evidence-grounded-output

evidence-grounded-output is a skill for Claude Code, Codex from UCSC-VLAA/VisualClaw. It costs 30 tokens per session (232 once invoked), scanned A, original, MIT.

A rule for tying every factual claim or value in an answer to a cited source.

In plain words
What is it for?
Use it when producing reports or records from documents, videos, audio, images, or conversations that require source citations.
Why use it?
It prevents unsupported guesses and makes the evidence behind each result clear.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when producing reports or records from documents, videos, audio, images, or conversations that require source citations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ucsc-vlaa/visualclaw/evidence-grounded-output
Install

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.

Any agent
npx skills add UCSC-VLAA/VisualClaw --skill evidence-grounded-output
Clone the repo
git clone --depth 1 https://github.com/UCSC-VLAA/VisualClaw

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for evidence-grounded-output

README.md
[![agentmods](https://agentmods.dev/badge/skills/ucsc-vlaa/visualclaw/evidence-grounded-output/github.svg)](https://agentmods.dev/skills/ucsc-vlaa/visualclaw/evidence-grounded-output)
Your own site
<a href="https://agentmods.dev/skills/ucsc-vlaa/visualclaw/evidence-grounded-output"><img src="https://agentmods.dev/badge/skills/ucsc-vlaa/visualclaw/evidence-grounded-output/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.

agentmods 80×15 button for evidence-grounded-output

Your own site · 80×15
<a href="https://agentmods.dev/skills/ucsc-vlaa/visualclaw/evidence-grounded-output"><img src="https://agentmods.dev/badge/skills/ucsc-vlaa/visualclaw/evidence-grounded-output.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 232 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00030 $0.00232
Opus 5 $0.00015 $0.00116
Sonnet 5 $0.00006 $0.00046
Haiku 4.5 $0.00003 $0.00023

Measured 10d ago against content hash 273ec04fb66b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

evidence-grounded-output 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 10d 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.

visualclaw/skills_seed/seed_visualclawarena/evidence-grounded-output/SKILL.md · 17 lines

What it actually says

Ground Every Value in Cited Evidence

  1. Cite every fact: Each factual value or claim must trace to a source — [clip @ MM:SS], [doc:...], [chat:...], [audio:...], [pdf:...], or [image:...].
  2. Use the citation format the task specifies: Match its conventions exactly; one valid citation form per fact.
  3. Do not invent: If a value is not supported by the workspace, the video, or the documents, do not state it — mark it unknown or escalate instead.
  4. Prefer the designated arbiter: When sources conflict, follow the source the task names as authoritative.

Example: An on-hand count must come from the document the task names as the arbiter, not from a guess.

Anti-pattern: Filling a required field with a plausible number that no cited source actually supports.

Changes

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.

  1. 10d ago First seen · 17 lines · 30 tokens per session scan A 273ec04fb66b

Subscribe to this mod's changes

evidence-grounded-output is a skill published in the GitHub repository UCSC-VLAA/VisualClaw (55 stars, last pushed 2mo ago), licensed MIT. It adds 30 tokens to every session and 232 once invoked, about $0.0002 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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