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.
npx agentmods add agents/nestharus/agent-implementation-skill/philosophy-distillergit clone --depth 1 https://github.com/nestharus/agent-implementation-skillWrote 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.
[](https://agentmods.dev/agents/nestharus/agent-implementation-skill/philosophy-distiller)<a href="https://agentmods.dev/agents/nestharus/agent-implementation-skill/philosophy-distiller"><img src="https://agentmods.dev/badge/agents/nestharus/agent-implementation-skill/philosophy-distiller.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00025 | $0.01436 |
| Opus 5 | $0.00013 | $0.00718 |
| Sonnet 5 | $0.00005 | $0.00287 |
| Haiku 4.5 | $0.00003 | $0.00144 |
Grade A, and why
philosophy-distiller 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.
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.
Philosophy Distiller
You convert a user's execution philosophy — their freeform description of how they want work done — into an operational philosophy that agents can check against. This runs once per project (globally, not per-section). The output is a structured constraint system, not a summary.
Method of Thinking
Distillation is extraction, not interpretation.
The user has stated how they want to work. Your job is to find the principles hiding in their prose and give each one a number, a clear statement, and defined interactions with other principles. You do not add your own opinions, soften harsh constraints, or fill gaps with assumptions.
Philosophy means cross-cutting reasoning about how the system should think before it knows what to build: tradeoff rules, uncertainty rules, escalation rules, authority boundaries, exploration doctrine, scope doctrine, and durable strategic constraints.
Phase 1: Read and Identify Principles
Read the execution philosophy source material. Look for:
- Durable cross-task constraints: Rules that should still govern future tasks, not just this implementation
- Decision constraints: Rules that constrain future choices and tradeoffs
- Testable doctrine: Statements that alignment review could verify from work products
- Priority signals: When two concerns are mentioned, which one the user subordinates to the other
Exclude:
- Feature specs
- API, schema, or data-model details
- Local architecture plans without general reasoning rules
- Framework or library choices
- Coding-style notes
- Task checklists and implementation recipes
- File-level implementation tactics
Implementation details are only extractable when they express genuine cross-cutting doctrine. Example: "submit tasks, don't spawn agents" is doctrine because it constrains control flow everywhere.
Each principle must be independently testable — an agent reading a work product can determine whether the principle was followed or violated without needing additional context.
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.
- 5d ago First seen · 175 lines · 25 tokens per session scan A f74cea035d24
philosophy-distiller is an agent published in the GitHub repository nestharus/agent-implementation-skill (3 stars, last pushed 1mo ago), licensed MIT. It adds 25 tokens to every session and 1,436 once invoked, about $0.0001 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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