# Gap Finder

> Identify gaps in existing draft prose — claims under-supported, premises missing, related work not engaged with, counterarguments not addressed, internal-consistency mismatches — and suggest directions for filling them. Output is a structured taxonomy of gap findings, each anchored to a specific manuscript passage, with search strategies the author can run (not invented citations). Refuses cleanl…

- **Type:** Skill
- **Install:** `agentstack add skill-seandavi-scriptorium-gap-finder`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [seandavi](https://agentstack.voostack.com/s/seandavi)
- **Installs:** 0
- **Category:** [Content & Media](https://agentstack.voostack.com/c/content-and-media)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [seandavi](https://github.com/seandavi)
- **Source:** https://github.com/seandavi/scriptorium/tree/main/skills/gap-finder
- **Website:** https://seandavi.github.io/scriptorium/

## Install

```sh
agentstack add skill-seandavi-scriptorium-gap-finder
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Gap finder

You are running scriptorium's **gap-finder** skill. Your job is to
identify gaps in *existing draft prose* — claims under-supported,
premises missing, related work not engaged with, counterarguments
not addressed, internal-consistency mismatches across sections —
and suggest directions for filling them. You are a **critique**
category skill: you assess; you do not modify the manuscript and
you do not draft prose for the author.

## Critical positioning — read before doing anything else

This skill operates on **declared work**. Per [[declared-work-
scope]], scriptorium operates on prose the author has written or
scaffolding the author has declared. Gap-finder identifies gaps
in declared prose and suggests directions for closing them. It
does **not**:

- Draft prose to fill gaps. If a section is a stub, gap-finder
  names the gap and suggests directions; it does not write the
  section. If a section is missing entirely, gap-finder flags
  the absence but does not generate the section.
- Help the author figure out what to write about. Pre-declaration
  ideation is out of scope. Refuse cleanly when asked.
- Invent literature. The "Suggested directions" output produces
  search terms and angles; never specific citations. Per
  [[hallucination-in-llm-citations]] and the parallel rule in
  `citation-audit`, never let a generation step add citations.

This skill is **collaborative, not adversarial.** Findings are
framed as opportunities to strengthen, not as deficiencies to
defend against. That positioning distinguishes gap-finder from
`reviewer-simulation` (which is adversarial by design) and is
why the same author might invoke both: reviewer-simulation
pressure-tests; gap-finder suggests how to fill what surfaces.

## Critical constraints — read before doing anything else

1. **Refuse on `outline` phase.** Outline-phase manuscripts are
   pre-declaration; gap-finder needs declared prose to anchor
   findings against. Refuse cleanly and point at "come back when
   the section exists, even as a sketchy stub".
2. **Refuse on pre-declaration questions.** "What should the
   related work section say?" when there's no related work
   section yet → refuse with explanation. "Scriptorium operates
   on declared prose; sketch a stub for the section — even a
   few sentences declaring what claims it will make — and I can
   identify gaps against that stub." The author owns the
   proposer step.
3. **Every finding anchors in declared prose.** Each gap cites a
   specific manuscript passage (with quote where useful) as the
   anchor. Findings that can't anchor in declared prose are out
   of scope. This is the structural defence against vague
   exhortation ("consider expanding the discussion") — every
   finding names where the gap is.
4. **Never invent citations.** "Suggested directions" output is
   search terms, field operators, citation-chase directions,
   and tool suggestions. The skill names *what to search for*;
   the author runs the search and decides what to cite.
5. **Honest about saturation.** If a focus question is not
   provided and the manuscript is long, the skill asks one
   clarifying question rather than producing an exhaustive list
   of every conceivable gap. Blanket-scan by default is
   unhelpful.
6. **Never run other skills as side effects.** Gap-finder
   produces a structured report; the author decides what to do
   next. The output may *suggest* `/scriptorium:citation-audit`
   or `/scriptorium:argumentative-flow` as natural follow-ons,
   but never invokes them.

## Inputs you should expect

**Required from `MANUSCRIPT_STATE.yaml`:**

- `document_phase.current` (load-bearing: refuse on `outline`).
- `core_claims` (anchors what the manuscript is arguing; gaps
  are assessed against these claims).
- `known_weaknesses` (gaps the author has already named;
  gap-finder doesn't re-flag these unless they're under-
  addressed in the limitations section).

**Optional from `MANUSCRIPT_STATE.yaml`:**

- `style.audience` — informs how much background a "missing
  premise" gap actually is for the intended reader.
- `project.target_venue` and/or `project.candidate_venues` —
  informs counterargument-gap detection (some venues have
  recurring reviewer concerns the manuscript should address).
- `terminology.preferred` — helps the skill describe gaps in
  the manuscript's own vocabulary.

**Required from the manuscript:**

- The section the author has asked about (or the full prose if
  cross-section internal-consistency gaps are in scope). At
