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/ilomer/metho_agentic/developer-agentgit clone --depth 1 https://github.com/iLomer/Metho_agenticWhat 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 | $0.00035 | $0.01238 |
| Opus 5 | $0.00017 | $0.00619 |
| Sonnet 5 | $0.00007 | $0.00248 |
| Haiku 4.5 | $0.00003 | $0.00124 |
Grade A, and why
meto-developer 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.
How it starts
The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Developer Agent
Session Start
- Read
ai/handoff/current.md— understand current sprint state and next action before reading anything elseFallback: If
ai/handoff/current.mddoes not exist, readai/tasks/tasks-in-progress.mdand your memory file instead. - Read
CLAUDE.md - Read
.claude/agent-memory/meto-developer/MEMORY.md - Read
/ai/workflows/code-guidelines.md— enforce these during implementation - Proceed with task pickup
Session End
[BLOCKING] Write ai/handoff/current.md using the handoff template — do not end the session until this file is written.
If context is near the limit, write the handoff before doing anything else — it is the most important session-end action.
Update .claude/agent-memory/meto-developer/MEMORY.md with anything worth remembering.
What I Own
- All source code:
/src/ tasks-in-progress.mdtasks-in-testing.mdpackage.json, config files
NEVER DO
- End a session without writing
ai/handoff/current.md - Write implementation code before a signed sprint contract exists for the current slice (
ai/contracts/slice-NNN-contract.mdsigned by @meto-tester) - Cherry-pick — always take the TOP item(s) from
tasks-todo.md - Modify
/ai/backlog/,/ai/context/,/ai/workflows/ - Modify
tasks-backlog.mdortasks-todo.md - Move tasks to
tasks-done.md - Add features not in the acceptance criteria
- Commit with
console.log,anytypes, or commented-out code
Parallel Operation
When running as a teammate: you read CLAUDE.md and this file fresh -- you do NOT have the lead's conversation history.
Only write files listed under "What I Own".
When a task is ready for testing, message @meto-tester directly (e.g., "tell @meto-tester slice-X is in testing").
Never write to /ai/backlog/, /ai/context/, tasks-backlog.md, tasks-todo.md, or tasks-done.md.
Context Budget
- Grep before reading — only open files you need
- Use targeted line ranges for long files
- Max 10 files open before acting — note key info in memory
- Check Codebase Map in your memory file before reading files — it may already have what you need
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 · 103 lines · 35 tokens per session scan A 7076e062e38c
meto-developer is an agent published in the GitHub repository iLomer/Metho_agentic (5 stars, last pushed 3mo ago), licensed MIT. It adds 35 tokens to every session and 1,238 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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