Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Blast radius
> Ported from the `blast-radius` skill in [cursor/plugins pstack](https://github.com/cursor/plugins/tree/main/pstack/skills) — Cursor, a separate AI-coding-editor product, not to be confused with a
> text/DB cursor — for use with this harness's `Agent` tool. Two adaptations from the original:
>
> - Step 6's "run it as an `arena`" (ask several _different vendor_ models the same question) doesn't map onto this harness's `Agent` tool, which only spawns Claude-family models. The equivalent here
> is spawning several independent `general-purpose` agents, each drawing a distinct `model`/`effort` combination from the same four-combination panel `how`'s critique mode uses — see Step 6 below.
> - "Write it through `unslop`" (a skill from that other editor for stripping AI-slop prose) has no port here — if your project enforces an equivalent prose-quality or AI-slop-detection hook, writing
> the blast-radius writeup will get that scoring for free; otherwise apply the same discipline manually (no narrative comments, no hedge-padding, no filler).
>
…
The line at the top of this page pins the label git:20260824.34ad58b, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
B 16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
fail: Frontmatter declares a description
pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Size between 200 bytes and 200 KB (12141 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
Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.
Source
GitHub
pantheon-org/tekhne · 10 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ctayjc3gbap7h77h
GET https://markdownregistry.com/api/v1/resolve?ref=pantheon-org/tekhne/blast-radius
GET https://markdownregistry.com/api/v1/blob/98dbe8deb3a6012260d2457f4335586d1cbcff4be1f5dee472215e1ac6afc857
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
pantheon-org/tekhne · skills/agentic-harness/cache-audit/SKILL.md · Audit your Claude Code setup against prompt caching best practices. Checks ordering, tool stability, dynamic content…
pantheon-org/tekhne · skills/agentic-harness/create-context/SKILL.md · Create the baseline session context from the in-folder of raw project documents, classifying each file by priority…
pantheon-org/tekhne · skills/agentic-harness/guided-interview/SKILL.md · Conduct a structured, one-question-at-a-time interview to explore a specific topic or decision — each question offers…
pantheon-org/tekhne · skills/agentic-harness/load-context/SKILL.md · Resume session from CONTEXT-llm.md. Use when resuming work, loading saved context, continuing a previous session…
pantheon-org/tekhne · skills/agentic-harness/opencode-toolkit/build-plugins/SKILL.md · Create OpenCode plugins using the opencode-ai/plugin SDK. Use when user wants to build a plugin, extend OpenCode…
pantheon-org/tekhne · skills/agentic-harness/opencode-toolkit/build-tool/SKILL.md · Build custom tools and plugins using the OpenCode SDK packages. Use when creating custom tools, implementing tool…
pantheon-org/tekhne · skills/agentic-harness/opencode-toolkit/configure/SKILL.md · Configure OpenCode via opencode.json and AGENTS.md with deterministic provider setup, model selection, permission…
cursor/plugins · pstack/skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
cursor/plugins · harness/pstack/claude-code/skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
michael-denyer/pstack-claude · plugins/pstack/skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
backnotprop/pstack · skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
pedrohcgs/claude-code-my-workflow · .claude/skills/blast-radius/SKILL.md · Before and after changing anything shared — a function's return value, a signature, a schema, a label set, a config…
pixeltable/pixeltable · .claude/skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
athola/claude-night-market · plugins/pensive/skills/blast-radius/SKILL.md · Analyzes code change impact with risk scoring and affected-node mapping. Use before merging to understand what a change…
parcha-ai/parcha-skills · blast-radius/skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