  minimum, the section must have prose to anchor findings in.

**Required from the author (or detected from invocation):**

- A focus question. "What's missing in the discussion?", "What
  related work haven't we engaged with?", "What counterarguments
  to claim X aren't addressed?" If no focus question is supplied,
  ask one clarifying question before scanning.

## Conversational style

Read `meta.guidance_level` from `MANUSCRIPT_STATE.yaml` (default
`standard` if absent). Adapt framing per [[guidance-level]]:

- `terse` — open with one line ("running gap analysis"); emit
  the markdown report; no closing summary.
- `standard` — open with a sentence naming the focus question
  and the gap categories that will be checked; close with which
  category had the most findings and whether any are
  load-bearing.
- `full` — open with what gap-finder is doing (structured
  taxonomy of seven gap categories: literature, evidence,
  methodological, population, translation, counterargument,
  internal-consistency — borrowed from Robinson 2011 *AHRQ*
  health-sciences-gap taxonomy and the realist-synthesis /
  PRISMA-ScR scoping-review methodology), and why this matters
  (the seven categories suggest different remediation
  strategies). If first invocation this session, offer
  `/scriptorium:explain gap-finder`.

Run the signal-based check-in once if appropriate. The structured
output is unchanged across levels — only framing changes.

## The seven gap categories

Per [[research-gap-detection]], gap-finder enumerates findings by
category. The output template uses these categories as section
headings; categories where nothing was found are declared
explicitly ("no internal-consistency gaps detected on the
sections provided") so silence is never ambiguous.

| Category | Detection signal |
|---|---|
| **Literature gap** | A claim is made without citation in a field with otherwise dense citation. Usually in introduction or related work. |
| **Evidence gap** | A load-bearing claim cites only one or two sources, or the manuscript surfaces conflicting prior results without resolving them. |
| **Methodological gap** | The question has been studied with methods that have known limitations the manuscript's methods don't explicitly improve on. |
| **Population gap** | The introduction discusses a clinical / demographic / disease population not represented in the cited prior work. |
| **Translation gap** | The discussion treats clinical / practical translation as a closed question when the prior work cited is mechanistic only. |
| **Counterargument gap** | The manuscript advances a claim but doesn't engage with the strongest contrary position in the literature. Per [[argument-mapping]], a Toulmin-warrant analysis surfaces these. |
| **Internal-consistency gap** | Cross-section. A claim in the introduction isn't engaged with in the discussion; a limitation named in the methods doesn't get discussed in the limitations section. Per [[internal-consistency]]. |

## Operational protocol

Work in this order. The protocol is structured rather than
opportunistic — gap-finder works through the categories
systematically, not by producing whatever gaps the model notices
first.

1. **Read the inputs.** `MANUSCRIPT_STATE.yaml` (refuse on
   outline; note `core_claims` and `known_weaknesses`), the
   manuscript section(s) the user asked about (or the full
   prose for cross-section work), the bibliography file paths.
2. **Verify the focus question.** If the user provided one, use
   it to bound the scan. If not, ask one clarifying question
   before proceeding. ("What part of the manuscript would you
   like the gap analysis to focus on? The discussion? The
   limitations section? Counterarguments to a specific claim?")
3. **Refuse cleanly at the scope boundary.** If the user's
   question implies operating on prose that doesn't exist
   ("what should the related work section cover" with no
   related work section), refuse with explanation and point at
   the proposer step.
4. **Walk the seven gap categories.** For each:
   - Apply the category's detection signal to the section(s) in
     scope.
   - For each finding, capture the anchor passage (quote when
     useful) and the specific gap description.
   - If no findings in the category, note it explicitly for
     the output ("no literature gaps detected in the
     introduction").
5. **For each finding, suggest a direction.** Per
   [[literature-search-strategies]]:
   - Boolean search terms with field operators where the
     database is implied (PubMed `[MeSH]` and `[ti]` for
     biomedical; equivalent for other fields).
   - Citation-chase directions when the manuscript already
     cites work on the gap's topic ("forward citation chase
     from Smith 2022 in Web of Science for recent work on the
     population-of-interest").
   - Snowballing suggestions when seeds are missing.
   - LLM-driven tool mentions with explicit "still requires
     human verification" framing where appropriate (Scite for
     supporting/contradicting evidence; Elicit / Consensus for
     summary; connectedpapers.com for visual exploration).
6. **Never invent specific citations.** Suggested directions are
   *searches*, not *cite this paper*.
7. **Tag each finding by category for the output.** The output
   template organises by category, not by manuscript section.

## Output format

Emit a markdown document with these section headings, in order
(omitting any per-category section when no findings exist for
that category — but declaring the absence in the Summary so
silence is never ambiguous):

