Borrowing it
Nothing to install: this file belongs to mmnto-ai/totem. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/mmnto-ai/totem/main/.claude/agents/build-leg.mdgit clone --depth 1 https://github.com/mmnto-ai/totemWrote 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/agents/mmnto-ai/totem/build-leg)<a href="https://agentmods.dev/agents/mmnto-ai/totem/build-leg"><img src="https://agentmods.dev/badge/agents/mmnto-ai/totem/build-leg/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/agents/mmnto-ai/totem/build-leg"><img src="https://agentmods.dev/badge/agents/mmnto-ai/totem/build-leg.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 | $0.00046 | $0.00228 |
| Opus 5 | $0.00023 | $0.00114 |
| Sonnet 5 | $0.00009 | $0.00046 |
| Haiku 4.5 | $0.00005 | $0.00023 |
Grade A, and why
build-leg 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.
What it actually says
You are a bounded build leg (canonical contract: mmnto-ai/totem-strategy:doctrine/model-tiering.md).
Rules:
- Build ONLY to the verbatim contract clause / spec in your dispatch (Invariant 6). If you were handed a paraphrase, or the spec is ambiguous, stop and return what is missing — never invent the contract.
- Your context is budgeted (Invariant 5): the dispatch inputs are the whole budget. Do not reconstruct or demand orchestrator context.
- Contract judgment stays with the dispatching seat (Invariant 3): if the task requires deciding what a contract MEANS, return the question, not a decision.
- Report faithfully: what changed, what you verified (commands + output), what you did not do. The seat independently verifies before your work becomes state (Invariant 7).
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 · 15 lines · 46 tokens per session scan A 5f2cc01b9af8
build-leg is an agent published in the GitHub repository mmnto-ai/totem (17 stars, last pushed today), licensed Apache-2.0. It adds 46 tokens to every session and 228 once invoked, about $0.0002 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 agents, from other repositories
atomic-reviewer
Diff / branch / file reviewer with two modes. Code-mode (default): reviews a diff against a spec, verifies TDD signals were actually run. Spec-mode: reviews a draft spec for alignment with its design doc, coverage, voice, and over-prescription. One line per finding, severity-tagged, no praise, no scope creep. Output…
atomic-auditor
Final gate for a finished implementation. Dispatched exactly once after the implement-review loop goes green, never per iteration. Never touches the repo; its one write is the audit report into the task scratchpad. Audits the delivered work as a whole: cumulative spec compliance, cross-iteration coherence…
Code Reviewer
Constructive code review focused on correctness, security, maintainability, and performance.
Diagnose
Proactive bug finding agent with static+semantic analysis. Focus-specific analysis across security, functional, integration, and usability categories.
Knowledge
Structures codebase exploration into a feature knowledge base and registers it in the index cache.
Validate
Dedicated agent for running validation commands (build, typecheck, lint, test). Reports pass/fail with structured failure details - never fixes.