Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add mronkko/claude-academic-research/plugin install academic-researchWrote 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/mronkko/claude-academic-research/critic-loop)<a href="https://agentmods.dev/skills/mronkko/claude-academic-research/critic-loop"><img src="https://agentmods.dev/badge/skills/mronkko/claude-academic-research/critic-loop.svg" alt="Measured on agentmods" 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 | $0.00075 | $0.06643 |
| Opus 5 | $0.00037 | $0.03321 |
| Sonnet 5 | $0.00015 | $0.01329 |
| Haiku 4.5 | $0.00007 | $0.00664 |
Grade A, and why
critic-loop scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 608 lines — stays where its author put it; the contents beside it link to each section on GitHub.
critic-loop
Invocation: /critic-loop <document-path> [--critics evidence,method,argument,expert] [--max-iter 4] [--no-test] [--render-cmd "quarto render {doc} --to gfm"]
Pre-flight (ALWAYS run first)
Before any step below, verify the plugin has been configured:
python3 "${CLAUDE_PLUGIN_ROOT:-.}/scripts/setup/check_configured.py"
If the result is NOT CONFIGURED, stop immediately and tell the user:
The academic-research project has not been set up on this machine yet. Run the setup skill or setup wizard first — the evidence critic depends on MCP citation lookups (Zotero, OpenAlex, Semantic Scholar), which require MCP servers that the setup wizard registers.
Do not launch critics or proceed with the loop. Running the setup skill/wizard is the required first step.
If the result is configured, proceed.
Execute the editing loop documented in the manuscript-revision skill.
This skill is the procedure; that skill is the doctrine. Read it
first if you have not recently.
Companion skills
manuscript-revision— the doctrine this skill executes as procedure. Read it first if you have not recently; it covers the editing philosophy this loop's adjudication step (Step 4) relies on.empirical-integrity— owns the Step 1 test gate viatest_empirical_integrity.py. A failure there is an empirical-integrity regression, not a critic-loop bug — fix the underlying claim/source mismatch per that skill's rules, then re-run the gate.grounded-citations— the write-time rule-book for any new citation a critic's suggested edit introduces. If adjudication (Step 4) adds a claim that needs a source, followgrounded-citationswhen inserting the[@BBT_KEY], then let the evidence critic verify it next iteration.
Relationship to fact-check
fact-check is the standalone citation / claim audit. The evidence
critic inside this loop covers the same ground during iterative
revision.
Mutual-exclusion rule. Do NOT spawn a /fact-check run while this
loop is active, and skip it immediately after a loop that finished
with no unresolved evidence-critic MAJORs — the work is duplicate and
burns MCP / Zotero quota twice. Use fact-check instead of this loop
when the user wants a focused citation-only pre-submission report
without the method / argument / expert perspectives.
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.
- 8d ago First seen · 608 lines · 75 tokens per session scan A d8d85148817b
critic-loop is a skill published in the GitHub repository mronkko/claude-academic-research (23 stars, last pushed 4d ago), licensed MIT. It adds 75 tokens to every session and 6,643 once invoked, about $0.0004 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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