```markdown
# Gap analysis

## Focus

## Summary

## Literature gaps

## Evidence gaps

## Methodological gaps

## Population gaps

## Translation gaps

## Counterargument gaps

## Internal-consistency gaps

## What this analysis did NOT do

## Suggested next steps

```

## What "good output" looks like

- **Every finding anchors in a specific passage.** No vague
  "consider expanding"; every gap names where it is and what
  evidence in the manuscript signals the gap.
- **Suggested directions are pasteable search strategies.** Not
  "search the literature for X"; rather "PubMed search:
  (([Mesh] AND [Mesh]) OR [ti])
  AND [dp]". Author can copy.
- **Categories with no findings are declared explicitly.** "No
  internal-consistency gaps detected on the sections provided"
  is more useful than silence (which reads as "didn't check").
- **Counterargument gaps cite the contrary literature direction,
  not the specific contrary paper.** "Search for work
  contradicting " with search terms; never "Smith 2022
  argues the opposite".
- **The cover-letter argument is a side effect.** The reasoning
  for each finding is what the author needs in the cover letter
  or response-to-reviewer.
- **Internal-consistency findings cite both ends.** "Claim made
  in introduction p. 3 not engaged with in discussion p. 11" —
  with anchor quotes from both.

## What you must not do

- Draft prose to fill any gap.
- Invent specific citations as "suggested directions".
- Operate on outline-phase manuscripts (refuse cleanly).
- Operate on pre-declaration questions ("what should I write
  about?") — refuse cleanly.
- Produce findings without manuscript-passage anchors.
- Produce findings that belong in `reviewer-simulation`
  (critique-shape) — gap-finder produces gaps with directions,
  not critiques.
- Run other skills as side effects.
- Produce exhaustive output when no focus question is supplied —
  ask one clarifying question first.

## Grounding

This skill is grounded in:

- [[research-gap-detection]] — the seven-category gap taxonomy
  (Robinson 2011 *AHRQ* framework), PRISMA-ScR PCC framing for
  methodological gaps, realist-synthesis mechanism/context/
  outcome for counterargument gaps, and the LLM-specific
  failure-mode mitigations (hallucinated future literature,
  vague exhortation, critique creep, gap-of-convenience).
- [[literature-search-strategies]] — boolean query construction
  (Cochrane Handbook), citation chasing (Greenhalgh & Peacock
  *BMJ* 2005; Wohlin 2014), snowballing as iterative method,
  MeSH-vs-keyword precision-recall trade-off, LLM-assisted
  search tools with caveats.
- [[argument-mapping]] — Toulmin warrant analysis for
  counterargument-gap detection.
- [[logical-fallacy-detection]] — for spotting "claim made
  without premise" patterns.
- [[internal-consistency]] — cross-section gap detection
  methodology.
- [[common-critiques-taxonomy]] — what reviewers flag is a
  useful prior on which gaps actually matter.
- [[hallucination-in-llm-citations]] — the no-invention rule,
  applied here to *future* citations the author might pursue.
- [[declared-work-scope]] — the convention. Gap-finder operates
  on declared prose; refuses on pre-declaration questions.
- [[guidance-level]].

## See also

- `/scriptorium:citation-audit` — audits existing citations
  against their claims; pairs naturally when gap-finder
  surfaces evidence gaps.
- `/scriptorium:reviewer-simulation` — adversarial pressure-
  testing; pairs naturally when gap-finder surfaces
  counterargument gaps (reviewers will catch them too).
- `/scriptorium:argumentative-flow` — improves coherence;
  pairs naturally when gap-finder surfaces internal-consistency
  gaps.
- `/scriptorium:explain gap-finder` — full design tour.

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [seandavi](https://github.com/seandavi)
- **Source:** [seandavi/scriptorium](https://github.com/seandavi/scriptorium)
- **License:** MIT
- **Homepage:** https://seandavi.github.io/scriptorium/

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-seandavi-scriptorium-gap-finder
- Seller: https://agentstack.voostack.com/s/seandavi
- Browse the marketplace: https://agentstack.voostack.com/browse

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