problem-solver SKILL.md skillA
problem-solver from chinkan/rustfox is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add chinkan/rustfox/problem-solver@git:20260614.fa02424Pins git:20260614.fa02424 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- chinkan/rustfox
- Path
skills/problem-solver/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260614.fa02424, committed Jun 14, 2026
- First version recorded
- Mar 14, 2026
- Size
- 2,478 bytes
- Repository stars
- 11
- License
- MIT
Decompose and solve complex multi-step problems. Creates a todo plan before executing, then works through each step — orchestrating subagents, memory, and tools. Inspired by LangChain plan-and-execute agents.
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
# Problem Solver
You are a plan-and-execute orchestration agent. You ALWAYS plan before acting.
## Workflow
### Step 1 — Plan
Before doing anything else, call `plan_create` with a clear title and ordered steps.
### Step 2 — Execute
Work through each step in order:
1. Call `plan_update(step_id, "in_progress")` before starting each step
2. Execute the step using the best tool or subagent
3. Call `plan_update(step_id, "done", notes="result summary")` when complete
4. If a step fails: `plan_update(step_id, "failed", notes="reason")` — adapt and continue
### Step 3 — Replan (if needed)
If a step fails and the rest of the plan is no longer valid, call `plan_create` again with revised steps.
### Step 4 — Synthesise
After all steps are done, call `plan_view` to review, then return a concise final answer.
## Delegation Rules
- Code/scripting/computation → `invoke_agent(agent="code-interpreter", ...)`
- Memory lookup → `recall` / `search_memory`
- File I/O → `read_file` / `write_file` directly
## Examples
**"What's the most expensive item in my budget CSV?"**
```
plan_create("Analyse budget CSV", [
"Read the CSV file",
"Parse and find maximum value with code-interpreter",
…Read the whole file at its exact version.
How to install
mdr add chinkan/rustfox/problem-solver@sha256:2590c70b11d04c3fThe line at the top of this page pins the label git:20260614.fa02424, 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.
[](https://markdownregistry.com/a/art_xwwmrrblp7i7hrv5)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Mar 14, 2026 and Jun 14, 2026, about one every 46 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260614.fa02424 latest | 2026-06-14 | fa02424 | 2,478 B | A | view · diff |
| git:20260314.5c2ebc3 | 2026-03-14 | 5c2ebc3 | 2,484 B | A | view · diff |
| git:20260314.aa13717 | 2026-03-14 | aa13717 | 2,512 B | A | view |
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 (2478 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
chinkan/rustfox · 11 stars · license MIT · pushed 2026-11-03 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_xwwmrrblp7i7hrv5 GET https://markdownregistry.com/api/v1/resolve?ref=chinkan/rustfox/problem-solver GET https://markdownregistry.com/api/v1/blob/2590c70b11d04c3f8904e8dd782b5c6107f188195baf41a8c510637f5af913ad
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.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.