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 mir-am/skills-agents-ai-coding --skill save-plangit clone --depth 1 https://github.com/mir-am/skills-agents-ai-codingWrote 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/mir-am/skills-agents-ai-coding/save-plan)<a href="https://agentmods.dev/skills/mir-am/skills-agents-ai-coding/save-plan"><img src="https://agentmods.dev/badge/skills/mir-am/skills-agents-ai-coding/save-plan/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/mir-am/skills-agents-ai-coding/save-plan"><img src="https://agentmods.dev/badge/skills/mir-am/skills-agents-ai-coding/save-plan.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 | $0.00022 | $0.00588 |
| Opus 5 | $0.00011 | $0.00294 |
| Sonnet 5 | $0.00004 | $0.00118 |
| Haiku 4.5 | $0.00002 | $0.00059 |
Grade A, and why
save-plan 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 9d 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 — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.
What I do
- Create
.opencode/plans/directory in the project if it doesn't exist - Derive a topic-based filename in kebab-case from the plan subject (e.g.
add-csv-export.md) - Write the final plan the agent has devised as freeform markdown — agent decides structure and content
- If a plan file for the same topic already exists, overwrite it with the latest version
- Confirm the saved file path to the user
When to use me
Use this skill when:
- User asks to save, record, or write down the current plan
- User asks to update an existing plan with latest changes
- Agent has finished devising a plan and the user wants it persisted
Workflow
-
Create directory:
mkdir -p .opencode/plans -
Derive filename:
- Extract the main topic or subject of the plan from conversation context
- Format as kebab-case:
<topic>.md - Examples:
add-csv-export.md,refactor-auth-module.md,migrate-to-postgres.md - Keep it concise (3-5 words max)
- Fallback:
plan.mdif topic is unclear
-
Check for existing file:
- If
.opencode/plans/<filename>.mdalready exists → overwrite with the latest plan - No need to prompt the user; silent overwrite is the expected behavior
- If
-
Write plan:
- Content is freeform markdown — the agent decides the structure based on the plan it devised
- Write exactly the plan that was discussed/devised in the conversation
- Do not add boilerplate or enforce a fixed template; let the plan speak for itself
-
Confirm to user:
- Report the file path:
.opencode/plans/<filename>.md - State whether it was created or updated
- Report the file path:
Edge Cases
- No plan devised yet: Do not save. Tell the user there is no plan to save yet and offer to devise one first.
- Unclear topic: Use
plan.mdas the filename, or ask the user for a one-word topic if context is truly ambiguous. - Not a git repo / no project root: Save relative to the current working directory;
.opencode/plans/still works. - Multiple unrelated plans in one session: Each gets its own topic-based filename and can coexist in
.opencode/plans/.
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.
- 9d ago First seen · 60 lines · 22 tokens per session scan A 975d02e5a2f3
save-plan is a skill published in the GitHub repository mir-am/skills-agents-ai-coding (2 stars, last pushed 4mo ago), licensed MIT. It adds 22 tokens to every session and 588 once invoked, about $0.0001 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 2026-08-31.
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