Mostly Right

md.mostlyright/datasets · mostlyright.md · MCP, Website

Search, sample and query open reproducible datasets published as immutable Parquet with schemas.

Name and description as published by MCP Registry

Live

Last successful check: 26 Oct 2026, 22:52 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

At mostlyright.md, its best endpoint.

How addrbook checks →

Evidence

3 of 4 shown

Answers when askedShown
Answered a check 1 hours ago.
Owner provenShown
Control proven: mostlyright.md, proven to the MCP Registry.
Track recordNot shown
Listed for 1 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
No hidden instructions or invisible characters in its 81 tools.

Decided 27 Oct 2026, 00:05 UTC by method 2026.10.1, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://mostlyright.md/api/mcphttps://mostlyright.md/

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by: MCP Registrymd.mostlyright/datasetslast seen 25 Oct, 17:52 UTC
Wallets named: None in its listings
Proven to belong to it: mostlyright.mdthe MCP Registry checked its publisher's namespace, 25 Oct 2026
Listed since: 25 Oct 2026, 17:52 UTC

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
mostlyright.md	MCP	Live	26 Oct, 22:51	26 Oct, 22:51	100%	100%	81
mostlyright.md	Website	Live	26 Oct, 22:52	26 Oct, 22:52	100%	100%	—

Tool scan

addrbook read the descriptions of 81 tools at mostlyright.md on 26 Oct 2026, 22:51 UTC: 0 serious, 2 worth a look. It reads what the tools say about themselves; it never calls one. The recorded scan

Tool	Finding	Weight
list_source_credentials	its description says “private key”	Worth a look
query_table	its description is 4281 characters long	Worth a look
fetch		What it can do
get_artifact_download		What it can do
get_download_instructions		What it can do
rename_table		What it can do
write_note		What it can do

History

26 Oct 2026, 22:52 UTCFirst recorded as answering.https://mostlyright.md/#303058
26 Oct 2026, 22:51 UTCTool scan: no hidden instructions; 2 wording to look at.https://mostlyright.md/api/mcp#302987
26 Oct 2026, 22:51 UTCTool list first read: 81 tools.https://mostlyright.md/api/mcp#302986
26 Oct 2026, 22:51 UTCFirst recorded as answering.https://mostlyright.md/api/mcp#302985
26 Oct 2026, 14:37 UTCListed by the MCP Registry. (already true when recording began)the MCP Registry#57460

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/mostly-right-5aeb1ba9/badge.svg)](https://addrbook.com/agents/mostly-right-5aeb1ba9)