---
schema_version: "newruntime-reader-dossiers-v1"
type: "reader_dossier"
slug: "histor"
kind: "agentic_registry"
operator: "unknown"
researched_at: "2026-10-23"
confidence: "low"
json_url: "https://newruntime.com/readers/histor.json"
canonical_url: "https://newruntime.com/readers/histor/"
---

# histor

> Self-described in its user-agent as "histor/0.1.0" making read-only MCP probes (initialize + tools/list only). No operator page or public documentation could be found as of 2026-10-23.

## Dossier

- Kind: Agentic web & MCP registries
- Operator: unknown
- Documentation: none found
- robots.txt tokens: none documented
- Feeds: monitoring
- Respects robots.txt: Not documented. A site histor.dev ('The evidence layer for autonomous AI', HTTPS receipts for agents) exists, but no page found ties it to this UA; not attributed.
- Verification: Unknown
- Labels matched in our logs: histor

## Why it matters to New Runtime (our interpretation)

Read-only MCP handshake probe; shows something is cataloguing or witnessing our tool list.

## Observed behaviour

- Baseline 2026-10-23 (93-day window): 21 requests on 4 days; first seen 2026-10-12, last seen 2026-10-22; Returning.
- Live numbers: https://newruntime.com/bot-traffic-history.json and https://newruntime.com/crawler-journeys.json

## Sources

- https://histor.dev/

Identity: A family name is what a client claims in its user agent. It is verified only when its request came from the operator's published IP ranges or passed forward-confirmed reverse DNS, as reported per family in /crawler-journeys.json. Anyone can claim any name.

All dossiers: https://newruntime.com/readers.md