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 skills add rico2035/security-skills --skill pqc-cryptogit clone --depth 1 https://github.com/rico2035/security-skillsWrote 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/skills/rico2035/security-skills/pqc-crypto)<a href="https://agentmods.dev/skills/rico2035/security-skills/pqc-crypto"><img src="https://agentmods.dev/badge/skills/rico2035/security-skills/pqc-crypto/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/skills/rico2035/security-skills/pqc-crypto"><img src="https://agentmods.dev/badge/skills/rico2035/security-skills/pqc-crypto.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 | $0.00087 | $0.00859 |
| Opus 5 | $0.00044 | $0.00430 |
| Sonnet 5 | $0.00017 | $0.00172 |
| Haiku 4.5 | $0.00009 | $0.00086 |
Grade A, and why
pqc-crypto 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 12d 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 — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PQC Cryptography Audit (Opt-In)
Verify post-quantum cryptography (PQC) implementation against FIPS 203, 204, and 205 standards. Enable this module when your project uses or plans to use quantum-resistant cryptographic algorithms.
When to Use
- Projects implementing ML-KEM, ML-DSA, or SLH-DSA
- Preparing for NIST PQC migration deadlines
- Healthcare or financial services requiring long-term data protection
- Government/defense projects with FIPS requirements
FIPS Standards
| Standard | Algorithm | Purpose |
|---|---|---|
| FIPS 203 | ML-KEM (Kyber) | Key Encapsulation Mechanism |
| FIPS 204 | ML-DSA (Dilithium) | Digital Signatures |
| FIPS 205 | SLH-DSA (SPHINCS+) | Stateless Hash-Based Signatures |
What to Check
1. Algorithm Implementation
# PQC library usage
(liboqs|oqs|pqcrypto|crystals|kyber|dilithium|sphincs)
(ml-kem|ml-dsa|slh-dsa|ML_KEM|ML_DSA|SLH_DSA)
(@noble/post-quantum|liboqs-python|pqcrypto-rs)
2. Hybrid Mode Verification
PQC should be combined with classical algorithms for defense-in-depth:
- Key exchange: X25519 + ML-KEM-1024
- Signatures: Ed25519 + ML-DSA-65
- Verify both classical and PQC results before accepting
3. Deprecated Algorithm Detection
# Must not use for new implementations
(RSA-1024|RSA-2048.*new|DES|3DES|RC4|RC2|MD5.*sign|SHA-1.*sign)
(Blowfish|CAST5|IDEA)
createCipher\('des|createCipher\('rc4
4. Key Management
- Key rotation policy exists and is automated
- Keys are stored in a Key Management Service (KMS), not in code
- Key sizes meet minimum requirements:
- ML-KEM: 768 (Level 3) or 1024 (Level 5)
- ML-DSA: 44 (Level 2), 65 (Level 3), or 87 (Level 5)
- SLH-DSA: appropriate security level for use case
5. Fallback Path
- Verify graceful fallback to classical crypto (AES-256-GCM, Ed25519)
- Fallback triggers when PQC libraries are unavailable
- Both paths are tested
6. Crypto Agility
- Algorithm selection is configurable, not hardcoded
- Migration path documented for future algorithm changes
- Version/algorithm metadata stored alongside encrypted data
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.
- 12d ago First seen · 86 lines · 87 tokens per session scan A 94b7ec0a7543
pqc-crypto is a skill published in the GitHub repository rico2035/security-skills (5 stars, last pushed 11d ago), licensed MIT. It adds 87 tokens to every session and 859 once invoked, about $0.0004 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 2026-08-31.
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