co-scientist-start

co-scientist-start is a skill for Claude Code, Codex from panjose/Co-Scientist. It costs 0 tokens per session (1,493 once invoked), scanned A, original, Apache-2.0.

A command for starting a Co-Scientist research run from a research question, written brief, or guided set of answers.

In plain words
What is it for?
Use it to start research from a goal or file, choose exploration or grounded progress, select a search budget, and set a high-level review preference.
Why use it?
It turns a general research aim into a configured run without requiring users to understand the system's low-level settings.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths; mentions Claude Code.

Good fit Use it to start research from a goal or file, choose exploration or grounded progress, select a search budget, and set a high-level review preference.

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Install with agentmods
npx agentmods add skills/panjose/co-scientist/co-scientist-start
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 panjose/Co-Scientist --skill co-scientist-start
Clone the repo
git clone --depth 1 https://github.com/panjose/Co-Scientist

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 co-scientist-start

README.md
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Your own site
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Your own site · 80×15
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Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,493 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 $0.00000 $0.01493
Opus 5 $0.00000 $0.00746
Sonnet 5 $0.00000 $0.00299
Haiku 4.5 $0.00000 $0.00149

Measured 10d ago against content hash 41a8fe9e29b3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

co-scientist-start 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.

skills/skills-claude-entry/co-scientist-start/SKILL.md · 112 lines

How it starts

The opening of the file, as written. The whole thing — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.

co-scientist-start

Goal:

  • Start one Co-Scientist run from Claude Code using a natural-language goal or an imported brief.

Expected input:

  • either a natural-language research goal
  • or a brief path such as notes/drug_resistance_brief.md
  • or no explicit arguments, which should trigger a short guided intake

Guided intake:

  • If the user only says /co-scientist-start, ask at most four short questions:
    1. What is the research goal?
    2. Should the run favor exploration or grounded progress?
    3. Should the run use a completion-driven search or a capped low-cost iteration budget?
    4. Is there an existing brief, paper note, or other file to import?
  • Do not ask for low-level mechanics settings such as num_debaters, elo_k_factor, or ucb_exploration_constant.
  • If the user explicitly asks for stricter or lighter review, capture that as a high-level review override for critique depth without replacing the iteration-strategy question or disabling any review stage.
  • After collecting the answers, render a confirmation summary before you create any files.

Execution steps:

  1. If the user supplied a natural-language goal, convert it into --goal "<goal>".

  2. If the user supplied a brief file, convert it into --brief <path>.

  3. When the user also specified high-level controls such as exploration, iteration strategy, or review rigor, pass them through as:

    --exploration <value> --generation-bias <value> --review <value> --budget <value> --evolution <value> --stop-policy <value> --iteration-policy <value> --iteration-band <value> --human-checkpoint <value>
    

    Convert Claude-style key: value controls into real CLI flags before execution. For example:

    • exploration: aggressive -> --exploration aggressive
    • review: strict -> --review strict
    • iteration policy: capped -> --iteration-policy capped
    • iteration band: 6 10 -> --iteration-band 6_10
    • human checkpoint: before overview -> --human-checkpoint before_overview
  4. Before creating the run, render a summary with:

    python -m tools.host.claude_project_cli start --goal "<goal>" --skill co-scientist-pipeline --summary-only
    

    or the equivalent brief-based variant.

  5. Show the returned summary to the user and wait for confirmation.

    • When you present the summary, also tell the user that the run-local dashboard receipt will be written to:
      • runs/<run_id>/dashboard/LINKS.md
      • runs/<run_id>/dashboard/LINKS.json
    • Tell the user that /co-scientist-dashboard <run-dir> is the ready-link follow-up when the background bootstrap has not finished yet.
  6. After confirmation, run:

    python -m tools.host.claude_project_cli start --goal "<goal>" --skill co-scientist-pipeline
    

    or the equivalent brief-based variant.

  7. Read the emitted handoff artifact:

    • runs/<run_id>/state/HOST_AGENT_HANDOFF.json
  8. Read the CLI JSON result and the run-local dashboard receipt artifacts:

    • runs/<run_id>/dashboard/LINKS.md
    • runs/<run_id>/dashboard/LINKS.json
  9. If the CLI JSON contains dashboardLinks:

    • If dashboard.status is running, return dashboardLinks.dashboard as the primary dashboard URL and include the deep links.
    • If dashboard.status is starting, immediately run:
    python -m tools.host.claude_project_cli dashboard <run-dir>
    
    • Read the refreshed CLI JSON result plus runs/<run_id>/dashboard/LINKS.md.
    • If runtime.status is now running, return the refreshed links.dashboard URL as the primary dashboard URL and include the deep links.
    • If runtime.status is still starting, tell the user that the dashboard is still booting, point them to runs/<run_id>/dashboard/LINKS.md, and include the retry command:
    /co-scientist-dashboard <run-dir>
    
  10. Open the canonical workflow and shared contracts:

  • skills/co-scientist-pipeline/SKILL.md
  • skills/shared-references/artifact-contract.md
  • skills/shared-references/state-contract.md
  • skills/shared-references/integration-contract.md
  • skills/shared-references/execution-modes.md
  1. Continue execution from the canonical repository-local skills tree instead of inventing a parallel flow. If the first refreshed routing plan returns run_configuration, execute research-config before any generation work.
  2. After each major phase write, run:

Read the full file on GitHub · 112 lines

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 · 112 lines · 0 tokens per session scan A 41a8fe9e29b3

Subscribe to this mod's changes

co-scientist-start is a skill published in the GitHub repository panjose/Co-Scientist (5 stars, last pushed 3mo ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 1,493 tokens. 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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