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 3yesore/LetUenforskills --skill asa-anchor-composition-plannergit clone --depth 1 https://github.com/3yesore/LetUenforskillsWrote 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/3yesore/letuenforskills/asa-anchor-composition-planner)<a href="https://agentmods.dev/skills/3yesore/letuenforskills/asa-anchor-composition-planner"><img src="https://agentmods.dev/badge/skills/3yesore/letuenforskills/asa-anchor-composition-planner/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/3yesore/letuenforskills/asa-anchor-composition-planner"><img src="https://agentmods.dev/badge/skills/3yesore/letuenforskills/asa-anchor-composition-planner.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 | $0.00027 | $0.00840 |
| Opus 5 | $0.00014 | $0.00420 |
| Sonnet 5 | $0.00005 | $0.00168 |
| Haiku 4.5 | $0.00003 | $0.00084 |
Grade A, and why
asa-anchor-composition-planner 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 11d 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.
ASA Anchor Composition Planner
Use this internal meta-skill when LetUen has extracted anchors and must decide how to combine them for a user goal without forcing workflow solidification.
This skill fixes the failure mode where every useful skill fragment is turned into a heavy new workflow or new skill even when the user only wants a temporary composition, prompt patch, rule patch, learning note, or partial workflow insert.
Inputs
- Minimal Anchor Cards or normalized anchors.
- User composition goal and preferred reuse form.
- Existing user skill snapshot when available.
- Trigger overlap and resource conflict notes when available.
- Evidence and risk scores from reviewer/auditor stages.
- Target agent or host project constraints.
Process
- Identify the user's requested reuse form before selecting anchors.
- Prefer the lightest useful output:
reference_only,temporary_composition,prompt_patch, orlearning_noteunless the user asks for persistence. - Select anchors whose
reuse_modesmatch the requested form. - Reject anchors with missing hard dependencies unless an adapter is explicitly available.
- Detect trigger overlap with existing user skills and choose a dispatch policy.
- Keep existing user skills primary by default when overlap is ambiguous.
- Produce a non-destructive plan that can be reviewed before any file changes.
- Escalate to workflow or new skill output only when explicitly requested.
Output Contract
Return a planner-only composition plan suitable for composition_plan.json:
schema_version: 1
composition_form: reference_only | temporary_composition | prompt_patch | agent_rule_patch | workflow_insert | tool_adapter | template_pack | quality_gate | learning_note | full_workflow_blueprint | new_skill_spec
summary:
zh:
en:
selected_anchors:
- anchor_id:
reason:
selected_reuse_mode:
rejected_anchors:
- anchor_id:
reason:
conflicts:
- conflict_type: trigger_overlap | resource_missing | output_mismatch | runtime_assumption | none
description:
resolution:
dispatch_policy:
mode: prefer_existing_skill | prefer_letuen_composition | ask_user | route_by_anchor_type | run_both_then_compare | disabled
reason:
outputs:
- kind: prompt_patch | agent_rule_patch | workflow_insert | tool_adapter | template_pack | quality_gate | learning_note | full_workflow_blueprint | new_skill_spec
path:
destructive: false
reversible: true
solidification:
requested: false
reason:
next_steps: []
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.
- 11d ago First seen · 103 lines · 27 tokens per session scan A b04c7ce5c890
asa-anchor-composition-planner is a skill published in the GitHub repository 3yesore/LetUenforskills (2 stars, last pushed 2mo ago), licensed MIT. It adds 27 tokens to every session and 840 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 2026-08-31.
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