How do I install the Bib Filter skill?

Run npx skillmds@latest add mearman/bib-filter in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

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Is Bib Filter free to use?

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Who published Bib Filter?

Mearman (@mearman) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Bib Filter by mearman — Agent Skill

Name: Bib Filter
Author: Mearman

Bib Filter

Filter and manipulate bibliography entries by criteria (author, year, keyword, entry type). Parse, search, extract entries, and format/pretty-print files. Use when the user asks to search, filter, extract, parse, or format bibliography files.

Mearman 253798f 2.4 KB Updated Sep 17, 2026

File contents

bib-filter

Filter bibliography entries by various criteria.

Usage

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts input.bib [criteria] --output=filtered.bib

Filter Criteria

--id=<string> - Filter by entry ID (exact match)
--author=<string> - Filter by author name (substring match)
--year=<number> - Filter by publication year
--type=<string> - Filter by entry type (article, book, etc.)
--keyword=<string> - Filter by keyword (substring match)

Multiple criteria are combined with AND logic.

Options

--output=<file> - Output file (prints to stdout if omitted)
--sort - Sort filtered results

Examples

Find all papers by Smith:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --author=Smith

Find papers from 2024:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --year=2024 --output=2024-papers.bib

Find articles about machine learning:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --keyword="machine learning"

Filter by type:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --type=article-journal

Combine multiple criteria:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --author=Smith --year=2024 --type=article

Output

Total entries: 150
Filtered entries: 12
[Filtered bibliography output...]

Matching Behavior

ID: Exact match
Author: Case-insensitive substring match (checks all authors)
Year: Exact year match
Type: Exact type match (e.g., "article-journal")
Keyword: Case-insensitive substring match

Use Cases

Extract subset for a specific paper:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts main.bib --keyword="neural networks" --output=nn-refs.bib

Find all books:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --type=book

Get recent publications:

npx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --year=2024

Notes

Format is auto-detected
Output uses same format as input
Empty results return empty bibliography file
Can be combined with --sort for ordered output

---name: bib-filterdescription: Filter and manipulate bibliography entries by criteria (author, year, keyword, entry type). Parse, search, extract entries, and format/pretty-print files. Use when the user asks to search, filter, extract, parse, or format bibliography files.---# bib-filterFilter bibliography entries by various criteria.## Usage```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts input.bib [criteria] --output=filtered.bib```## Filter Criteria- `--id=<string>` - Filter by entry ID (exact match)- `--author=<string>` - Filter by author name (substring match)- `--year=<number>` - Filter by publication year- `--type=<string>` - Filter by entry type (article, book, etc.)- `--keyword=<string>` - Filter by keyword (substring match)Multiple criteria are combined with AND logic.## Options- `--output=<file>` - Output file (prints to stdout if omitted)- `--sort` - Sort filtered results## Examples**Find all papers by Smith:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --author=Smith```**Find papers from 2024:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --year=2024 --output=2024-papers.bib```**Find articles about machine learning:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --keyword="machine learning"```**Filter by type:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --type=article-journal```**Combine multiple criteria:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --author=Smith --year=2024 --type=article```## Output```Total entries: 150Filtered entries: 12[Filtered bibliography output...]```## Matching Behavior- **ID**: Exact match- **Author**: Case-insensitive substring match (checks all authors)- **Year**: Exact year match- **Type**: Exact type match (e.g., "article-journal")- **Keyword**: Case-insensitive substring match## Use Cases**Extract subset for a specific paper:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts main.bib --keyword="neural networks" --output=nn-refs.bib```**Find all books:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --type=book```**Get recent publications:**```bashnpx tsx ${CLAUDE_PLUGIN_ROOT}/scripts/filter.ts refs.bib --year=2024```## Notes- Format is auto-detected- Output uses same format as input- Empty results return empty bibliography file- Can be combined with `--sort` for ordered output

Frequently asked questions