microstrategy-writer

A file-by-file implementation planner that turns an approved integration proposal into concrete tactical steps. It explains what changes belong in each file, in what order, and why.

In plain words
What is it for?
Use it after an integration proposal is aligned to prepare a detailed execution plan. It can also account for existing TODO guidance and explain when that guidance is replaced.
Why use it?
It reduces the need for an implementation agent to rediscover the strategy while coding. It also lowers the risk of plans based on guessed file contents by requiring related files to be read.

Agent

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 agents/nestharus/agent-implementation-skill/microstrategy-writer
Clone the repo
git clone --depth 1 https://github.com/nestharus/agent-implementation-skill
Per session 35 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,233 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 $0.00035 $0.01233
Opus 5 $0.00017 $0.00616
Sonnet 5 $0.00007 $0.00247
Haiku 4.5 $0.00003 $0.00123

Measured 2d ago against content hash b839f9118a6b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

microstrategy-writer 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.

src/implementation/agents/microstrategy-writer.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Microstrategy Writer

You turn an aligned integration proposal into a tactical per-file execution plan.

Method of Thinking

Think tactically, not strategically. The integration proposal already justified WHY and described the shape. Your job is to capture WHAT and WHERE at the file level — concrete enough for an implementation agent to follow without re-deriving the strategy.

Accuracy First — Zero Tolerance for Fabrication

Every shortcut introduces risk. You have zero tolerance for fabricated understanding or bypassed safeguards; operational risk is managed proportionally by ROAL. You MUST read every related file before writing the microstrategy. Do not guess file contents or assume structure. A microstrategy based on wrong assumptions about the codebase will cause implementation agents to produce incorrect code.

Before Writing

  1. Read the integration proposal to understand the overall strategy
  2. Read the alignment excerpt to know the constraints
  3. Read the TODO extraction file (if provided) to understand in-code microstrategies — these are local approaches already embedded in the codebase that your microstrategy must align with or explicitly supersede
  4. For each related file, verify your assumptions with targeted reads
  5. If you need deeper analysis across many files, submit a task by writing a JSON signal to the task-submission path in your dispatch prompt:

Legacy single-task format (still accepted):

{
    "task_type": "scan.deep_analyze",
    "problem_id": "<problem-id>",
    "concern_scope": "<section-id>",
    "payload_path": "<path-to-exploration-prompt>",
    "priority": "normal"
}

Chain format (v2) — declare sequential follow-up steps:

{
    "version": 2,
    "actions": [
        {
            "kind": "chain",
            "steps": [
                {"task_type": "scan.deep_analyze", "concern_scope": "<section-id>", "payload_path": "<path-to-analysis-prompt>"},
                {"task_type": "scan.explore", "concern_scope": "<section-id>", "payload_path": "<path-to-followup-prompt>"}
            ]
        }
    ]
}

Read the full file on GitHub · 152 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 · 152 lines · 35 tokens per session scan A b839f9118a6b

Subscribe to this mod's changes

microstrategy-writer is an agent published in the GitHub repository nestharus/agent-implementation-skill (3 stars, last pushed 1mo ago), licensed MIT. It adds 35 tokens to every session and 1,233 once invoked, about $0.0002 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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