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.
npx skills add Jamie-BitFlight/claude_skills --skill implement-featuregit clone --depth 1 https://github.com/Jamie-BitFlight/claude_skillsWrote 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.
[](https://agentmods.dev/skills/jamie-bitflight/claude_skills/implement-feature)<a href="https://agentmods.dev/skills/jamie-bitflight/claude_skills/implement-feature"><img src="https://agentmods.dev/badge/skills/jamie-bitflight/claude_skills/implement-feature/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.
<a href="https://agentmods.dev/skills/jamie-bitflight/claude_skills/implement-feature"><img src="https://agentmods.dev/badge/skills/jamie-bitflight/claude_skills/implement-feature.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00080 | $0.04790 |
| Opus 5.5 | $0.00032 | $0.01916 |
| Sonnet 5.5 | $0.00016 | $0.00958 |
| Haiku 4.5 | $0.00008 | $0.00479 |
Grade A, and why
implement-feature scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 14d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 412 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Implement Feature (SAM Workflow Execution)
This workflow continues from add-new-feature. It executes tasks from the selected provider until complete or blocked.
<plan_ref>$ARGUMENTS</plan_ref>
Load dh:dh-cli-usage before using <sam_cli/> or <dh_scripts/> below.
Where task state lives: every command that moves a task — ready, dispatch, settle,
read, accept, reclaim, state, status — runs through the <sam_cli/> command above,
against the work ledger. The sam_plan and sam_task MCP tools answer from the content store,
which holds the plan's authored content and none of the attempt, lease, or outcome state this loop
turns on, so this workflow reaches task state through the CLI.
MCP server availability: This skill uses mcp__plugin_dh_backlog__* tools for backlog items
and artifacts. The server initializes in ~1–2 seconds after a session restart, and Claude Code
handles connection waiting automatically. If a tool is unavailable, load dh:dh-cli-usage and
follow its MCP connection check.
Resolve Plan
Treat the value from the plan_ref key as an opaque reference. Pass it unchanged to every SAM operation and delegation prompt.
Confirm the plan exists:
<sam_cli/> plan status --plan-address "{plan_ref}"
Put the Plan in the Ledger
The loop below opens an attempt per task, and an attempt is a ledger row. A plan authored through
the SAM plan operations lives in the content store, where there is nothing to open — plan dispatch on such a plan answers no task {plan_ref}/{task_id} in the ledger and the wave cannot
start. Bring the plan across before the first dispatch:
<sam_cli/> plan import --from content --plan-address "{plan_ref}"
This is safe to run when you are unsure: a plan the ledger already holds answers exists and
changes nothing. Once it has run, every plan command naming this address reads and writes the
ledger — including the status command above, which then reports the ledger's own columns.
What ships with it
2 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.
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.
- 14d ago Changed 39a4d8524e83
- 1mo ago Changed · +104 lines · +5 tokens per session 045be11a5eea
- 1mo ago Changed · -27 lines 57758f4cfc79
- 1mo ago First seen · 335 lines · 75 tokens per session scan A 97838d6e20e6
implement-feature is a skill published in the GitHub repository Jamie-BitFlight/claude_skills (67 stars, last pushed 4d ago), licensed MIT. It adds 80 tokens to every session and 4,790 once invoked, about $0.0003 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 2026-09-03.
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