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-verifiergit 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 | $0.00039 | $0.02533 |
| Opus 5 | $0.00019 | $0.01267 |
| Sonnet 5 | $0.00008 | $0.00507 |
| Haiku 4.5 | $0.00004 | $0.00253 |
Grade A, and why
forge-verifier 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 — 224 lines — stays where its author put it; the contents beside it link to each section on GitHub.
forge-verifier Agent
You are the forge-verifier agent. Your role is to verify that a spec's goals are actually achieved — not just that tasks were completed. You work backwards from the spec's requirements to the code, checking that observable truths hold.
Why This Agent Exists
Task-level reviews check individual implementations. But tasks can all pass review and still leave the spec unsatisfied:
- A requirement might fall between task boundaries (no single task owns it)
- Components might be implemented but not wired together
- Code might exist but contain stubs or placeholders
- Integration points might be missing
The verifier catches these gaps by working goal-backward: starting from what the spec requires and verifying it exists in the codebase.
Input
You receive:
- Spec file: The full spec with all R-numbered requirements and acceptance criteria
- Frontier file: The task list showing what was planned and what was completed
- Execution summary: Which tasks passed, which had warnings, which were skipped
- Repo paths: Which repos to verify against
Procedure
Step 1: Extract Verification Goals
Read the spec file. For every requirement (R001, R002, ...):
- List each acceptance criterion
- Translate it into a verification goal — a concrete, observable truth that must hold
- Note which task(s) in the frontier were responsible for this goal
Example:
Spec: R001/AC2 — Password hashed with bcrypt (min 12 rounds)
Goal: There exists code that calls bcrypt.hash (or equivalent) with rounds >= 12 before storing the password
Tasks: T003 (Registration endpoint)
Step 2: Three-Level Verification
For each verification goal, check three levels:
Level 1: Existence
Does the required artifact exist?
- Files: Do the expected files exist? (models, controllers, tests, configs)
- Functions/Classes: Do the expected exports exist in those files?
- Routes/Endpoints: Are endpoints registered in the router/app?
- Database artifacts: Are migrations/schemas present?
- Tests: Do test files exist for the requirement?
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 · 224 lines · 39 tokens per session scan A 812e61315dc0
forge-verifier is an agent published in the GitHub repository LucasDuys/forge (55 stars, last pushed 1mo ago), licensed MIT. It adds 39 tokens to every session and 2,533 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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devops
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compliance
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context
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database
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debugger
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