Observed arrival · 2026-09-25

Fillin: retrieval from after the cutoff

fillinmcp.com Visit website

Editorial interest 74/100 Selection signal · not a rating of the site

Fillin offers MCP and HTTP tools for querying a timestamped corpus of technical, research, and market sources.

Landing page captured for the 2026-09-25 issue.

For: Agent builders needing timestamped retrieval
Worth noticing: The homepage lists a 30-minute refresh cadence, daily slice snapshots, and a free probe limited to one result per IP per UTC day.

Field notes

The page provides an MCP configuration snippet and names HTTP routes including /v1/probe and /v1/signup. Its listed sources span technical feeds and research repositories as well as named AI labs and Polymarket. The trial is limited to 20 queries, while the no-key probe is limited to one result per IP per UTC day.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

◎NicheUnusually specific use

One card from the complete issue

Vandalism in Demo Mode

315,813 arrived 1,000 judged 972 catalogued Enter the complete issue