search_substack
shallowio.apidirect/api-direct · Verify this server
Search Substack posts by keyword across every publication. Returns post title, subtitle, author, publication, publication date, engagement (likes, comments, restacks), paywall status, word count, cover image and tags, plus the publications related to the query. Limit to a time window from the past day to the past year. Billed $0.003 per request.
1 trials · measured 1 day ago
search_substack scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against io.apidirect/api-direct, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote
- Credential class
- self-provisionable
- Category
- Content & media
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-10-20 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
Embed this score
Available for every tool, scored or not — not a verification perk. Always links back to this page.
[](https://vouch.tools/tools/30e9122f-01a5-4980-89a9-ac7aace34789)