Codex is certified. Your project truth stays portable.
Skopos keeps the project model host-neutral. The first release certifies Codex in a real host; other adapters and instruction projections are shown without pretending their host behavior is certified.
Only “Codex certified” is a first-release real-host support claim.
01Codex certified for first release
02One repository-owned truth
03Other host verification planned
The project stays the same. The automation changes.
Memory, Tasks, project rules, Actions, Evidence, and Readiness belong to Skopos and the repository—not to one chat product.
A host integration decides whether context delivery, handoff, compaction, and completion happen automatically or through an explicit command.
What the first release can prove.
A projection can exist in source without being certified in its real host. The labels keep that difference explicit.
Swipe to compare hosts
| Capability | Codex | Claude Code | Cursor | Copilot |
|---|---|---|---|---|
| Project instruction adapterThe agent receives the repository's canonical operating contract. | Codex certifiedCanonical AGENTS.md | Projection availableGenerated CLAUDE.md; host proof planned | Projection availableGenerated Cursor rule; host proof planned | Projection availableGenerated Copilot instructions; host proof planned |
| Session context deliveryCurrent work and relevant project truth are loaded when a Session starts. | Codex certifiedWrapper-mediated | Projection availableSessionStart hook; host proof planned | Manual workflowRun session context | Manual workflowRun session context |
| Fresh-Session handoffA bounded, current handoff can move active work into a genuinely fresh Session. | Codex certifiedHost task API delivery | Manual workflowUse the reviewed handoff | Manual workflowReviewed prompt copy | Manual workflowReviewed prompt copy |
| Child-Task deliveryApproved bounded work is created in a separate host Task with its assignment intact. | Codex certifiedCreate, inject, bind, wait | Manual workflowCopy exact assignment | Manual workflowCopy exact assignment | Manual workflowCopy exact assignment |
| Origin reviewer continuityThe conversation that split the work stays responsible for reviewing the result. | Codex certifiedResult returns to origin | Manual workflowReview from Task state | Manual workflowReview from Task state | Manual workflowReview from Task state |
| Pre-compaction supportThe host can refresh a semantic Task handoff before conversation compaction. | Projection availableWrapper event available | Projection availablePreCompact hook; host proof planned | Not supportedUse a manual checkpoint | Not supportedUse a manual checkpoint |
| Completion hook supportThe host can report completion and check close Readiness at its lifecycle boundary. | Projection availableWrapper stop event | Projection availableStop hook; host proof planned | Not supportedRun readiness manually | Not supportedRun readiness manually |
| Coordination mediationClaims, ownership, and child results stay connected to the shared Task authority. | Codex certifiedHost delivery + Skopos authority | Projection availableHooks + Skopos authority; host proof planned | Manual workflowCLI + Skopos authority | Manual workflowCLI + Skopos authority |
Read the labels literally.
Shipped and backed by current real-host Codex proof for the behavior described.
The adapter, hook, or instruction projection exists, but this is not a first-release real-host certification claim.
Usable through explicit Skopos commands or a reviewed copy-and-paste handoff, without native host certification.
No native host automation for this capability today.
Choose the integration that fits your host.
The first-release certified host: real child-Task delivery, returned-thread Session binding, reviewer continuity, and a recorded fresh-session cohort.
A generated hook adapter covers Session start, prompts, edits, pre-compaction, and stop checks. Real Claude Code verification is planned, so the first release does not claim certified host behavior.
A generated project-instruction mirror is available. Session context, handoffs, and closure remain an explicit portable workflow, and real-host certification is not claimed.
A generated repository instruction file carries the project contract. Sessions, handoffs, and closure remain explicit CLI steps, without a first-release real-host certification claim.
Change agents without changing the project truth.
Start with the certified Codex integration. In another host, use only the projection or manual workflow described here until real-host verification is complete.