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-generate-assumptionsgit 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-generate-assumptions)<a href="https://agentmods.dev/skills/panjose/co-scientist/hypothesis-generate-assumptions"><img src="https://agentmods.dev/badge/skills/panjose/co-scientist/hypothesis-generate-assumptions/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-generate-assumptions"><img src="https://agentmods.dev/badge/skills/panjose/co-scientist/hypothesis-generate-assumptions.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 | $0.00022 | $0.00804 |
| Opus 5 | $0.00011 | $0.00402 |
| Sonnet 5 | $0.00004 | $0.00161 |
| Haiku 4.5 | $0.00002 | $0.00080 |
Grade A, and why
hypothesis-generate-assumptions 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.
What it actually says
hypothesis-generate-assumptions
Goal:
- Generate exactly one hypothesis candidate by enumerating and combining testable assumptions.
Inputs:
research_plan/RESEARCH_PLAN.jsonstate/STRATEGY_PLAN.json- optional parent hypothesis and review artifacts when the round is part of an evolution continuation
Outputs:
hypotheses/<id>/HYPOTHESIS.jsonhypotheses/<id>/HYPOTHESIS.mdhypotheses/<id>/ORIGIN.json
Context Loading:
- Read
research_plan/RESEARCH_PLAN.json. - Use
research_goalas the objective that the assumption chain must explain or enable. - Use
preferencesas quality criteria. - Use
constraintsas hard boundaries. - Read
state/STRATEGY_PLAN.jsonand confirm that the current round allowsassumptions_identification_generation. - If the round is parented, read the selected parent hypothesis and its latest review summary before proposing a child. The new chain should address known weaknesses where possible.
Execution Prompt Contract:
- System Intent:
- You are generating one candidate hypothesis by surfacing the smallest useful chain of testable assumptions.
- Required Reasoning Focus:
- Identify 3-5 assumptions or fewer if a shorter chain is stronger.
- Favor chains that are falsifiable, mechanistically informative, and non-trivial.
- At least one link may be speculative, but it must remain testable and explicit.
- Use the assumption chain to produce a full downstream hypothesis rather than stopping at the decomposition.
- Do Not Do:
- Do not output multiple competing chains as final answers.
- Do not hide speculative links behind broad claims.
- Do not emit assumptions without turning them into a full canonical hypothesis artifact.
- Output Shape:
- The result must contain the exact
HypothesisContractfrompackages/agent_contracts/hypothesis.py. - If assumption structure is useful, keep it inside
origin-level payloads or trace notes, not as a replacement for the canonical hypothesis. origin.content.statement: 2-3 sentences maximum.origin.content.mechanism: 2-3 sentences maximum.origin.content.experimental_design: one concise multiline string with 3-6 numbered steps.origin.content.experimental_designmust remain one string field containing embedded line breaks; do not emit it as a list, array, or nested object.origin.content.summary: one sentence.origin.content.category: 1-5 words.
- The result must contain the exact
Execution Steps:
- Open
skills/shared-references/schema-index.md, then readpackages/agent_contracts/hypothesis.pyand confirm the exactHypothesisContractshape before writinghypotheses/<id>/HYPOTHESIS.json. - Read the required artifacts.
- Confirm that this round is allowed to use assumptions-driven generation.
- Identify the smallest useful chain of testable assumptions for the active goal.
- Synthesize the chain into exactly one candidate hypothesis.
- Wrap the result into the canonical
HypothesisContract. - Write
hypotheses/<id>/HYPOTHESIS.json,hypotheses/<id>/HYPOTHESIS.md, andhypotheses/<id>/ORIGIN.json. - Validate the emitted artifacts before declaring success.
Artifact Rules:
- The canonical hypothesis artifact is mandatory.
- Any auxiliary assumption tree must be treated as support for
origin, not as a substitute forHYPOTHESIS.json. - The final hypothesis must remain understandable even if a downstream consumer only reads the canonical artifact.
Completion Rule:
- This skill is complete only when exactly one new valid canonical hypothesis artifact has been written for the current round.
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.
- 10d ago First seen · 76 lines · 22 tokens per session scan A 195c46b7d6e4
hypothesis-generate-assumptions is a skill published in the GitHub repository panjose/Co-Scientist (5 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 22 tokens to every session and 804 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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