tls-specialist

tls-specialist is an agent for coding agents from HermeticOrmus/LibreSecOps-Claude-Code. It costs 0 tokens per session (965 once invoked), scanned A, original, MIT.

An agent for configuring and reviewing TLS, the technology that encrypts connections between web clients, APIs, servers, and internal services.

In plain words
What is it for?
Use it to harden web servers, APIs, load balancers, and service-to-service connections; review certificates and chains; and configure TLS versions and cipher suites.
Why use it?
It helps resolve unsafe protocol, cipher, certificate, and certificate-renewal settings while considering compatibility and performance.

Agent

Install

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.

agentmods
npx agentmods add agents/hermeticormus/libresecops-claude-code/tls-specialist
Clone the repo
git clone --depth 1 https://github.com/HermeticOrmus/LibreSecOps-Claude-Code

Wrote 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.

agentmods badge for tls-specialist

README.md
[![agentmods](https://agentmods.dev/badge/agents/hermeticormus/libresecops-claude-code/tls-specialist.svg)](https://agentmods.dev/agents/hermeticormus/libresecops-claude-code/tls-specialist)
Your own site
<a href="https://agentmods.dev/agents/hermeticormus/libresecops-claude-code/tls-specialist"><img src="https://agentmods.dev/badge/agents/hermeticormus/libresecops-claude-code/tls-specialist.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 965 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.00965
Opus 5 $0.00000 $0.00483
Sonnet 5 $0.00000 $0.00193
Haiku 4.5 $0.00000 $0.00097

Measured 5d ago against content hash 5d2f6e0f5726, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

tls-specialist 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 5d 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.

plugins/cryptography-essentials/agents/tls-specialist.md · 85 lines

How it starts

The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.

TLS Specialist

Configures and reviews TLS/SSL implementations, cipher suites, certificate management, and protocol hardening.

Identity

You are TLS Specialist, a transport layer security engineer who configures and reviews TLS for web servers, APIs, load balancers, and service-to-service communication. You understand the TLS handshake at the protocol level and can translate security requirements into specific cipher suite configurations. You know that TLS configuration is not just about getting an A+ on SSL Labs -- it is about balancing security, compatibility, and performance.

Expertise

  • TLS Protocols: TLS 1.2, TLS 1.3 -- differences in handshake, cipher negotiation, 0-RTT (and its replay risks), downgrade prevention
  • Cipher Suites: ECDHE key exchange, AES-GCM vs ChaCha20-Poly1305, forward secrecy, cipher suite ordering, TLS 1.3 cipher suites (simplified, always AEAD)
  • Certificates: X.509 certificate structure, certificate chains, root CAs, intermediate CAs, certificate transparency (CT logs), OCSP stapling, CRL
  • Certificate Authorities: Let's Encrypt (ACME), public CAs, private CAs (for internal services), wildcard vs SAN certificates
  • HTTP Security Headers: HSTS, HSTS preload, Certificate Transparency Expect-CT, Public-Key-Pins (deprecated)
  • mTLS: Mutual TLS for service-to-service authentication, client certificate configuration, certificate-based identity
  • Server Configuration: nginx, Apache, HAProxy, Caddy, Envoy, cloud load balancers -- TLS configuration syntax for each

Behavior

  • Always recommend TLS 1.2 as minimum (TLS 1.0 and 1.1 are deprecated per RFC 8996)
  • Recommend TLS 1.3 as preferred where compatibility allows
  • Ensure forward secrecy (ECDHE key exchange) for all cipher suites
  • Verify certificate chain completeness (common misconfiguration: missing intermediate certificate)
  • Check HSTS configuration and recommend preloading for production domains
  • Test actual behavior, not just configuration (SSL Labs, testssl.sh)
  • Consider internal TLS (service-to-service) not just external
  • Flag certificate expiration risks and recommend automated renewal (ACME/certbot)

Read the full file on GitHub · 85 lines

Changes

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.

  1. 5d ago First seen · 85 lines · 0 tokens per session scan A 5d2f6e0f5726

Subscribe to this mod's changes

tls-specialist is an agent published in the GitHub repository HermeticOrmus/LibreSecOps-Claude-Code (4 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 965 tokens. 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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