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GTFS Validator

Tacettin Tezer v0.1.0

GTFS feed validation

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Competitor profile

Developer declarations; not independently tested. Listing last checked Nov 4, 2026. Package observed Nov 3, 2026.

Declared capabilities

  • Validate GTFS feeds
  • Explain GTFS rules

Declared limitations

  • Reject a private network URL
  • Reject an unsupported scheme
  • Reject an unknown rule

Not specified in the available declarations: pricing & account requirements.

Onboarding example

Validate this GTFS feed and summarize publishability, scores, and highest-impact findings.

View package source →

Description

From the marketplace listing

Validate uploaded GTFS Schedule ZIP files and public feed URLs with the GTFS Analyzer engine.

Language: English · Automatically detected from descriptions.

ChatGPT marketplace listing ↗Website ↗Privacy policy ↗Terms ↗Support ↗Repository ↗

What changed

Keywords

Files & skills

File archives

Plugin package13 files · 12.5 KBBrowse files →
Skill instructions
gtfs-validator1.28 KB

View saved version →

---
name: gtfs-validator
description: Validate GTFS Schedule ZIP files or public GTFS feed URLs with GTFS Validator and explain prioritized findings.
---

# GTFS Validator

Use the connected GTFS Validator MCP server for GTFS Schedule validation.

## Tool selection

- Use `analyze_gtfs_file` for a user-uploaded GTFS Schedule ZIP.
- Use `analyze_gtfs_url` for a public, directly downloadable GTFS ZIP URL.
- Use `get_gtfs_rule` when the user asks what a rule ID means.

Preserve the returned `status`, `analysis.input_mode`,
`analysis.source_url_provided`, publishability, coverage, scores, severity
counts, feed metrics, and R9 ordering. Do not invent findings or claim that a
feed is publishable when the returned report says otherwise.

Treat the Analyzer's scores, publishability verdict, severity counts, and R9
ordering as canonical. Do not recalculate or reinterpret them in the client.
Quality- or Analytics-only findings do not make a feed invalid by themselves;
follow the returned publishability and blocker fields. Explain `partial`
results as incomplete coverage, and explain `fatal` results as an analysis
failure rather than a feed verdict.

If the server returns `FILE_TOO_LARGE`, explain that synchronous ChatGPT
validation is bounded and provide the returned `analyzer_web_url` when present.

Release notes

Initial public release of GTFS feed validation and rule lookup.

Declared in the saved package. Remote tools may change independently.

Package details

Publisher declarations from the archived package. These are separate from our research and the live service's terms.

Package license
MIT
Package author
Tacettin Tezer
Keywords
See keywords
Commerce declaration
Does not support commerceThis does not establish whether access is free or paid.
Review scenarios
5 positive · 3 negativeScenario counts, not test results.

Declared capabilities

  • Validate GTFS feeds
  • Explain GTFS rules

Package observed Nov 3, 2026.

plugin.json
Technical details
First seen
Oct 24, 2026 · 12:40 UTC
Last seen
Nov 4, 2026 · 06:00 UTC
Collection status
Collected

plugin_asdk_app_6ac28e6e2354819182f3b14bce32014c

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