Ghostwrite

Write one bounded artifact in the voice of the human or team responsible for it. The skill turns validated evidence and a clear objective into useful public or internal prose without exposing the machinery that produced the evidence or inventing facts to make the draft feel complete.

This is the reusable authorship primitive behind briefs, release notes, trust reports, maintainer updates, newsletters, and social drafts. It can also package an accepted draft for a channel and prepare a provider-neutral handoff. It never publishes, posts, sends, or claims provider acknowledgement.

Writing standard

• Lead with the reader's problem, decision, or next action—not the evidence collection process.
• Turn evidence into concrete claims and examples; do not dump receipts, issue threads, graph traces, or machine packets into the body.
• Match the project's vocabulary and supplied writing context instead of defaulting to generic AI, launch, preview, or adoption language.
• Write as the responsible maintainer or operator. The surfaced artifact should not call itself agent-generated or narrate how a model worked.
• Prefer one sharp, useful artifact over several thin sections.
• Narrow the claim or return needs_more_evidence rather than filling a gap with plausible prose.

Runners and chain boundaries

draft admits a ready research or evidence packet and optionally applies digest-bound brand-voice and taste-profile context. Only admitted claims and source digests may enter the draft. Deterministic finalization verifies every material claim and every context binding before releasing it.

package converts a validated draft into a deterministic channel payload with quality checks and not_sent state. handoff records the exact target, boundary, approval need, and next actor. Neither runner grants external authority. Delivery belongs to send-as, a publication skill, or the relevant provider adapter.

Inputs and result

• objective, audience, and channel define what the artifact must achieve.
• The evidence input must be a validated packet with stable claim and source digests; raw assertions are not promoted into evidence.
• Optional writing-context packets apply voice or taste. Their exact digests and only the rules actually used are recorded.
• Packaging and handoff runners accept the validated draft or packet and the exact target metadata needed by the next boundary.

The draft result contains the content brief, reader-facing body with claim references, review checklist, distribution notes, and writing-context bindings. Packaging returns a channel payload and QA state. Handoff returns a provider-neutral next-action contract without delivery evidence.

Stop conditions

• Withhold the draft when material claims lack admitted evidence.
• Reject unknown source or writing-context digests and any context rule that was not present in the supplied packet.
• Do not let voice guidance turn an unsupported factual claim into a safe one.
• Do not mark a package published, delivered, acknowledged, or approved merely because its local formatting succeeded.
• Keep confidential source content and secrets out of public bodies and handoff metadata.

Example

A research packet supports three claims about a release. A brand-voice packet asks for direct, evidence-led language. draft can write a concise release note using those claims and record the voice packet digest. package can create the newsletter payload. handoff can point to the email provider lane. None of those steps means the newsletter was approved or sent.

Agent task contract

ghostwrite-draft

Write only from the supplied evidence context. Return the content brief, draft, review checklist, distribution notes, and exact context bindings. Every material claim must cite admitted source digests. When writing contexts are present, record each exact packet digest and only rules actually applied. Return needs_more_evidence when the requested artifact cannot be supported. Do not add publication state, provider claims, or facts absent from the evidence.