PostKing · Brand Voice

Brand Voice & Quality

Keep generated and rewritten content on-brand and human-sounding — list saved voice profiles, apply one to a generation or rewrite, and run a de-slop / AI-detection pass before it ships.

Voice-profile creation is web-only. Building a new voice profile (from a writing sample, imported social posts, or a deep voice for a key author) happens in the PostKing dashboard's voice-profiles page — there is no MCP tool to create, extract, or import a voice. This skill covers what comes after: listing an existing profile and applying it.

When to Use

Use this skill when a user wants existing content rewritten in a specific saved brand voice, wants a voiceId to pass into another skill's generation call, or wants a de-slop/AI-detection pass to make text read as human before it ships.

When NOT to Use

Not for creating a new voice profile — that's web-only, done in the PostKing dashboard. Not for generating original content from scratch — that's postking-social/postking, postking-seo, postking-storylines, or postking-reddit, each of which accepts a voiceId from this skill as a parameter.

Minimal tool subset

This skill needs only these 5 tools out of PostKing's 200+:

• list_voices — list saved voice profiles with their IDs.
• rewrite_with_voice — rewrite arbitrary text in a specific saved voice.
• rewrite_text — general rewrite, optionally applying a voice profile.
• humanize_text — de-slop pass: rewrites and swaps AI-tell words/phrases to reduce AI-detection signals.
• check_ai_content — score how AI-detectable a piece of text reads.

Prerequisites

1. Authenticated with credits — see the postking-getting-started skill.
2. A brand already onboarded — see the postking-getting-started skill.

Voices get applied downstream in the postking skill (posts, blogs, landing pages, repurposing), the postking-seo skill (article writing), and the postking-storylines skill (campaign drafts).

Procedure

"Rewrite this in our brand voice and make sure it doesn't read as AI-written."

1. Build a voice (dashboard only, one-time). If no voice profile exists yet, tell the user to build one in the PostKing dashboard's voice-profiles page (from a writing sample, imported social posts, or a deep author voice) — there is no MCP tool for this step.
2. List voices. list_voices({}) — get the profileId for the voice to use.
3. Apply at generation time (preferred). Pass that voice id as the voice/voiceProfileId param directly on generate_post, generate_blog_post, generate_landing_page, repurpose_content, or reddit_rewrite — no separate rewrite pass needed. These tools live in the postking, postking-seo, postking-storylines, and postking-reddit skills.
4. Apply to existing text. rewrite_with_voice({ profileId, text, platform }) — or rewrite_text({ text, voice: profileId, platform }) for a lighter-touch pass.
5. De-slop / humanize. humanize_text({ text, platform }) — strips AI-tell words and clichés and reduces AI-detection signals. Run this after voice rewriting, right before the text ships.
6. Score it. check_ai_content({ text }) — returns an AI-detection score + analysis. If the score is poor, re-run humanize_text and check again.

CLI fast path

pking voice list lists saved voices (equivalent to list_voices). Beyond that, the MCP path above is primary — do not assume additional pking flags exist for rewrite/humanize without checking pking --help first.

Expected Output

Content rewritten in a chosen brand voice, then de-slopped for lower AI-detection signal, with a check_ai_content score confirming the result reads as human.

Pitfalls

• list_voices returns empty — no voice profile exists yet; build one in the PostKing dashboard (creation is web-only, not available via MCP).
• INSUFFICIENT_CREDITS — surface the checkoutUrl from the error envelope and stop, or hand off to the postking-getting-started skill's billing section (billing_list_packs → billing_topup).
• RATE_LIMITED — back off using the retryAfter value from the error envelope before retrying.
• UNAUTHORIZED — re-run the login flow described in the postking-getting-started skill.

Verification

• list_voices({}) should return successfully; a non-empty result confirms at least one profile exists to reference.
• After humanize_text, check_ai_content({ text }) on the result should return an improved (lower AI-likelihood) score than the original.