implementation

implementation is a skill for Claude Code from iamcxa/kc-claude-plugins. It costs 23 tokens per session (576 once invoked), scanned A, a copy of ideation, MIT.

A controlled implementation step for the kc-dev-flow-2 development workflow. It carries out an accepted outcome using the task's recorded profile, scope, and stage instructions.

In plain words
What is it for?
Use it to build the accepted result for a dispatched task while following the applicable project and stage references.
Why use it?
It prevents implementation from silently changing an approved decision or using the wrong workflow profile.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the kc-dev-flow-2 plugin — 10 skills, 3 agents shipped together

Good fit Use it to build the accepted result for a dispatched task while following the applicable project and stage references.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add iamcxa/kc-claude-plugins
Claude Code
/plugin install kc-dev-flow-2

Made for: Claude Code.

Or install kc-dev-flow-2, the plugin that ships this one along with the rest of its 10 skills, 3 agents.

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 implementation

README.md
[![agentmods](https://agentmods.dev/badge/skills/iamcxa/kc-claude-plugins/implementation/github.svg)](https://agentmods.dev/skills/iamcxa/kc-claude-plugins/implementation)
Your own site
<a href="https://agentmods.dev/skills/iamcxa/kc-claude-plugins/implementation"><img src="https://agentmods.dev/badge/skills/iamcxa/kc-claude-plugins/implementation/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 implementation

Your own site · 80×15
<a href="https://agentmods.dev/skills/iamcxa/kc-claude-plugins/implementation"><img src="https://agentmods.dev/badge/skills/iamcxa/kc-claude-plugins/implementation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 576 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 88% copy Near-identical to another mod 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 $0.00023 $0.00576
Opus 5.5 $0.00009 $0.00230
Sonnet 5.5 $0.00005 $0.00115
Haiku 4.5 $0.00002 $0.00058

Measured 18d ago against content hash a4b5e77d0f48, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

implementation 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 18d 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.

Origin

This is a copy

88% identical to ideation — 10 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

kc-dev-flow-2/skills/implementation/SKILL.md · 47 lines

How it starts

The opening of the file, as written. The whole thing — 47 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implementation

Invocation: kc-dev-flow-2:implementation

Package root: ${CLAUDE_PLUGIN_ROOT} <package> in this skill and its linked files is this root. If the value above is not an absolute path, the root is two directories above this SKILL.md.

Read the framework for authority and stage ownership. Required inputs: the exact work item, recorded variant/profile, current stage, approved scope and the stage's available artifact/evidence. Resolve inconsistencies with FO rather than inferring a selection or loading another variant.

Profile routes

Profile Availability Profile principles Stage reference
poc active poc poc
pilot active pilot pilot
prod active prod prod

Select the recorded row and read its shared profile principles first, then stage principles, then that row's stage reference and relevant adopted project learning. A skip row means report the inapplicable dispatch; do not perform stage work or create an extra gate. Unknown profiles or missing references require a hold report, not a default route. Before useful work, a resumed or reused worker re-establishes these inputs and loads the current selected references. End the dispatch context with a short profile/boundary reminder rather than another copy of the rules. When work changes retained documents or behavior they describe, read retained-document practices. Return the stage output and unresolved decisions to FO in a stage report Spacedock 0.27.2 parses by exact form: a ## Stage Report: <stage> heading with nothing else on that line, then unindented - DONE: <item>, - SKIPPED: <item>, or - FAILED: <item> bullets — not - [x]. Checklist parsing stops at the first ### sub-heading, so put any ### sections after the bullets, not inside them. FAILED: marks only an item that was not met; a report with nothing failed has no FAILED: bullet, and a summary such as "FAILED: none" is never a bullet. This skill grants no state, approval or delivery authority.

Read the full file on GitHub · 47 lines

Files

What ships with it

4 files 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. 18d ago Changed · +6 lines a4b5e77d0f48
  2. 27d ago Changed · +4 lines 4b95a94cdf5b
  3. 1mo ago First seen · 37 lines · 23 tokens per session scan A 05f17cdb5157

Subscribe to this mod's changes

implementation is a skill published in the GitHub repository iamcxa/kc-claude-plugins (3 stars, last pushed today), licensed MIT. It adds 23 tokens to every session and 576 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 88% identical to ideation, differing in 10 lines, and is treated as a copy.

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