lyndonkl/wc-signal-emitter
skills/wc-signal-emitter/SKILL.md
Validates and persists FIFA World Cup Fantasy signal files to signals/YYYY-MM-DD-<type>.md. Checks the required frontmatter (type, round, date, emitted_by, confidence, source_urls), range-checks declared numeric signals, confirms every factual claim carries a source URL or "manager-provided", rejects unknown signal types, and refuses to persist a signal that fails validation (logging the failure instead). Keeps the inter-agent signal layer auditable so downstream agents can trust what they read and never re-derive it. Use whenever an agent or skill writes a signal.
$ install --global
skillsauthnpx skillsauth add lyndonkl/claude wc-signal-emitterInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: Jun 12, 2026, 7:33 AM184.8s1 file scanned
SKILL.md
- name:
- wc-signal-emitter
- description:
- Validates and persists FIFA World Cup Fantasy signal files to signals/YYYY-MM-DD-<type>.md. Checks the required frontmatter (type, round, date, emitted_by, confidence, source_urls), range-checks declared numeric signals, confirms every factual claim carries a source URL or "manager-provided", rejects unknown signal types, and refuses to persist a signal that fails validation (logging the failure instead). Keeps the inter-agent signal layer auditable so downstream agents can trust what they read and never re-derive it. Use whenever an agent or skill writes a signal.
wc-signal-emitter — validate + persist signals
Implements the persistence side of footballfantasy/context/frameworks/signal-framework.md. Agents communicate through structured signal files; this skill is the gate that keeps those files trustworthy, so downstream agents can read rather than recompute.
Workflow
- [ ] 1. Receive the signal (frontmatter + body) and its declared type
- [ ] 2. Validate frontmatter, type, numeric ranges, source citations
- [ ] 3. If valid → write to signals/YYYY-MM-DD-<type>[-<scope>].md and return the path
- [ ] 4. If invalid → do NOT persist; return the validation errors so the caller can fix and retry
Validation checklist
- Frontmatter present:
type,round,date,emitted_by,confidence(0–1),source_urls. - Type known: one of the registry in
signal-framework.md(scout,player-ev,clean-sheet,fixture,ownership,candidate,fitness,offspring,verify,chip-plan,transfer-plan,board). Reject unknown types. - Numeric ranges: any signal that declares a range is checked against it (probabilities ∈ [0,1]; ownership ∈ [0,100]; xEV ≥ 0; confidence ∈ [0,1]). Out-of-range → reject.
- Citations: every factual claim in the body traces to a
source_urlsentry or is explicitlymanager-provided. A signal asserting a predicted XI / injury / price / ownership with no URL → reject (or forceconfidence ≤ 0.35and a "needs confirmation" flag if the caller insists it's a best-effort estimate). - Confidence sanity: confidence matches the framework bands (unconfirmed load-bearing fact ⇒ ≤0.35).
On failure
Do not write the file. Return the specific errors. Optionally append a one-line note to tracker/calibration-review.md if a signal repeatedly fails validation (a sign an upstream agent is mis-formatting). The caller fixes and retries.
Naming
signals/YYYY-MM-DD-<type>.md, or signals/YYYY-MM-DD-<type>-<scope>.md for per-entity signals (e.g. -scout-musiala, -candidate-A2). Round id goes in frontmatter.
Guardrails
- No silent persistence of unvalidated signals. A bad signal poisons every downstream reader; reject it.
- Cite or cap. Uncited factual claims either don't persist or persist at
confidence ≤ 0.35with a flag — never as confident fact. - One signal, one file. Don't append unrelated signals into one file; downstream readers glob by type+round.
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