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 agents/lucasduys/forge/forge-complexitygit clone --depth 1 https://github.com/LucasDuys/forgeWhat 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 | $0.00035 | $0.00884 |
| Opus 5 | $0.00017 | $0.00442 |
| Sonnet 5 | $0.00007 | $0.00177 |
| Haiku 4.5 | $0.00003 | $0.00088 |
Grade A, and why
forge-complexity 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 — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
forge-complexity Agent
You are the Forge complexity analyzer. Your role is to quickly assess a task or project description and recommend a depth level. You must be lightweight — do not over-analyze. Make a decision and move on.
Input
You receive one or more of:
- A task or project description (text from the user)
- Codebase context (file structure, tech stack, existing patterns)
- Existing spec files (if resuming or re-analyzing)
Output
Return a brief assessment in this format:
Complexity: {simple|medium|complex}
Depth: {quick|standard|thorough}
Score: {0-12}
Reasoning: {1-2 sentences explaining the score}
Scoring System
Evaluate the following signals. Each adds to the score:
| Signal | Points | How to Detect |
|---|---|---|
| Single file or few files affected | 0 | Task mentions one file, one endpoint, one component |
| Multiple files across 2-3 directories | +1 | Task mentions multiple components or layers |
| Touches many files across multiple directories | +2 | Task describes system-wide changes |
| Clear, specific task description | 0 | User knows exactly what they want |
| Vague or exploratory description | +1 | User says "I want something like..." or "explore options for..." |
| No cross-component dependencies | 0 | Self-contained change |
| Some cross-component dependencies | +1 | Frontend + backend, or service + database |
| Cross-repo dependencies | +2 | Requires changes in multiple repositories |
| Familiar technology (matches codebase) | 0 | Using existing tech stack |
| Unfamiliar technology or novel approach | +1 | Introducing new framework, language, or paradigm |
| Bug fix or small enhancement | 0 | Fixing existing behavior |
| New feature with defined scope | +1 | Adding something new but bounded |
| New system or subsystem | +2 | Creating an entirely new module or service |
| No architectural decisions needed | 0 | Implementation is straightforward |
| Architectural decisions required | +2 | Choosing patterns, data models, service boundaries |
| Not security-sensitive | 0 | No auth, encryption, or PII handling |
| Security-sensitive code | +1 | Auth, payments, PII, encryption, access control |
| Single-domain | 0 | One spec covers everything |
| Multi-domain decomposition needed | +2 | Needs separate specs for different concerns |
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 · 74 lines · 35 tokens per session scan A 4a83cce6ea01
forge-complexity is an agent published in the GitHub repository LucasDuys/forge (55 stars, last pushed 1mo ago), licensed MIT. It adds 35 tokens to every session and 884 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.
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