Request:

{}

No parameters required.

Response contains:

  • publisher_domains: Array of domain strings the agent is authorized to sell

list_creative_formats

View supported creative specifications.

Request:

{
  "format_types": ["video", "display"]
}

Key fields:

  • format_types (array, optional): Filter to specific format categories

Response contains:

  • formats: Array of format specifications with dimensions, requirements, and asset schemas

create_media_buy

Create an advertising campaign from selected products.

Request:

{
  "buyer_ref": "campaign-2024-q1-001",
  "brand_manifest": {
    "url": "https://acme.com",
    "name": "Acme Corporation"
  },
  "packages": [
    {
      "buyer_ref": "pkg-video-001",
      "product_id": "premium_video_30s",
      "pricing_option_id": "cpm-standard",
      "budget": 10000
    }
  ],
  "start_time": {
    "type": "asap"
  },
  "end_time": "2024-03-31T23:59:59Z"
}

Key fields:

  • buyer_ref (string, required): Your unique identifier for this campaign
  • brand_manifest (object, required): Brand identity - URL or inline manifest
  • packages (array, required): Products to purchase, each with:
    • buyer_ref: Your identifier for this package
    • product_id: From get_products response
    • pricing_option_id: From product's pricing_options
    • budget: Amount in dollars
    • bid_price: Required for auction pricing
    • targeting_overlay: Additional targeting constraints
    • creative_ids or creatives: Creative assignments
  • start_time (object, required): { "type": "asap" } or { "type": "scheduled", "datetime": "..." }
  • end_time (string, required): ISO 8601 datetime

Response contains:

  • media_buy_id: The created campaign identifier
  • status: Current state (often pending for async approval)
  • packages: Created packages with their IDs

update_media_buy

Modify an existing campaign.

Request:

{
  "media_buy_id": "mb_abc123",
  "updates": {
    "budget_change": 5000,
    "end_time": "2024-04-30T23:59:59Z",
    "status": "paused"
  }
}

Key fields:

  • media_buy_id (string, required): The campaign to update
  • updates (object): Changes to apply - budget_change, end_time, status, targeting, etc.

sync_creatives

Upload and manage creative assets.

Request:

{
  "creatives": [
    {
      "creative_id": "hero_video_30s",
      "name": "Brand Hero Video",
      "format_id": {
        "agent_url": "https://creative.adcontextprotocol.org",
        "id": "video_standard_30s"
      },
      "assets": {
        "video": {
          "url": "https://cdn.example.com/hero.mp4",
          "width": 1920,
          "height": 1080,
          "duration_ms": 30000
        }
      }
    }
  ],
  "assignments": {
    "hero_video_30s": ["pkg_001", "pkg_002"]
  }
}

Key fields:

  • creatives (array, required): Creative assets to sync
    • creative_id: Your unique identifier
    • format_id: Object with agent_url and id from format specifications
    • assets: Asset content (video, image, html, etc.)
  • assignments (object, optional): Map creative_id to package IDs
  • dry_run (boolean): Preview changes without applying
  • delete_missing (boolean): Archive creatives not in this sync

list_creatives

Query the creative library with filtering.

Request:

{
  "filters": {
    "status": ["active"],
    "format_types": ["video"]
  },
  "limit": 20
}

get_media_buy_delivery

Retrieve performance metrics for a campaign.

Request:

{
  "media_buy_id": "mb_abc123",
  "granularity": "daily",
  "date_range": {
    "start": "2024-01-01",
    "end": "2024-01-31"
  }
}

Response contains:

  • delivery: Aggregated metrics (impressions, spend, clicks, etc.)
  • by_package: Breakdown by package
  • timeseries: Data points over time if granularity specified

Key Concepts

Brand Manifest

Brand context can be provided in two ways:

  1. URL reference (recommended):
{
  "brand_manifest": {
    "url": "https://brand.com"
  }
}
  1. Inline manifest:
{
  "brand_manifest": {
    "name": "Brand Name",
    "url": "https://brand.com",
    "tagline": "Brand tagline",
    "colors": { "primary": "#FF0000" }
  }
}

Format IDs

Creative format identifiers are structured objects:

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "display_300x250"
  }
}

The agent_url specifies which creative agent defines the format. Use https://creative.adcontextprotocol.org for standard IAB formats.

Pricing Options

Products include pricing_options array. Each option has:

  • pricing_option_id: Use this in create_media_buy
  • pricing_model: "cpm", "cpm-auction", "flat-fee", etc.
  • price: Base price (for fixed pricing)
  • floor: Minimum bid (for auction)

For auction pricing, include bid_price in your package.

Asynchronous Operations

Operations like create_media_buy and sync_creatives may require human approval. The response includes:

  • status: "pending" - Operation awaiting approval
  • task_id - For tracking async progress

Poll or use webhooks to check completion status.


Error Handling

Common error patterns:

  • 400 Bad Request: Invalid parameters - check required fields
  • 401 Unauthorized: Invalid or missing authentication token
  • 404 Not Found: Invalid product_id, media_buy_id, or creative_id
  • 422 Validation Error: Schema validation failure - check field types

Error responses include:

{
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "budget must be greater than 0",
      "field": "packages[0].budget"
    }
  ]
}

Testing Mode

For testing without real transactions, agents may support:

  • X-Dry-Run: true header - Preview without side effects
  • Test products with test: true flag
  • Sandbox environments

Ask the agent about testing capabilities before creating real campaigns.