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 panjose/Co-Scientist --skill hypothesis-observation-reviewgit clone --depth 1 https://github.com/panjose/Co-ScientistWrote 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/panjose/co-scientist/hypothesis-observation-review)<a href="https://agentmods.dev/skills/panjose/co-scientist/hypothesis-observation-review"><img src="https://agentmods.dev/badge/skills/panjose/co-scientist/hypothesis-observation-review/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/panjose/co-scientist/hypothesis-observation-review"><img src="https://agentmods.dev/badge/skills/panjose/co-scientist/hypothesis-observation-review.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 | $0.00013 | $0.00592 |
| Opus 5 | $0.00006 | $0.00296 |
| Sonnet 5 | $0.00003 | $0.00118 |
| Haiku 4.5 | $0.00001 | $0.00059 |
Grade A, and why
hypothesis-observation-review 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.
What it actually says
hypothesis-observation-review
Goal:
- Evaluate a hypothesis against prior observations.
Inputs:
research_plan/RESEARCH_PLAN.jsonhypotheses/<id>/HYPOTHESIS.json- optional review guidance from prior review artifacts
Outputs:
hypotheses/<id>/REVIEW/OBSERVATION_REVIEW.json
Context Loading:
- Read
research_plan/RESEARCH_PLAN.json. - Read
hypotheses/<id>/HYPOTHESIS.json. - Use the current hypothesis mechanism and predictions as the reference point for comparing against known observations.
- If prior reviews exist, use them only to focus attention on disputed claims.
Execution Prompt Contract:
- System Intent:
- You are evaluating whether the hypothesis meaningfully explains relevant observations.
- Required Reasoning Focus:
- Look for observations that are causally relevant to the hypothesis domain.
- Judge whether the hypothesis explains them, adds nothing, is contradicted by them, or is less plausible than existing explanations.
- Prefer causal explanatory value over loose topical overlap.
- Do Not Do:
- Do not list observations that have no material connection to the hypothesis.
- Do not treat generic correlation as causal support.
- Do not emit free-form prose instead of structured observation entries.
- Review Quality Floor:
- A
status = completedobservation review must include concrete observations or retrieval results that are materially connected to the hypothesis mechanism or predicted behavior. - Each observation must explain why it supports, weakens, or remains neutral for the hypothesis rather than only naming a topic.
- Do not use placeholder observation phrases such as
consistent with prior observations,needs validation, orbenchmark against parentas substantive review content.
- A
- Output Shape:
- Produce the exact
ObservationReviewContractfrompackages/agent_contracts/review.py. - Each observation entry must contain:
reasoningconclusion
- Use the allowed conclusion categories only.
- Produce the exact
Execution Steps:
- Open
skills/shared-references/schema-index.md, then readpackages/agent_contracts/review.pyand confirm the exactObservationReviewContractshape before writingOBSERVATION_REVIEW.json. - Read the research plan and hypothesis.
- Identify the most relevant observations for the hypothesis domain.
- Evaluate whether the hypothesis explains, conflicts with, or adds little to each observation.
- Write
hypotheses/<id>/REVIEW/OBSERVATION_REVIEW.json. - Validate before declaring completion.
Artifact Rules:
- Limit the review to the strongest and most relevant observations rather than padding the artifact.
- Each observation entry must remain decision-oriented and concise.
Completion Rule:
- This skill is complete only when
OBSERVATION_REVIEW.jsonexists and is valid for downstream synthesis.
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 · 69 lines · 13 tokens per session scan A c789e967881d
hypothesis-observation-review is a skill published in the GitHub repository panjose/Co-Scientist (5 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 13 tokens to every session and 592 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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