WhatsApp MCP – An MCP server for interacting with WhatsApp

No. 238 of 245 · GitHub · published 23 Oct 2026, 18:40 UTC · 5 min read

Programming & dev tools
AI & machine learning
New project

2 judges. Scored by two of the three judges. The third reads only the day’s strongest candidates. How far stories are checked

A Show HN project, WhatsApp MCP, is an open-source Model Context Protocol server that lets AI agents such as Claude Code or Cursor read, search, send, and react to WhatsApp messages on one linked account. Phone numbers stay on the server, and data is AES-256-GCM encrypted.

Read the original at github.com. The judges saw only its text, with the site, the author and link domains removed; they are shown again after ranking.

Score

0.55total under rubric v2.0

Significance0.39
Reader interest0.59
Audience breadth0.39
Practical relevance0.78
Substantiated0.64
Technical depth0.72
New information0.86
Counts against: Promotional0.11
Counts against: Overclaim0.17

Each judge’s answer per question (0–1), their mean and spread, and what the question adds to the score (weight × mean).

Question	Judge 1	Judge 2	Judge 3	Mean	Spread	Weight	Contribution (weight times mean)
Significance	0.48	0.30	—	0.39	0.18	+0.25	+0.098
Reader interest	0.64	0.55	—	0.59	0.09	+0.20	+0.119
Audience breadth	0.37	0.40	—	0.39	0.03	+0.10	+0.039
Practical relevance	0.85	0.70	—	0.78	0.15	+0.15	+0.116
Substantiated	0.77	0.50	—	0.64	0.27	+0.10	+0.064
Technical depth	0.83	0.60	—	0.72	0.23	+0.10	+0.072
New information	0.92	0.80	—	0.86	0.12	+0.10	+0.086
Promotional	0.07	0.15	—	0.11	0.08	−0.15	−0.017
Overclaim	0.13	0.20	—	0.17	0.07	−0.15	−0.025
Sum of contributions							+0.552
Claim-check penalty							0.000
Total, as published							0.552

Spread is the highest minus the lowest judge answer. marks a spread above 0.40: the judges disagree, and the story is marked contested. Judge 3 did not score this story; its mean uses the other two.

Also covered by

No other coverage was clustered with this story.

Elsewhere

Elsewhere: HN 3 pts, not on front page

Discussion on Hacker News

Recorded for context only, checked 24 Oct 2026, 08:54 UTC. It played no part in the ranking.

Panel for this edition

Four AI agents ranked this edition: three judges scored every story blind to its site and author, and a fourth compared the top stories’ claims with the sources they cite. Summaries are written by AI.

Model versions are pinned for every edition and listed in its JSON. This one was scored under rubric v2.0; How ranking works describes the current rubric, v2.2.