| Amnet/Dentsu | MCP | — | 🇫🇷FR | Media Trading | First French agentic campaign, MCP integration | Mar 2026 | News |
| Amnet/Dentsu | AdCP | — | 🇫🇷FR | Media Trading | Agency running first French agentic campaign | Mar 2026 | News |
| PubMatic | AdCP | — | 🇫🇷FR | Media Trading | First live agentic campaign in France via AgenticOS | Mar 2026 | News |
| PubMatic | ARTF | — | 🇺🇸US | Media Trading | ARTF and AdCP complementary roles | Feb 2026 | News |
| Promobase | MCP | — | 🇺🇸US | Media Trading | Unified Ads MCP server | Feb 2026 | Registry |
| Prebid.org | A2A | — | 🇺🇸US | Media Trading | Prebid Sales Agent A2A support | Jan 2026 | Registry |
| Prebid.org | MCP | — | 🇺🇸US | Media Trading | Prebid Sales Agent MCP integration | Jan 2026 | Registry |
| Prebid.org | AdCP | — | 🇺🇸US | Media Trading | Prebid Sales Agent - open source publisher sales automation | Jan 2026 | Registry |
| Teqblaze | AdCP | — | 🇺🇸US | Infrastructure | AdCP integration with ~12 publishers | Jan 2026 | News |
| MiQ | AdCP | — | 🇬🇧GB | Media Trading | Running AdCP tests for programmatic buying | Jan 2026 | News |
| HyperMindZ | AdCP | — | 🇺🇸US | Media Trading | IAB Deals MCP Server with AdCP support | Jan 2026 | Registry |
| Mistral | MCP | — | 🇫🇷FR | Infrastructure | MCP integration in Mistral platform | Dec 2025 | News |
| Mixpeek | MCP | — | 🇺🇸US | Creative | MCP server for multimodal content analysis | Dec 2025 | Registry |
| HyperMindZ | MCP | — | 🇺🇸US | Media Trading | Campaign orchestrator MCP server | Dec 2025 | Registry |
| Equativ | MCP | — | 🇫🇷FR | Media Trading | MCP server for programmatic SSP operations | Dec 2025 | Registry |
| Block | MCP | — | 🇺🇸US | Infrastructure | Co-founder Agentic AI Foundation | Dec 2025 | News |
| IAB Tech Lab | ARTF | — | 🇺🇸US | Infrastructure | ARTF v1.0 reference implementation | Nov 2025 | Registry |
| IAB Tech Lab | Agentic Audiences | — | 🇺🇸US | Infrastructure | Steward, open-source governance | Nov 2025 | News |
| LiveRamp | Agentic Audiences | — | 🇺🇸US | Data & Identity | Original creator, donated to IAB Tech Lab | Nov 2025 | News |
| WPP | MCP | — | 🇬🇧GB | Media Trading | Agentic marketing operations via MCP | Nov 2025 | News |
| Canva | MCP | — | 🇦🇺AU | Creative | MCP-powered design automation | Nov 2025 | News |
| Target | MCP | — | 🇺🇸US | Retail Media | Agentic marketing with MCP | Nov 2025 | News |
| Burt Intelligence | MCP | — | 🇸🇪SE | Measurement | MCP server for contextual analytics | Nov 2025 | Registry |
| Dstillery | MCP | — | 🇺🇸US | Data & Identity | MCP server for audience intelligence | Nov 2025 | Registry |
| Optable | MCP | — | 🇨🇦CA | Data & Identity | Clean room + audience activation, MCP support | Oct 2025 | News |
| Yahoo | MCP | — | 🇺🇸US | Media Trading | Founding member, MCP integration | Oct 2025 | News |
| PubMatic | A2A | — | 🇺🇸US | Media Trading | AgenticOS platform, A2A integration | Oct 2025 | News |
| PubMatic | MCP | — | 🇺🇸US | Media Trading | AgenticOS platform, MCP integration | Oct 2025 | News |
| AccuWeather | AdCP | — | 🇺🇸US | Data & Identity | Weather data and targeting agent | Oct 2025 | |
| Newton Research | AdCP | — | 🇺🇸US | Measurement | Research and analytics agent | Oct 2025 | |
| Classify | AdCP | — | 🇺🇸US | Data & Identity | Audience classification agent | Oct 2025 | |
| Butler/Till | AdCP | — | 🇺🇸US | Media Trading | Agency media buying agent | Oct 2025 | |
| Samba TV | AdCP | — | 🇺🇸US | Measurement | Cross-screen measurement agent | Oct 2025 | |
| The Weather Company | AdCP | — | 🇺🇸US | Data & Identity | Contextual data agent | Oct 2025 | |
| Raptive | AdCP | — | 🇺🇸US | Media Trading | Publisher monetization agent | Oct 2025 | |
| LG Ad Solutions | AdCP | — | 🇺🇸US | Media Trading | CTV advertising agent | Oct 2025 | |
| Kargo | AdCP | — | 🇺🇸US | Creative | Rich media creative agent | Oct 2025 | |
| Magnite | AdCP | — | 🇺🇸US | Media Trading | SSP seller agent | Oct 2025 | |
| Triton Digital | AdCP | — | 🇺🇸US | Media Trading | Audio/podcast advertising agent | Oct 2025 | |
| Swivel | AdCP | — | 🇺🇸US | Creative | Creative optimization agent | Oct 2025 | |
| Scope3 | AdCP | — | 🇺🇸US | Measurement | Carbon measurement agent | Oct 2025 | |
| Optable | AdCP | — | 🇨🇦CA | Data & Identity | Clean room + audience activation agent | Oct 2025 | |
| PubMatic | AdCP | — | 🇺🇸US | Media Trading | AgenticOS platform, founding member | Oct 2025 | |
| Yahoo | AdCP | — | 🇺🇸US | Media Trading | Founding member, media buying agent | Oct 2025 | |
| AdSkate | MCP | — | 🇺🇸US | Creative | MCP-powered creative intelligence | Oct 2025 | News |
| Amazon Ads | MCP | — | 🇺🇸US | Media Trading | Amazon Ads MCP server | Oct 2025 | Registry |
| S&P Global | A2A | — | 🇺🇸US | Data & Identity | Inter-agent communication for market intelligence | Jun 2025 | News |
| Atlassian | A2A | — | 🇦🇺AU | Infrastructure | Rovo agent A2A support | Jun 2025 | News |
| Microsoft | A2A | — | 🇺🇸US | Infrastructure | Azure AI Foundry and Copilot Studio A2A support | May 2025 | News |
| HCLTech | A2A | — | 🇮🇳IN | Infrastructure | Enterprise consulting A2A implementation | Apr 2025 | News |