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tabnas

Parses text using grammars stored as rule tables, compiling RFC 5234 ABNF notation into runnable parsers.

Actively maintained

tabnas: data, price, alternatives
  • Is it safe? We have not read the data policy of tabnas yet. Read it on the official site before you upload anything.tabnas.dev ↗
  • Is it free? We have not read the prices of tabnas yet; they are next in our queue. Until then, the official site has them.tabnas.dev ↗
  • What else does this? We have not measured alternatives for this one yet. If you know one, add it below.See ↓
At a glancechecked Oct 24, 2026

28.9k installs/mo

Established

For
Developers extending existing languages or writing parsers, and agents producing declarative grammars for them.
Activity
Actively maintainedrelease 11 days ago · site updated 4 weeks ago
Company
Domain since 2026 (registered this year) · ~1 peopledomain registered · per their About page
How it runs
SDK
Used for
  • add syntax to an existing grammar through plugins
  • compile RFC 5234 ABNF into a runnable parser
  • validate and test declarative grammars before parsing
Worth knowingcomputed from what we read · each with its source
  • 28,931 installs a month on npmpublic registry
  • Has an MCP server (1 in the registry)public registry →
  • Publishes llms.txt, a file written for AI assistantstabnas.dev ↗
The companyeach fact with its source · read Oct 24, 2026
How a program reaches itfound, not claimed · read Oct 24, 2026

MCP server details →

This card as JSON, for your agent →

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.

Not it? Say what you need

beta

Three tools from the Atlas for the job you describe, each with what fits and what does not.

From people who use itnot part of the reading

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Questions this page answers
  • What is tabnas?

    Parses text using grammars stored as rule tables, compiling RFC 5234 ABNF notation into runnable parsers.

  • Who is tabnas for?

    Developers extending existing languages or writing parsers, and agents producing declarative grammars for them.

  • Do people use tabnas?

    Established: 28.9k installs/mo (npm).

  • Is tabnas still maintained?

    Actively maintained: release 11 days ago · site updated 4 weeks ago.

How we read a tool

No votes, no reviews, no vendor claims. Every week a crawler reads each tool's own site and a few public registries, and the words on the card are bands over what it read.

  • Use: visits to the site (estimated), installs from npm and PyPI, presence in Chrome's usage report.
  • Activity: the newest release on GitHub, npm or PyPI; the newest dated page on the site; open roles on a public jobs board.
  • Price: the vendor's own pricing page, read with the date. A figure is printed only when it is on that page.
  • The line and the use cases are written by us from the homepage, one tool at a time, and refused when they repeat the vendor's marketing.

How AI assistants read each site — the reading vendors ask us about — is on each tool's own visibility page.

How we read every tool → · By INITE Atlas Desk