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/github/spec-kit-copilot/speckit.tasksgit clone --depth 1 https://github.com/github/spec-kit-copilotWhat 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 | $0.00401 |
| Opus 5 | $0.00000 | $0.00200 |
| Sonnet 5 | $0.00000 | $0.00080 |
| Haiku 4.5 | $0.00000 | $0.00040 |
Grade A, and why
speckit.tasks 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 yesterday.
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
Sub-Agent Delegation
When executing this command, delegate independent work to parallel sub-agents to reduce total execution time.
How to dispatch sub-agents in Copilot:
- VS Code: Use the
runSubagenttool to spawn each sub-agent in an isolated context. - CLI: Delegate to a sub-agent process — Copilot CLI automatically manages subsidiary sub-agent execution. You can also target custom agents defined in
.github/agents/or~/.copilot/agents/.
Document Loading in Parallel
When loading design documents (step 2), dispatch parallel reads for all available documents:
- Sub-agent: Core docs — "Read plan.md and spec.md. Extract tech stack, libraries, project structure, user stories with priorities (P1, P2, P3). Return structured summaries of both."
- Sub-agent: Supporting docs — "Read data-model.md, contracts/, research.md, and quickstart.md (whichever exist under {FEATURE_DIR}). Extract entities, interface contracts, technical decisions, and test scenarios. Return a consolidated summary."
Per-User-Story Task Generation
After loading all documents, generate tasks for independent user stories in parallel:
- For each user story (P1, P2, P3, ...) from spec.md: → Sub-agent: "Generate implementation tasks for User Story {N}: '{story title}'. Tech stack: {from plan.md}. Related entities: {from data-model.md if applicable}. Related contracts: {from contracts/ if applicable}. Follow the strict checklist format: - [ ] [TaskID] [P?] [USN] Description with file path. Return: ordered task list with dependency notes and parallel markers."
Collect all sub-agent results, then:
- Assign sequential Task IDs (T001, T002, ...) across all phases
- Resolve cross-story dependencies
- Assemble into the final tasks.md using the template structure
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.
- yesterday First seen · 28 lines · 0 tokens per session scan A 3b85ab3edaf7
speckit.tasks is a command published in the GitHub repository github/spec-kit-copilot (11 stars, last pushed 5d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 401 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
spec-kitty.analyze
Spec-Driven Development for serious software developers. Spec Coding with with Claude, Cursor, Gemini, Codex. Kanban dashboard, git worktrees, auto-merge and more.
sdd-plan
Turn a spec into a persisted baby-step plan file — research, resume, impact analysis.
sdd-setup
Onboarding wizard — DocLanguage, Memory Bank, architecture snapshot, working agreements (quality gate, TDD working mode).
sdd-clarify
Adversarial pass over a finished spec — contradictions, ambiguity, untestable criteria, implementation posing as intent, missing failure modes.
plan
Run /plan — see .claude/commands/plan.md for the authoritative spec.
epic-plan
Run /epic-plan — see .claude/commands/epic-plan.md for the authoritative spec.