# tabnas (tabnas.dev)

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

- Atlas card: https://inite.ai/en/atlas/tabnas.dev
- Site: https://tabnas.dev
- For: Developers extending existing languages or writing parsers, and agents producing declarative grammars for them.
- Use 32/100 · alive 100/100

## 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

## Price

Not read yet.

## For developers

- OpenAPI: https://tabnas.dev/openapi.json (12 paths)
- API docs: https://tabnas.dev/api
- MCP server: dev.tabnas/mcp (namespace; open on 2026-10-24, 7 tools)
- Status page: https://tabnas.dev/status
- Read 2026-10-24

## MCP server, measured daily

Server: https://mcp.tabnas.dev/mcp, checked every day since 2026-10-24 (11 checks).

- Answered: 100% of daily checks
- Median first answer: 92 ms
- Sign-in: none
- Context its tool definitions take: about 1412 tokens (7 tools)
- Tool definitions: B, 81/100
- Failing "params_described": 1 of 7 tools
- Failing "annotations": 7 of 7 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-24

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Source: INITE Atlas, https://inite.ai/en/atlas/tabnas.dev. JSON: https://inite.ai/api/atlas/tabnas.dev. MCP: https://inite.ai/api/mcp (atlas_lookup).