Best cryptography skills for Claude Code, Codex and other agents.

Shows how to call NEAR AI Cloud through an OpenAI-compatible API and verify that inference ran in a TEE, using attestation checks and signed chat responses.

internet-court/internet-court-skill

Guides Stripe integration decisions — API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, Treasury financial…

kanchengw/cnllm

Security code review for vulnerabilities. An agent skill from getsentry/skills.

getsentry/skills

Git for agent identity — one identity, any apps. An agent skill from newtype-ai/nit.

newtype-ai/nit

Manage secrets and PKI with HashiCorp Vault. An agent skill from BagelHole/DevOps-Security-Agent-Skills.

BagelHole/DevOps-Security-Agent-Skills

Migrate a .NET 9 project or solution to .NET 10 and resolve all breaking changes.

dotnet/skills

End-to-end Stellar development playbook. An agent skill from VelaPayments/vela-payments.

VelaPayments/vela-payments

Authenticate to Elasticsearch using native, file-based, LDAP/AD, SAML, OIDC, Kerberos, JWT, or certificate realms.

aspectrr/deer

Start a local Django development server and make HTTP requests against it for interactive endpoint testing

mathiasertl/django-ca

Guides Stripe integration decisions across development and test environment planning (separate sandboxes vs the shared test mode sandbox), API selection (Checkout Sessions vs PaymentIntents)…

fossasia/eventyay

Add an EAP authentication method (e.g. An agent skill from talkincode/toughradius.

talkincode/toughradius

Instructions for running, writing, and maintaining tests in this project

mathiasertl/django-ca

Reviews APIs, configuration schemas and library interfaces for footguns, the designs where the easy path leads to insecure use, using a four-phase analysis.

trailofbits/skills

Explores and triages a CycloneDX BOM interactively with the cdxi REPL, using built-in commands for dependency trees, licenses, services, cryptographic assets, audit findings, evidence occurrences…

cdxgen/cdxgen

Finds sensitive data that C, C++ or Rust code never wipes from memory, including wipes the compiler optimizes away, using source, assembly and control-flow analysis.

trailofbits/skills

This skill retrieves upcoming earnings announcements for US stocks using the Financial Modeling Prep (FMP) API.

tradermonty/claude-trading-skills

Reference for building with near-api-js v7 in TypeScript or JavaScript: accounts, keys, signing, contract calls, tokens, unit conversion and meta-transactions on NEAR.

internet-court/internet-court-skill

Provides cryptography attack techniques for CTF challenges. An agent skill from ljagiello/ctf-skills.

ljagiello/ctf-skills

Deploy and manage AI agent workloads with GPU checks, API key management, and health monitoring

bolivian-peru/os-moda

Active Directory Certificate Services (AD CS) escalation techniques ESC1 through ESC17, driven by hand with Certipy (ly4k).

ADScanPro/Claude-AD

Security guidelines for writing secure code. An agent skill from semgrep/skills.

semgrep/skills

Builds and debugs Arcium encrypted computation apps on Solana: Arcis circuits, Anchor orchestration, encrypted inputs and the init, queue and callback flow.

sendaifun/skills

Audit cryptography implementation — algorithm choice, key sizes, KDF parameters, IV/nonce handling, signature verification, randomness, TLS configuration, and key rotation.

briiirussell/cybersecurity-skills

Teaches the agent to use the WebCrypt MCP server for AES-256-GCM symmetric encryption, RSA-4096 hybrid encryption, key generation, digital signatures, hashing, and post-quantum cryptography.

putervision/state-memory-mcp

A skill your agent uses when assessing cryptography — TLS/PKI auditing, RSA/ECC key attacks, ECDSA nonce lattice recovery, symmetric/AEAD misuse, JWT/JOSE forgery, hash cracking, post-quantum…

hypnguyen1209/offensive-claude

Paid API marketplace for AI agents via Corbits. An agent skill from moonpay/skills.

moonpay/skills

Security review of an open-autonomy agent service — cryptographic key handling, dynamic code execution, ABCI authentication and replay, secret exposure, dependency supply chain, and deployment…

valory-xyz/open-autonomy

Guides authorized password-hash recovery with hashcat for security audits, forensic cases and policy testing, starting with an explicit authorization check before any cracking runs.

AgentSecOps/SecOpsAgentKit

This skill should be used when the user asks to "review the security architecture", "check authentication patterns", "evaluate trust boundaries", "review encryption implementation", "assess…

bitwarden/ai-plugins

Generates a CycloneDX Cryptographic Bill of Materials (CBOM) with the cdxgen cbom command, inventorying cryptographic algorithms, certificates, keys, and protocol usage from source code and hosts…

cdxgen/cdxgen

Comprehensive security engineering skill for application security, penetration testing, security architecture, and compliance auditing.

davila7/claude-code-templates

A skill your agent uses when the user asks to log in or out with a wallet session, fetch a wallet sign-in challenge, verify an externally signed challenge, or troubleshoot AltLLM Portal wallet login…

internet-court/internet-court-skill

A skill your agent uses when the user asks to create a NOWPayments crypto payment link, poll payment status, or execute a supported direct wallet payment through the AltLLM Portal CLI.

internet-court/internet-court-skill

Compiles cryptographic code and inspects the assembly or bytecode for variable-time instructions, then triages which flagged operations actually touch secrets.

trailofbits/skills

Turns a cryptographic protocol's source code, RFC, paper or ProVerif or Tamarin model into a Mermaid sequence diagram annotated with each cryptographic operation.

trailofbits/skills

Converts a Mermaid sequence diagram of a cryptographic protocol into a ProVerif model file ready for checking secrecy, authentication and forward secrecy.

trailofbits/skills

Uses mutation testing on cryptographic implementations to find coverage gaps, then writes new test vectors for the uncovered paths and compares kill rates to show they help.

trailofbits/skills

Manage cryptographic keys using Azure Key Vault Keys SDK for JavaScript (@azure/keyvault-keys).

microsoft/skills

Azure Key Vault Keys Java SDK for cryptographic key management.

microsoft/skills

A skill your agent uses when reviewing code for security vulnerabilities, hardening an application, or deriving security requirements from OWASP/ASVS guidance.

jellydn/my-ai-tools

Advanced GPG multi-key management strategies for consultants, CI/CD automation, and enterprise teams.

Prorise-cool/Claude-Code-Multi-Agent

Validates cryptographic implementations against Project Wycheproof's test vectors, which encode known attacks and edge cases across AES, RSA, ECDSA, ECDH, and more.

trailofbits/skills

Manage SSL/TLS certificates with Let's Encrypt and internal PKI.

sickn33/agentic-awesome-skills

Azure Key Vault Keys SDK for .NET. An agent skill from microsoft/skills.

microsoft/skills

Secure key management for AI agents. An agent skill from profbernardoj/everclaw-community-branches.

profbernardoj/everclaw-community-branches

Static security review for Flutter mobile apps and Dart code: hardcoded secrets, insecure storage, unsafe network calls, leaky logs, vulnerable dependencies.

VeryGoodOpenSource/vgv-ai-flutter-plugin

Agent skill for security-manager - invoke with $agent-security-manager

ruvnet/ruflo

Measures timing side channels in cryptographic implementations by running them, using dudect for statistical analysis and Timecop over Valgrind for dynamic tracing.

trailofbits/skills