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 skills add fabio-barboza/development-orchestrator --skill do-execute-taskgit clone --depth 1 https://github.com/fabio-barboza/development-orchestratorWrote 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/fabio-barboza/development-orchestrator/do-execute-task)<a href="https://agentmods.dev/skills/fabio-barboza/development-orchestrator/do-execute-task"><img src="https://agentmods.dev/badge/skills/fabio-barboza/development-orchestrator/do-execute-task/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/fabio-barboza/development-orchestrator/do-execute-task"><img src="https://agentmods.dev/badge/skills/fabio-barboza/development-orchestrator/do-execute-task.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00083 | $0.06450 |
| Opus 5.5 | $0.00033 | $0.02580 |
| Sonnet 5.5 | $0.00017 | $0.01290 |
| Haiku 4.5 | $0.00008 | $0.00645 |
Grade D, and why
do-execute-task scanned grade D with 2 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 17d 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.
Reads MCP configurationmediumAgent snooping
mcp.json carries server URLs and auth tokens; reading it lets a mod discover and abuse other integrations.
a. Read the MCP configuration file for the current AI tool (`.mcp.json` for Claude Code, `.vscode/mcp.json` for GitHub Copilot, `.cursor/mcp.json` for Cursor, `opencode.json` for Opencode) to list configured MCP servers. Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
7. **CHECK 7 — Workspace boundary**: Confirm no file was created outside the project root during this task (Workspace Boundary rule). Remove `./.do-tmp/task-[num]/` (`rm -rf ./.do-tmp/task-[num]`) and confirm it no longe How it starts
The opening of the file, as written. The whole thing — 252 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Task Execution
Role
You are a senior software engineer responsible for implementing tasks correctly, completely, and according to project standards.
Autonomous Execution Policy — ABSOLUTE RULE
Begin executing immediately on invocation. No user interaction permitted at any point.
- NEVER pause, stop, or wait for user input.
- NEVER output a plan/analysis as a standalone message — begin implementation tool calls in the SAME response.
- NEVER use phrases like "I'll now proceed", "Shall I proceed?", "Ready to implement", or anything implying a pause.
- NEVER ask the user questions. Resolve ambiguities using context clues (git history, timestamps, task numbers). If prerequisites are missing, HALT with a clear error report — do NOT ask "should I proceed?".
- Status updates are fine but must NOT imply user action to continue.
Edit Failure Recovery
When an Edit tool call fails, follow this escalation ladder:
- Attempt 1 (failed): The
old_stringprobably doesn't match the file content exactly. Callread_fileon the file to get the CURRENT content, then retry the Edit with the EXACT string from the read output. - Attempt 2 (failed): Try a SMALLER
old_string— use a more unique, shorter snippet that is easier to match exactly. - Attempt 3 (failed): STOP using Edit. Switch to Write. Read the entire file with
read_file, construct the complete new file content with your changes applied, and use theWritetool to overwrite the file. This is the nuclear option but it ALWAYS works.
HARD LIMIT: You MUST NOT attempt more than 3 Edit calls on the same file for the same change. After 3 failures, you MUST switch to the Write strategy (step 3 above). Continuing to retry Edit with slight variations is PROHIBITED — it wastes time and produces infinite loops.
The same rule applies to ANY file, not just source code — including tasks.md, [num]_task.md, [num]_task_review.md, etc. If Edit fails 3 times, use Write.
What ships with it
3 files 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.
- 17d ago Changed · +5 lines 1f5ba3c31952
- 18d ago Changed · +12 lines scan B → D b064d002481b
- 1mo ago First seen · 235 lines · 83 tokens per session scan B 062a3b518213
do-execute-task is a skill published in the GitHub repository fabio-barboza/development-orchestrator (30 stars, last pushed 17d ago), licensed MIT. It adds 83 tokens to every session and 6,450 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it D with 2 findings (reads mcp configuration, recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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