implement-solution

A guided workflow for implementing clearly defined, non-trivial code changes. It helps choose an approach by examining patterns already used in the repository and applying proportionate tests.

In plain words
What is it for?
Use it for implementation-ready changes involving interacting components, state changes, failure cases, or meaningful maintenance trade-offs.
Why use it?
It reduces guesswork when several local solutions could work or when a change affects multiple parts of the code. It also helps avoid unnecessary complexity.

Skill for Claude CodeCodex

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 skills/flurdy/agent-skills/implement-solution
Any agent
npx skills add flurdy/agent-skills --skill implement-solution
Clone the repo
git clone --depth 1 https://github.com/flurdy/agent-skills

Made for: Claude Code, Codex.

Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,081 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 $0.00054 $0.02081
Opus 5 $0.00027 $0.01040
Sonnet 5 $0.00011 $0.00416
Haiku 4.5 $0.00005 $0.00208

Measured 2d ago against content hash 4d138bc42330, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

implement-solution 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 2d 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.

skills/implement-solution/SKILL.md · 175 lines

How it starts

The opening of the file, as written. The whole thing — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implement Solution

Implement the smallest maintainable solution that meets the requested outcome. Apply strong engineering judgment before and during coding without replacing the model's native coding ability with a principle checklist.

This is a bounded premium/high implementation route. Select it dynamically when a task is implementation-ready but material local engineering judgment makes stronger configured capability worthwhile. Explicit invocation also opts in. It is not an always-on gate and should not add ceremony when the repository already makes the right change obvious.

When to Use

Use this skill when requirements and any required diagnosis are sufficiently clear, and one or more of these conditions applies:

  • multiple plausible local approaches remain and repository consensus should decide between them;
  • changed behavior crosses interacting components, state transitions, or meaningful edge and failure paths;
  • a present responsibility, dependency, duplication, or mutation trade-off materially affects maintainability or correctness;
  • an implementation already in progress needs substantive simplification rather than mechanical cleanup; or
  • the user explicitly invokes /implement-solution or requests a premium or strongest-capability implementation pass.

Do not route through it merely because a request changes code, contains the word "implement," or asks for simplicity. Skip mechanical edits and changes with one obvious established pattern. Use /diagnose-bug while the cause is unknown and /architect when consequential design decisions remain unresolved.

Boundaries

  • /architect owns ambiguous, high-blast-radius, security-sensitive, public-contract, migration, and hard-to-reverse decisions. Escalate rather than making those decisions under the banner of simplicity.
  • /diagnose-bug owns evidence-led diagnosis when the cause of an observed failure is unknown. Return here once the cause and verification contract are established.
  • /pedantic-review is the post-implementation craft review. This skill shapes the implementation proactively but does not duplicate that report.
  • /verify-task verifies that finished work meets its requirements and has enough coverage.
  • /clean-code owns whole-codebase formatting, linting, and warning cleanup. This skill keeps its own change clean without broadening scope to unrelated warnings.

Read the full file on GitHub · 175 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. 2d ago First seen · 175 lines · 54 tokens per session scan A 4d138bc42330

Subscribe to this mod's changes

implement-solution is a skill published in the GitHub repository flurdy/agent-skills (7 stars, last pushed 4d ago), licensed MIT. It adds 54 tokens to every session and 2,081 once invoked, about $0.0003 per session on Opus 5. 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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