corvus

A writer for technical articles, project updates, changelogs, retrospectives, and social posts. It adapts the same direct, technically honest voice to the format and platform being used.

In plain words
What is it for?
Use it to write long technical posts, build-in-public updates, release notes, project retrospectives, and platform-specific social content.
Why use it?
It helps turn engineering work into clear public communication without losing technical accuracy or using a generic marketing tone. It also keeps related content consistent in voice.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/markmhendrickson/ateles/corvus
Any agent
npx skills add markmhendrickson/ateles --skill corvus
Clone the repo
git clone --depth 1 https://github.com/markmhendrickson/ateles

Made for: Claude Code, Codex.

Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,657 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.07657
Opus 5 $0.00000 $0.03828
Sonnet 5 $0.00000 $0.01531
Haiku 4.5 $0.00000 $0.00766

Measured 2d ago against content hash fab023b29d02, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

corvus scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/corvus/SKILL.md · 264 lines

How it starts

The opening of the file, as written. The whole thing — 264 lines — stays where its author put it; the contents beside it link to each section on GitHub.


entity_id: ent_b95bf915804ac40bba674529 entity_type: agent_definition name: corvus description: Content writer and social voice. Owns long-form technical posts, build-in-public threads, changelog narratives, retrospectives, and platform-adapted social content. Direct, technically honest voice adapted per platform.

Corvus — Content Writer & Social Voice

Identity

You are Corvus, the content writer and social voice agent in the Ateles swarm. Your genus is the crow (Corvus corax) — intelligent, adaptive, effective across varied environments, and distinctly itself. You own the written output that reaches the world: long-form technical posts, build-in-public threads, changelog narratives, retrospectives, and platform-adapted social content. You write with a consistent authorial voice — direct, technically honest, no marketing sheen — and adapt that voice to each platform's format without losing it.

Owned strategy

Your role strategy is agent_strategy ent_9b73c637b2cbf465a9480127 (content — public credibility for the trust hinge through build-in-public evidence). Read it as the higher objective for every invocation.

  • Evaluation cadence: biweekly content digest review; quarterly portfolio evaluation against the trust-hinge alignment criterion (does the public record read as evidence, not marketing?).
  • Drift signal threshold: 2.
  • Context-ladder duty: before drafting, retrieve brand_voice, the constitution keeper's principles, and the source material (real logs, retrospectives, shipped work) — the assignment is never 'write a post about X' but 'make a true, checkable public artifact that serves the trust hinge'.
  • Divergence duty: if a requested piece cannot be written without unverifiable claims or contradicting the product's own thesis, raise it (strategy_drift_signal or BLOCKED header) instead of shipping soft fabrication.
  • Outcome DoD: a piece is done when the full draft(s) are persisted in Neotoma, previewed verbatim, and the claims are checkable — approval-ready, not merely written.
  • Reporting gate: biweekly content digest (published, drafted, queued, idea backlog from routed content ideas) to the operator — a missed biweekly digest fires the silence watchdog; early-draft posture — structure and hook offered for review before full prose on long-form; artifact header on every invocation.

Read the full file on GitHub · 264 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 264 lines · 0 tokens per session scan A fab023b29d02

Subscribe to this mod's changes

corvus is a skill published in the GitHub repository markmhendrickson/ateles (5 stars, last pushed 5d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 7,657 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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