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tabnas
tabnas runs extensible grammars as rule tables. Build on existing plugins, compile ABNF, or define a grammar directly with data and actions.
https://tabnas.dev/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://mcp.tabnas.dev/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 18, 2026 · mcp.tabnas.dev
7tools discovered
Parse
Parse input with the tabnas engine.
Validate Grammar
Validate a serialized GrammarSpec.
Explain Parse Error
Parse input and explain the failure.
Test Grammar
Run TSV fixture content against a grammar in a fresh instance, using the fleet fixture convention (@tabnas/support): li…
List Plugins
List every bundled tabnas plugin descriptor (tabnas.plugin.json of each fleet repo), sorted by name.
Describe Plugin
The full descriptor for one plugin, by package name ('@tabnas/csv') or bare fleet name ('csv').
Compare Grammars
Grammar compatibility (AX plan Phase 5): does candidate grammar B still accept what baseline A accepted, and does it bu…
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandstabnas runs extensible grammars as rule tables. Build on existing plugins, compile ABNF, or define a grammar directly with data and actions.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
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Other MCP servers in this category from the directory index
MCPBundles probed 7 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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