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 agentmods add skills/is-bo/fullstack-forge-skill/fullstack-forgenpx skills add is-bo/fullstack-forge-skill --skill fullstack-forgegit clone --depth 1 https://github.com/is-bo/fullstack-forge-skillWhat 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 | $0.00019 | $0.00334 |
| Opus 5 | $0.00010 | $0.00167 |
| Sonnet 5 | $0.00004 | $0.00067 |
| Haiku 4.5 | $0.00002 | $0.00033 |
Grade A, and why
fullstack-forge 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 yesterday.
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.
This is a copy
77% identical to forge-accessibility — 12 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.
What it actually says
Fullstack Forge adapter: fullstack-forge
This file is a pointer maintained by Fullstack Forge. It exists so this agent host can discover and trigger the skill. The full playbook is not duplicated here: one canonical copy is shared by every installed host.
Read the canonical playbook now and follow it exactly:
../../../.fullstack-forge/skills/fullstack-forge/SKILL.md
That path is relative to this file. From the installation root it is
.fullstack-forge/skills/fullstack-forge/SKILL.md. Every resource the playbook references
(fullstack-forge/references/..., fullstack-forge/schemas/...,
fullstack-forge/templates/..., fullstack-forge/profiles/...) resolves relative to
.fullstack-forge/skills/.
The canonical playbook owns any deterministic composition step; perform that step exactly
once. This adapter never adds a second workflow or composition command.
Do not edit this adapter; edit the canonical playbook instead. If the canonical file is
missing or unreadable the installation is damaged. Report it and repair through the same
project-package, archive, or plugin mechanism that installed this adapter. Never fall back to
an unpinned npx forge, which may resolve an unrelated public package.
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.
- yesterday First seen · 30 lines · 19 tokens per session scan A 7af19d7eaee6
fullstack-forge is a skill published in the GitHub repository is-bo/fullstack-forge-skill (2 stars, last pushed 3d ago), licensed Apache-2.0. It adds 19 tokens to every session and 334 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 77% identical to forge-accessibility, differing in 12 lines, and is treated as a copy.
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