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 instructions/marve10s/better-fullstack/agents-mdgit clone --depth 1 https://github.com/Marve10s/Better-FullstackWhat 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 | $0.01062 | $0.01062 |
| Opus 5 | $0.00531 | $0.00531 |
| Sonnet 5 | $0.00212 | $0.00212 |
| Haiku 4.5 | $0.00106 | $0.00106 |
Grade A, and why
Better-Fullstack AGENTS.md 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 — 48 lines — stays where its author put it; the contents beside it link to each section on GitHub.
This file provides the small set of project-wide instructions agents should read before working in Better-Fullstack. Keep detailed, area-specific guidance in docs/guidelines/ instead of growing this file with task notes.
For documentation work or when the right source of project knowledge is unclear, read
docs/README.md. It defines document authority, lifecycle, and routing. Use CONTEXT.md for the
current domain language and docs/next-updates-roadmap.md for product priority.
Guidelines
Do not bulk-read docs/guidelines/. Open a guideline when the request matches its topic. One exception is mandatory, not optional: adding any new library, tool, or category to any ecosystem requires reading docs/guidelines/adding-new-tool-options/ first.
See docs/guidelines/ for deeper reference on these topics:
README.md- folder purpose, usage rules, and quick index for all guideline filesarchitecture-and-ownership.md- monorepo package ownership and where changes belongstack-graph-and-config-authority.md- graph authority, Role Binding ownership, flat projections, and graph-safe mutationslifecycle-commands-and-mcp.md- create/add/update/check semantics, plan/apply safety, baselines, and CLI/MCP paritygenerated-artifacts-and-sync.md- generated-file producers, authoritative inputs, and safe regeneration in dirty worktreestelemetry-privacy-and-internal-tools.md- telemetry allowlists, ingest privacy, aggregate access, and fail-closed internal toolspublic-docs-i18n-and-seo.md- public content authority, translation fallback, schema-derived references, and agent/SEO surfacesstack-options-and-compatibility.md- schema source of truth, canonical option metadata, aliases, and compatibility rulesgenerator-change-playbook.md- how option changes flow through templates, snapshots, CLI output, and web previewsweb-builder-and-url-state.md- stack builder state, URL parsing, lazy-route constraints, and preview wiringtesting-release-and-upstream.md- targeted verification commands, release guard expectations, and upstream backport workflowpreview-publishing-security.md- PR preview threat model, trusted artifact boundary, environment setup, and workflow guardscripted-cli-runs.md- safe non-interactive CLI usage, prompt-avoidance flags, and matrix-testing caveatsproduction-package-testing.md- how to use thetesting/workspace for published npm-package validation cyclestemplate-output-and-validation.md- template conditional logic, generated output validation, sync test discipline, and framework-specific constraintsremotion-video-style.md- default visual style, color system, motion rules, and branding for Remotion videos in this projectdesign-reading-guide.md- ordered index of design-related markdown (agent skills + BF video style), precedence when sources conflict, and commands to verify coveragescaffbench-benchmark.md- ScaffBench protocol, execution, validation, and publication rulesadding-new-tool-options/- read this subfolder when adding any new library, tool, or category to any ecosystem (TypeScript, Rust, Go, Python). Covers every file that must be touched, with worked examples, template handler reference, test patterns, and routing edge cases (Convex skips, self-backend, frontend array detection, processor ordering)
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 · 48 lines · 1,062 tokens per session scan A aa0e436e602d
Better-Fullstack AGENTS.md is an instructions file published in the GitHub repository Marve10s/Better-Fullstack (726 stars, last pushed 3d ago), licensed MIT. It adds 1,062 tokens to every session, about $0.0053 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 2026-08-30.
Other instructions, from other repositories
drizzle-cube CLAUDE.md
Instructions for cliftonc/drizzle-cube, covering claude.md, project structure, agent documentation context, database support and essential commands.
flarestarter CLAUDE.md
Instructions for FlareStarter/flarestarter: This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
better-drizzle GEMINI.md
Instructions for almeidazs/better-drizzle: Use AGENTS.md as the repository-wide source of truth.
better-drizzle CLAUDE.md
Instructions for almeidazs/better-drizzle: Use AGENTS.md as the repository-wide source of truth.
evjs AGENTS.md
Instructions for afx-team/evjs, covering agents.md, start here, source map, working rules and validation.
ai-coding-primer CLAUDE.md
Instructions for ammonhaggerty/ai-coding-primer, covering claude.md, repository structure, guidebook chapters, constraints and writing tone.