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 skills/bahaabdelwahed/embedded-claude-plugin/memory-layoutnpx skills add bahaabdelwahed/embedded-claude-plugin --skill memory-layoutgit clone --depth 1 https://github.com/bahaabdelwahed/embedded-claude-pluginWrote 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/skills/bahaabdelwahed/embedded-claude-plugin/memory-layout)<a href="https://agentmods.dev/skills/bahaabdelwahed/embedded-claude-plugin/memory-layout"><img src="https://agentmods.dev/badge/skills/bahaabdelwahed/embedded-claude-plugin/memory-layout.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 5.1 | $0.00100 | $0.01304 |
| Opus 5 | $0.00050 | $0.00652 |
| Sonnet 5 | $0.00020 | $0.00261 |
| Haiku 4.5 | $0.00010 | $0.00130 |
Grade A, and why
memory-layout 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 6d 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 — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Memory Layout Extraction
Extract Flash, SRAM, and peripheral memory organization from reference manual and datasheet PDFs for use in linker scripts and memory-aware code.
What to Extract
Flash Memory
- Base address (always 0x08000000 on STM32)
- Total size
- Organization: sectors (F2/F4/F7: variable size) or pages (F0/F1/F3/L4/G0/G4: uniform size)
- Sector/page sizes and addresses
- Dual-bank support (if available)
- OTP (One-Time Programmable) area location and size
SRAM Memory
- SRAM1 base address (0x20000000) and size
- SRAM2 (if present): base address and size
- SRAM3 (if present): base address and size
- CCM (Core Coupled Memory) on F3/F4: base address (typically 0x10000000), size, restrictions (no DMA access)
- DTCM/ITCM on F7/H7: addresses, sizes (zero-wait-state access)
- Backup SRAM: base address, size (battery-backed, retained in VBAT mode)
Peripheral Memory
- Peripheral base addresses (0x40000000 region)
- APB1, APB2, AHB1, AHB2 peripheral base addresses
- Cortex-M internal peripherals (0xE0000000): NVIC, SysTick, SCB, MPU, FPU
External Memory (if FMC/FSMC present)
- FMC/FSMC base addresses for each bank
- Bank 1 (NOR/SRAM): 0x60000000-0x6FFFFFFF
- Bank 2 (NAND): 0x70000000-0x7FFFFFFF
- Bank 3 (NAND): 0x80000000-0x8FFFFFFF
- SDRAM Bank 1/2: 0xC0000000/0xD0000000
Where to Find This Information
Reference Manual - Memory Map
Glob pattern: docs/reference-manual/*.pdf
- Read pages 1-5 (ToC)
- Find "Memory and bus architecture" or "Memory organization" (typically chapter 2)
- This chapter contains:
- Global memory map figure (address ranges for all regions)
- Flash memory organization table (sector/page addresses and sizes)
- SRAM regions and their addresses
- Peripheral register boundary addresses
Reference Manual - Flash Chapter
- Find "Embedded Flash memory" chapter in ToC
- Contains detailed Flash organization: sector sizes, addresses, erase granularity
- Important for linker script Flash region definition
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 6d ago First seen · 117 lines · 100 tokens per session scan A 2ba72891109f
memory-layout is a skill published in the GitHub repository bahaabdelwahed/embedded-claude-plugin (5 stars, last pushed 5mo ago), licensed MIT. It adds 100 tokens to every session and 1,304 once invoked, about $0.0005 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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