Evidence Atlas · provider record
OpenAI
first-party deep dive + Agent Plugins + ACP adapter.
ProviderOpenAI
- Coverage tier
- A
- Products
- 3
- Exact surfaces
- 6
- References
- 13
- Supported
- 63
- Partial
- 1
- Explicit no
- 5
- Unknown
- 225
No product-wide inheritance
Exact surfaces
Counts are evidence coverage and must not be read as a product quality score.
| Surface | Type / target | Tier | Supported (Y) | Partial (P) | Unsupported (N) | Unknown (?) |
|---|---|---|---|---|---|---|
| ChatGPT desktop / Codex hostchatgpt-desktop | desktopobserved 2026-08-28 | A | 11 | 0 | 0 | 38 |
| ChatGPT mobilechatgpt-mobile | mobileobserved 2026-08-28 | A | 10 | 0 | 1 | 38 |
| ChatGPT webchatgpt-web | webhosted observed 2026-08-28 | A | 11 | 0 | 1 | 37 |
| Codex ACP adaptercodex-acp-adapter | acp-adapter1.7.0 | C | 2 | 0 | 0 | 47 |
| Codex CLIcodex-cli | cliobserved 2026-08-28 | A | 20 | 1 | 0 | 28 |
| Codex IDE extensioncodex-ide | ide-extensionobserved 2026-08-28 | A | 9 | 0 | 3 | 37 |
Evidence provenance
Published references
Sources are attached to exact compatibility cells. A source does not establish support beyond the claim it documents.
- ACP Registry Agent Client Protocolregistry · reviewed 2026-08-28
- Agent Plugins compatible clients Agent Pluginsregistry · reviewed 2026-08-28
- Agent Plugins Specification 1.0.0 Agent Pluginsstandard/spec · reviewed 2026-08-28
- Agent Skills Specification Agent Skillsstandard/spec · reviewed 2026-08-28
- vendor-doc · reviewed 2026-08-28
- ChatGPT and Codex MCP OpenAIvendor-doc · reviewed 2026-08-28
- ChatGPT and Codex Plugins OpenAIvendor-doc · reviewed 2026-08-28
- Codex AGENTS.md OpenAIvendor-doc · reviewed 2026-08-28
- Codex App Server OpenAIvendor-doc · reviewed 2026-08-28
- Codex CLI OpenAIvendor-doc · reviewed 2026-08-28
- Codex Hooks OpenAIvendor-doc · reviewed 2026-08-28
- Codex MCP server OpenAIvendor-doc · reviewed 2026-08-28
- Codex non-interactive mode OpenAIvendor-doc · reviewed 2026-08-28