sequential-thinking skillA
sequential-thinking is agent-read markdown (skill) from secondsky/claude-skills: Systematic step-by-step reasoning with revision and branching. Use for complex problems, multi-stage analysis, design planning, problem decomposition, or encountering unclear scope, alternative approaches needed, revision requirements..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
How to install
mdr add secondsky/claude-skills/sequential-thinking@git:20251224.ba827cemdr add secondsky/claude-skills/sequential-thinking@sha256:ed565360c7c2fd6bPin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_yzd2b7rm3s6ucwhw)
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Versions
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (3521 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
secondsky/claude-skills · 219 stars · license MIT · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_yzd2b7rm3s6ucwhw GET https://markdownregistry.com/api/v1/resolve?ref=secondsky/claude-skills/sequential-thinking GET https://markdownregistry.com/api/v1/blob/ed565360c7c2fd6b9a4c706078f7b528e95c130808f633ac0e534fe606728af5
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.