contextstream-coach

contextstream-coach is a skill for Claude Code, Codex from contextstream/mcp-server. It costs 94 tokens per session (2,080 once invoked), scanned A, original, MIT.

A coaching workflow that saves recurring work, drafts, feedback, and reusable guidance in a ContextStream account. It helps an agent learn from how a person improves repeated tasks such as notes, articles, recaps, or image series.

In plain words
What is it for?
Use it for repeatable content or production workflows where each round includes a draft and human feedback. It records versions and guidance so later work can reflect what was learned.
Why use it?
It keeps useful feedback from one job available for later jobs instead of making the person explain the same preferences repeatedly. It also distinguishes guidance that should be reused from feedback meant only for one draft.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents); mentions Codex.

Good fit Use it for repeatable content or production workflows where each round includes a draft and human feedback. It records versions and guidance so later work can reflect what was learned.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/contextstream/mcp-server/contextstream-coach
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 contextstream/mcp-server --skill contextstream-coach
Clone the repo
git clone --depth 1 https://github.com/contextstream/mcp-server

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 contextstream-coach

README.md
[![agentmods](https://agentmods.dev/badge/skills/contextstream/mcp-server/contextstream-coach/github.svg)](https://agentmods.dev/skills/contextstream/mcp-server/contextstream-coach)
Your own site
<a href="https://agentmods.dev/skills/contextstream/mcp-server/contextstream-coach"><img src="https://agentmods.dev/badge/skills/contextstream/mcp-server/contextstream-coach/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for contextstream-coach

Your own site · 80×15
<a href="https://agentmods.dev/skills/contextstream/mcp-server/contextstream-coach"><img src="https://agentmods.dev/badge/skills/contextstream/mcp-server/contextstream-coach.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 94 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,080 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 $0.00094 $0.02080
Opus 5.5 $0.00038 $0.00832
Sonnet 5.5 $0.00019 $0.00416
Haiku 4.5 $0.00009 $0.00208

Measured 2d ago against content hash 9b1187a49dda, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

contextstream-coach 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/coach.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

kits/agent-coach-kit/codex-cloud/.agents/skills/contextstream-coach/SKILL.md · 93 lines

How it starts

The opening of the file, as written. The whole thing — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agent Coach Kit

The person is teaching you a piece of work they need again and again. Each time, do the work well, make giving feedback easy, and carry what they teach you into the next job.

Words

  • Workflow: the recurring work (weekly-note). It has a goal: what good looks like every time.
  • Job: one occasion of the work (weekly-note#4). It has an objective: what this one must achieve.
  • Version: each draft you save (weekly-note#4/v2).
  • Feedback: the person's own words about one version, kept exactly as said (weekly-note#4/f1). It is either reusable (later jobs too) or this job only.
  • Guidance: your reading of reusable feedback (weekly-note/g3). The person can edit it, limit where it applies, retire it or remove it.

Everything lives in the person's ContextStream account. scripts/coach.py talks to it.

  • Run it as python3 .agents/skills/contextstream-coach/scripts/coach.py, written coach.py below.
  • coach.py needs network access. In Codex Cloud, run its commands with network access enabled. If one fails with "needs network access", run it again with network enabled.
  • Run coach.py doctor once per task. If it fails, show its message and stop; setup is in the kit's README.

Each job

  1. Find the workflow with coach.py list.
    • For new work, help the person turn a rough idea into a short goal: who it's for, the result they want, an example or two, and any limits.
    • Show the goal you propose in one line and ask only about what's missing. Then run coach.py create --name "..." --goal "...".
    • A rough goal is fine; it gets sharper as you go.
  2. Propose the objective.
    • coach.py get WORKFLOW shows recent objectives, the guidance, what still needs attention in an open job, and any coaching preference the person set. Feedback it shows from earlier jobs is history: never apply it.
    • Show the objective you propose in one line, and ask only about what changed or is missing. If the person asked for quick coaching, state it in that line and go on.
    • Then run coach.py start-job WORKFLOW --objective "...". To pick up an open job, use coach.py context JOB.
  3. Use what you were given. The context holds the goal, the active guidance, this job's own feedback, and approved examples. Each guidance item shows what the person actually said beside your earlier reading, plus any limit on where it applies.
    • Apply each guidance item that fits this job. If its limit says it doesn't apply here, say so.
    • Approved examples show what worked. Learn from them, but don't copy them: a different result can be just as good.
    • Feedback from other jobs is left out on purpose. Don't bring back one-off choices you remember from them.
  4. Save the draft before you show it.
    • Text: coach.py save-output JOB --file draft.md --carry-note "...".
    • A linked artifact: --url https://... in place of --file.
    • An image, audio, video or document: --media PATH in place of --file.
    • A revision: add --revises VERSION.
    • The carry note says briefly what you kept from approvals and which feedback you applied.
    • Name the same items with --carried, one each: --carried g1:applied --carried f2:kept. g1 is guidance, f2 this job's feedback, #3/f1 an earlier job's; the how is kept, adapted, applied or not_applied. Items marked applied or kept stop showing as needing attention.
  5. Show it with its version reference. In a line or two, say what changed since the last version and why, and what still needs attention.
  6. Record each reaction. When the person reacts to a version, record their words exactly: coach.py add-feedback VERSION --kind correction|approval|direction --scope reusable|this-job --text "<their words>" --reading "<your reading>"
    • Recording the reaction is part of revising; tell them what you recorded rather than asking first whether to remember it.
    • Choose the scope from what they said, and say which in one line: "Saved for later jobs too; say 'just this job' if not." Ask only when a wrong guess would matter.
    • To change the scope later: coach.py rescope FEEDBACK --scope this-job|reusable.
    • When they approve one part, add --excerpt "...". For audio or video, add --from 0:34 --to 0:41.
    • When they repeat something already in the guidance, add --repeat-of GUIDANCE. That shows the coaching didn't stick.
  7. Revise or finish.
    • When they're happy: coach.py close-job JOB --used VERSION.
    • To compare with the last job: coach.py compare JOB, then ask which is better.
    • As soon as they say, record their verdict with their words: coach.py verdict JOB --verdict better|same|worse --said "<their words>". Add --candidate VERSION when they judged a version other than the latest. It works before or after the job is closed.
    • The verdict is the person's choice.

Read the full file on GitHub · 93 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 Changed · +3 lines 9b1187a49dda
  2. 3d ago First seen · 90 lines · 94 tokens per session scan A a1e17d6f1780

Subscribe to this mod's changes

contextstream-coach is a skill published in the GitHub repository contextstream/mcp-server (44 stars, last pushed yesterday), licensed MIT. It adds 94 tokens to every session and 2,080 once invoked, about $0.0004 per session on Opus 5.5. 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 2026-10-13.

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