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/coleam00/context-engineering-intro/execute-parallelgit clone --depth 1 https://github.com/coleam00/context-engineering-introWhat 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 | $0.00000 | $0.00273 |
| Opus 5 | $0.00000 | $0.00137 |
| Sonnet 5 | $0.00000 | $0.00055 |
| Haiku 4.5 | $0.00000 | $0.00027 |
Grade A, and why
execute-parallel 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.
What it actually says
Parallel Task Version Execution
Variables
FEATURE_NAME: $ARGUMENTS PLAN_TO_EXECUTE: $ARGUMENTS NUMBER_OF_PARALLEL_WORKTREES: $ARGUMENTS
Instructions
We're going to create NUMBER_OF_PARALLEL_WORKTREES new subagents that use the Task tool to create N versions of the same feature in parallel.
Be sure to read PLAN_TO_EXECUTE.
This enables use to concurrently build the same feature in parallel so we can test and validate each subagent's changes in isolation then pick the best changes.
The first agent will run in trees/<FEATURE_NAME>-1/ The second agent will run in trees/<FEATURE_NAME>-2/ ... The last agent will run in trees/<FEATURE_NAME>-<NUMBER_OF_PARALLEL_WORKTREES>/
The code in trees/<FEATURE_NAME>-/ will be identical to the code in the current branch. It will be setup and ready for you to build the feature end to end.
Each agent will independently implement the engineering plan detailed in PLAN_TO_EXECUTE in their respective workspace.
When the subagent completes it's work, have the subagent to report their final changes made in a comprehensive RESULTS.md file at the root of their respective workspace.
Make sure agents don't run any tests or other code - focus on the code changes only.
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 · 27 lines · 0 tokens per session scan A 9d20b321bd91
execute-parallel is a command published in the GitHub repository coleam00/context-engineering-intro (13,819 stars, last pushed 5mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 273 tokens. 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 2026-08-30.
Other commands, from other repositories
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advisor
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bootstrap
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ox-session-review
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add-agent
引导新增一个 Agent 适配器。用法 /add-agent.
migrate
Command "migrate" from chohra-med/expo_boilerplate, covering invocation, steps and rule.