coordinate

coordinate is a skill for Claude Code, Codex from AcKeskin/contexture. It costs 90 tokens per session (3,975 once invoked), scanned A, original, MIT.

A shared file-based board for keeping multiple independent coding sessions informed about ownership, status, and hand-offs. It is for peer sessions working on the same project, not for automatically controlling subagents.

In plain words
What is it for?
Claiming work, recording session status, detecting file or task conflicts, and passing assignments or notes between live sessions.
Why use it?
It reduces collisions and confusion when several sessions work on different parts of a project at the same time.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths; mentions subagents.

Good fit Claiming work, recording session status, detecting file or task conflicts, and passing…

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Install with agentmods
npx agentmods add skills/ackeskin/contexture/coordinate
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.

Any agent
npx skills add AcKeskin/contexture --skill coordinate
Clone the repo
git clone --depth 1 https://github.com/AcKeskin/contexture

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for coordinate

README.md
[![agentmods](https://agentmods.dev/badge/skills/ackeskin/contexture/coordinate.svg)](https://agentmods.dev/skills/ackeskin/contexture/coordinate)
Your own site
<a href="https://agentmods.dev/skills/ackeskin/contexture/coordinate"><img src="https://agentmods.dev/badge/skills/ackeskin/contexture/coordinate.svg" alt="Measured on agentmods" height="20"></a>
Per session 90 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,975 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00090 $0.03975
Opus 5 $0.00045 $0.01988
Sonnet 5 $0.00018 $0.00795
Haiku 4.5 $0.00009 $0.00398

Measured 3d ago against content hash 9cd099e35095, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

coordinate 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 3d 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.

skills/coordinate/SKILL.md · 135 lines

How it starts

The opening of the file, as written. The whole thing — 135 lines — stays where its author put it; the contents beside it link to each section on GitHub.

coordinate

Multi-session coordination. The pipeline tells you to fragment/spec and /draft-plan recommend a fresh session per phase — so when you plan several things and spin up multiple live sessions (a /execute window per work-stream), they drift: session A doesn't know what B decided. coordinate is the shared memory those live, peer sessions coordinate through.

It is not orchestrate (which dispatches fire-and-forget subagents within one session and reconverges them). These are independent, user-driven peer sessions with no parent — so coordination is a passive shared board, read-at-action and written-on-change, no daemon or polling. (Folding this into orchestrate's deferred background-session runtime is a later increment.)

The board

<project-root>/.claude/sessions-active.mdgitignored, ephemeral live state (add .claude/sessions-active.md to .gitignore if .claude/ isn't already ignored). One row per active session:

# Active sessions
<!-- coordinator: <label or "none"> -->

| Session | Owns | Status | Updated | Hand-offs / assignments |
|---------|------|--------|---------|-------------------------|
| auth    | slug:auth-rework, src/auth/* | executing step 3 | 2026-06-11T14:20 | — |
| ui      | slug:settings-ui, src/ui/settings/* | drafting plan | 2026-06-11T14:05 | from auth: "changed the token contract — re-read before wiring" |

Session is a short stable label (the slug it's working on, or a user-given name like auth/ui). The board carries no secrets — paths + labels only.

Hidden identity block (write-authority + liveness). Below the visible table, a hidden HTML-comment block maps each label to the session that owns it:

<!-- identities
auth = { session: e3bd7da4-..., host: DESKTOP-X }
ui   = { session: 1a2b3c4d-..., host: DESKTOP-X }
-->

Two mechanisms read this block, both detailed below: a write-authority check (a row-mutating write must come from the session whose identity is recorded, else it is rejected-and-recorded — see Update) and a liveness check (a row is live only while its owning session's transcript is still being written — see Check). The block stays hidden so the visible table is unchanged; it still carries no secrets — a session_id is already on disk as a transcript filename, and host is a machine name. The transcript path is derived, not stored: ~/.claude/projects/<canonical-cwd-slug>/<session_id>.jsonl.

Read the full file on GitHub · 135 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. 3d ago First seen · 135 lines · 90 tokens per session scan A 9cd099e35095

Subscribe to this mod's changes

coordinate is a skill published in the GitHub repository AcKeskin/contexture (2 stars, last pushed 1mo ago), licensed MIT. It adds 90 tokens to every session and 3,975 once invoked, about $0.0005 per session on Opus 5. 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 2026-09-03.

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