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 ai-driven-dev/framework --skill 01-costgit clone --depth 1 https://github.com/ai-driven-dev/frameworkWrote 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/ai-driven-dev/framework/01-cost)<a href="https://agentmods.dev/skills/ai-driven-dev/framework/01-cost"><img src="https://agentmods.dev/badge/skills/ai-driven-dev/framework/01-cost/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/ai-driven-dev/framework/01-cost"><img src="https://agentmods.dev/badge/skills/ai-driven-dev/framework/01-cost.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 | $0.00103 | $0.00732 |
| Opus 5 | $0.00051 | $0.00366 |
| Sonnet 5 | $0.00021 | $0.00146 |
| Haiku 4.5 | $0.00010 | $0.00073 |
Grade A, and why
01-cost 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.
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 — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cost
flowchart LR
ask([task or period]) --> locate --> collect --> report
locate -.->|"not measuring"| stopped([stopped])
collect -.->|"nothing journalled"| stopped
report --> answer([answer])
Actions
Run the flow above. Read only the next action file.
| Action | Does |
|---|---|
| locate | find the script and check the switch |
| collect | read what each tool's own files hold |
| report | choose the axis the question needs, then answer with the artefact it deserves |
The question, not the flag
Someone asking what last month cost does not know which axis answers them. Read the question, offer these axes in its own language, and derive the flags - never hand back a menu and ask them to pick.
| The question sounds like | Axis | Artefact |
|---|---|---|
| what did this cost, how much did it use | total | one total, in a line |
| what changed, which day spiked | day | a series, one row per day |
| where did it go, which step, model, tool or project took it | step, model, tool or project | a breakdown table |
| which framework task | task | one row per task declared in the period, plus the remainder with no task declared |
| per backlog item, per ticket, what did issue X cost | backlog | one row per backlog item a task declared, plus tasks that named none, plus the remainder with no task at all |
| per orchestrated run, per flow, what did that pipeline cost | flow | one row per orchestrated run the journal's own sequence names, plus the remainder that ran outside any flow |
| which subagent, what did delegation cost | agent | one row per agent that ran, plus the main thread's own row |
| which prompt, which turn, what did one request cost | prompt | one row per prompt that caused work, dated, plus the row for records naming none |
| for a report, to paste, to send, to keep | any of the above | the same artefact, written to a file |
| per person, who spent, which teammate | person | one row per resolved person plus every unresolved identity, each with the raw identities behind it |
What ships with it
3 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.
- 2d ago First seen · 53 lines · 103 tokens per session scan A 07f61088af0d
01-cost is a skill published in the GitHub repository ai-driven-dev/framework (460 stars, last pushed yesterday), licensed MIT. It adds 103 tokens to every session and 732 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 2026-09-09.
Other skills, from other repositories
image-generation
Use this skill when the user requests to generate, create, imagine, or visualize images including characters, scenes, products, or any visual content. Supports structured prompts and reference images for guided generation.
podcast-generation
Use this skill when the user requests to generate, create, or produce podcasts from text content. Converts written content into a two-host conversational podcast audio format with natural dialogue.
vercel-deploy
Deploy applications and websites to Vercel. Use this skill when the user requests deployment actions such as "Deploy my app", "Deploy this to production", "Create a preview deployment", "Deploy and give me the link", or "Push this live". No authentication required - returns preview URL and claimable deployment link.
skill-reviewer
Reviews DeerFlow skill packages for readiness, triggers, safety boundaries, resources, and evidence. Invoke when users ask to audit, grade, or production-check an existing skill.
build-monetized-app
Use when the task is building a new app on Eliza Cloud that earns money — chat apps, agent apps, MCP-backed tools, anything that calls the cloud's chat/messages/inference endpoints on behalf of users. Covers app registration, container deploy, markup configuration, affiliate header, app charge requests, x402 payment…
tmux
Remote-control tmux sessions for interactive CLIs by sending keystrokes, capturing pane output, and managing terminal multiplexer windows. Enables parallel coding-agent orchestration, background process management, and REPL interaction via sockets. Use when the agent needs to launch, monitor, or coordinate…