Parsimonious
Pure-Python PEG parser for building domain-specific language parsers.
Scraping, browsers and parsing PyPI MIT
Used in agent projects
23
0.2% of 12,697 public repos built with AI coding agents
Rank in scraping, browsers and parsing
#14 of 16
by use in those projects
Downloads
1.8M
PyPI, last 7 days, parsimonious
GitHub stars
1,916
last push Nov 12, 2025
How Parsimonious is used
Parsimonious is a dependency in 23 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.2%), #14 of 16 in scraping, browsers and parsing. The most used alternative there is Beautiful Soup. Projects that use it most often also use bitarray (100.0%), charset-normalizer (100.0%), eth-abi (100.0%).
Often used with Parsimonious
| bitarray | 100.0% of Parsimonious projects · 437.8× more than average |
|---|---|
| charset-normalizer | 100.0% of Parsimonious projects · 80.4× more than average |
| eth-abi | 100.0% of Parsimonious projects · 453.5× more than average |
| eth-account | 100.0% of Parsimonious projects · 215.2× more than average |
| eth-hash | 100.0% of Parsimonious projects · 470.3× more than average |
| eth-keyfile | 100.0% of Parsimonious projects · 552.0× more than average |
| eth-keys | 100.0% of Parsimonious projects · 453.5× more than average |
| eth-rlp | 100.0% of Parsimonious projects · 552.0× more than average |
Install
| Package | pip install parsimonious |
|---|---|
| Main stacks | Python (22), Next.js (1) |
| Example projects | mikegianfelice/Hunter, NA-DEGEN-GIRL/multi-perp-dex, AndreAugusto11/XChainDataGen, cryptnox/cryptnox-cli, gabrielfior/solana-analytics-101 |
Alternatives to Parsimonious
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Beautiful Soup pypi Python HTML/XML parsing and screen-scraping library for web data extraction. |
160 (1.3%) | 69M | — | MIT License |
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98 (0.8%) | 88.4M | 3,065 | BSD-3-Clause |
| Cheerio npm jQuery-like syntax for parsing and manipulating HTML/XML with server-side speed. |
94 (0.7%) | 26.6M | 30.5K | MIT |
| Playwright (Python) pypi High-level Python API for automating browser testing and web scraping. |
68 (0.5%) | 26M | 15K | — |
| fast-xml-parser npm High-performance XML parser and builder without native dependencies. |
58 (0.5%) | 83.3M | 3,139 | MIT |
| csv-parse npm Parse CSV files using Node.js streaming Transform API for memory-efficient processing. |
51 (0.4%) | 20.6M | 4,280 | MIT |
| Playwright Core npm Headless browser automation library for cross-browser testing and web scraping. |
49 (0.4%) | 122M | 97.4K | Apache-2.0 |