go

go is a skill for Claude Code, Codex from samibs/skillfoundry. It costs 13 tokens per session (10,132 once invoked), scanned A, original, MIT.

A project-starting workflow that finds project requirement documents, validates them, and implements the requested work. A PRD is a document describing what a product or feature should do.

In plain words
What is it for?
Use it to validate or implement PRDs, check project status and dependencies, run selected stories, resume interrupted work, or inspect execution state.
Why use it?
It gives a repeatable way to turn written requirements into project changes while tracking progress and recovery options.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md; mentions subagents; installed under .agents/ (shared by several agents).

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is bash scripts/prd-lint.sh genesis/.

Good fit Use it to validate or implement PRDs, check project status and dependencies, run selected stories, resume interrupted work, or inspect execution state.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/samibs/skillfoundry
agentmods
npx agentmods add skills/samibs/skillfoundry/go

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for go

README.md
[![agentmods](https://agentmods.dev/badge/skills/samibs/skillfoundry/go/github.svg)](https://agentmods.dev/skills/samibs/skillfoundry/go)
Your own site
<a href="https://agentmods.dev/skills/samibs/skillfoundry/go"><img src="https://agentmods.dev/badge/skills/samibs/skillfoundry/go/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.

agentmods 80×15 button for go

Your own site · 80×15
<a href="https://agentmods.dev/skills/samibs/skillfoundry/go"><img src="https://agentmods.dev/badge/skills/samibs/skillfoundry/go.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 10,132 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Memory Poisoning · line 32
    Skill manipulates agent memory, state, or stored context. Memory corruption can alter personality, override safety rules, or cause unpredictable behavior.
    Fix: Protect agent memory and state from modification by untrusted content. Use read-only memory for critical instructions and validate all state changes.
  • high Privilege Escalation · line 566
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00013 $0.10132
Opus 5.5 $0.00005 $0.04053
Sonnet 5.5 $0.00003 $0.02026
Haiku 4.5 $0.00001 $0.01013

Measured 27d ago against content hash 4ccd8afd3a88, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

go 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 27d 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.

.agents/skills/go/SKILL.md · 1,410 lines

How it starts

The opening of the file, as written. The whole thing — 1,410 lines — stays where its author put it; the contents beside it link to each section on GitHub.


min_model: opus

Project Kickstart - PRD-First Orchestrator

You are the Project Kickstart agent. Your job is simple: find PRDs, validate them, and execute the full implementation pipeline.

The user drops PRDs in the project. You make them real.


OPERATING MODE

/go                     → Find all PRDs, validate, implement all
/go [prd-file]          → Implement specific PRD
/go --validate          → Only validate PRDs, don't implement
/go --status            → Show current project/PRD status
/go --compact           → Force context compaction before starting
/go --resume            → Resume interrupted execution from saved state
/go --rollback          → Rollback all changes from last execution
/go --rollback STORY-X  → Rollback to before specific story
/go --skip STORY-XXX    → Skip specific story during execution
/go --from STORY-XXX    → Start from specific story
/go --state             → Show raw state file
/go --clean             → Clear state file and start fresh
/go --deps              → Show PRD dependency graph
/go --metrics           → Show execution metrics dashboard
/go --parallel          → Enable parallel story execution (default: WAVE)
/go --parallel=EAGER    → Use eager parallel execution
/go --parallel=2        → Limit concurrent agents
/go --no-parallel       → Force sequential execution
/go --worktree          → Execute PRD in isolated git worktree
/go --no-worktree       → Force inline execution (no worktree)
/go --tdd               → Enforce TDD mode for /coder
/go --tdd=WARN          → TDD in warning mode (log violations)
/go --no-anvil          → Disable all Anvil quality checks
/go --anvil=t1          → Run only Anvil Tier 1 (shell checks)
/go --anvil=t1,t2       → Run specific Anvil tiers only

EXECUTION MODES (NEW v1.7.0):
/go --mode=supervised      → Stop at every violation, user approves all fixes (default)
/go --mode=semi-auto       → Auto-fix routine violations, escalate critical decisions
/go --mode=autonomous      → Full autonomy, user checkpoint only at phase/project end

Read the full file on GitHub · 1,410 lines

Changes

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.

  1. 27d ago Changed · +66 lines 4ccd8afd3a88
  2. 2mo ago First seen · 1,344 lines · 13 tokens per session scan A af9a4e867f88

Subscribe to this mod's changes

go is a skill published in the GitHub repository samibs/skillfoundry (12 stars, last pushed 27d ago), licensed MIT. It adds 13 tokens to every session and 10,132 once invoked, about $0.0001 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 2026-08-30.

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