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 skills/fall-out-bug/sdp/bugfixnpx skills add fall-out-bug/sdp --skill bugfixgit clone --depth 1 https://github.com/fall-out-bug/sdpWhat 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 | $0.00027 | $0.00702 |
| Opus 5 | $0.00014 | $0.00351 |
| Sonnet 5 | $0.00005 | $0.00140 |
| Haiku 4.5 | $0.00003 | $0.00070 |
Grade A, and why
bugfix 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 — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.
@bugfix
Quality bug fixes with full TDD cycle. Branch from master via feature/.
When to Use
- P1 (HIGH) or P2 (MEDIUM) issues
- Feature broken but not production
- Reproducible errors
Workflow
- Read issue —
bd show <id>or load fromdocs/issues/ - Branch —
git checkout master && git pull && git checkout -b fix/{id}-{slug} - TDD — Red: failing test → Green: minimal fix → Refactor
- Quality gates — Run quality gates (see Quality Gates in AGENTS.md)
- Commit —
git commit -m "fix(scope): description" - Push —
git push -u origin fix/{branch}thengh pr create --base master
Write Plan (F101)
Before modifying any file, emit a write plan:
- Enumerate — List every file the skill will CREATE / MODIFY / DELETE with a one-line reason (test files and fix files).
- Flags:
--dry-run— Emit write plan only. Do NOT create, modify, or delete any file.--yes— Skip confirmation prompt. Execute immediately. Intended for CI/non-interactive.
- Confirm — Present the plan to the user and wait for explicit approval (unless
--yes). - Log — Append write plan event to
.sdp/log/events.jsonl(sanitize file paths before logging: strip newlines, ensure valid JSON escaping):
Include context fields only when the ID is known at plan time. Omit unavailable fields rather than inventing placeholders.{"spec_version":"v1.0","event_id":"<uuid>","timestamp":"<ISO-8601>","source":{"system":"sdp-lab","component":"bugfix"},"event_type":"decision.made","payload":{"decision_type":"write_plan","plan":[{"path":"...","action":"CREATE|MODIFY|DELETE","reason":"..."}]},"context":{"feature_id":"<F-id if known>","workstream_id":"<ws-id if applicable>"}}Note: Phase 1 uses prompt-level write boundaries (CLI out of scope). Aligns with
sdp/schema/contracts/orchestration-event.schema.jsonviaevent_type: "decision.made". Phase 2 CLI will emit natively.
Output format:
WRITE PLAN for @bugfix <target>:
CREATE: path/to/new/file — <reason>
MODIFY: path/to/existing/file — <reason>
DELETE: path/to/removed/file — <reason>
Proceed? [y/n]
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 · 65 lines · 27 tokens per session scan A 60ae8a30c851
bugfix is a skill published in the GitHub repository fall-out-bug/sdp (19 stars, last pushed 2mo ago), licensed MIT. It adds 27 tokens to every session and 702 once invoked, about $0.0001 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 2026-08-30.
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