ECC is a toolkit that organizes and improves how coding agents work through skills, memory, security checks, research practices, and related extensions. It is for developers using agents such as Claude Code, Codex, OpenCode, and Cursor.
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 commands/affaan-m/ecc/update-codemapsgit clone --depth 1 https://github.com/affaan-m/ECCWrote 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/commands/affaan-m/ecc/update-codemaps)<a href="https://agentmods.dev/commands/affaan-m/ecc/update-codemaps"><img src="https://agentmods.dev/badge/commands/affaan-m/ecc/update-codemaps.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 | $0.00008 | $0.00355 |
| Opus 5 | $0.00004 | $0.00178 |
| Sonnet 5 | $0.00002 | $0.00071 |
| Haiku 4.5 | $0.00001 | $0.00036 |
Grade A, and why
update-codemaps 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.
Copies of this mod
6 near-identical copies found in the catalogue:
- update-codemaps — 100% identical, 0 lines differ
- update-codemaps — 100% identical, 0 lines differ
- update-codemaps — 100% identical, 0 lines differ
- update-codemaps — 97% identical, 2 lines differ
- update-codemaps — 97% identical, 2 lines differ
- update-codemaps — 95% identical, 2 lines differ
What it actually says
Update Codemaps Command
Update codemaps to reflect current codebase structure: $ARGUMENTS
Your Task
Generate or update codemaps in docs/CODEMAPS/ directory:
- Analyze codebase structure
- Generate component maps
- Document relationships
- Update navigation guides
Codemap Types
Architecture Map
docs/CODEMAPS/ARCHITECTURE.md
- High-level system overview
- Component relationships
- Data flow diagrams
Module Map
docs/CODEMAPS/MODULES.md
- Module descriptions
- Public APIs
- Dependencies
File Map
docs/CODEMAPS/FILES.md
- Directory structure
- File purposes
- Key files
Codemap Format
[Module Name]
Purpose: [Brief description]
Location: src/[path]/
Key Files:
file1.ts- [purpose]file2.ts- [purpose]
Dependencies:
- [Module A]
- [Module B]
Exports:
functionName()- [description]ClassName- [description]
Usage Example:
import { functionName } from '@/module'
Generation Process
- Scan directory structure
- Parse imports/exports
- Build dependency graph
- Generate markdown maps
- Validate links
TIP: Keep codemaps updated when adding new modules or significant refactoring.
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.
- 2d ago First seen · 82 lines · 8 tokens per session scan A 197cef27eb72
update-codemaps is a command published in the GitHub repository affaan-m/ECC (249,915 stars, last pushed today), licensed MIT. It adds 8 tokens to every session and 355 once invoked, about $0.0000 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 2026-09-03.
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