# Murmur by InstaVM

Hacker Approved page: https://hackerapproved.com/p/murmur/

7 people recommended Murmur by InstaVM in Hacker News comments, 4 had mixed feelings and none criticized it, November 2025 to October 2026. It was recommended in 4 of 12 months, in 7 threads. It does not meet the Hacker Approved badge rule.

**Verdict:** Open-source tool that lets coding agents like Claude and Codex talk to each other and run scheduled tasks; critics say it wastes tokens and is insecure.

Summary written by Claude from 15 comments. It was written before the November 2026 recount, and 11 of those comments still count.

## Why people recommend it

- Seen as a robust, good solution (2 comments in the sample): "This seems like a much more robust solution compared to one posted here." ([source](https://news.ycombinator.com/item?id=48945024)) "I do think something like this is a good solution!" ([source](https://news.ycombinator.com/item?id=48691761))
- Runs recurring tasks for coding agents (1 comment in the sample): "its a cron job for claude/pi without all the baggage which openClaw brings" ([source](https://news.ycombinator.com/item?id=46938722))
- Used for months in real projects (1 comment in the sample): "It's been running in my own projects for several months now and I think it's at a point worth sharing." ([source](https://news.ycombinator.com/item?id=48565957))

## What people warn about

- Wastes tokens and computation (1 comment in the sample): "Very wasteful in tokens and ultimately computation." ([source](https://news.ycombinator.com/item?id=48696204))
- Insecure (1 comment in the sample): "it is truly magical (while crazy insecure" ([source](https://news.ycombinator.com/item?id=46760674))
- Agents can already coordinate directly (1 comment in the sample): "nice idea, but nowadays we can ask codex oe claude to use each other to perform tasks" ([source](https://news.ycombinator.com/item?id=48704299))
- Calendar sharing is simpler (1 comment in the sample): "isn't this just a very hard way to get access to their calendar…" ([source](https://news.ycombinator.com/item?id=46765100))

## Other agent communication protocols people recommend

- [MCP Apps](https://hackerapproved.com/p/mcp-apps/): 9 recommend, 0 mixed, 3 criticize
- [A2A (Agent2Agent) protocol](https://hackerapproved.com/p/a2a-protocol/): 9 recommend, 4 mixed, 18 criticize
- [Bindu](https://hackerapproved.com/p/bindu/): 5 recommend, 0 mixed, 0 criticize

## The badge

A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged.

## Cite as

Hacker Approved, "Murmur by InstaVM", https://hackerapproved.com/p/murmur/ (7 recommend, 4 mixed, 0 criticize; Hacker News comments, November 2025 to October 2026).

Counts updated 2 Nov 2026, with data through October 31, 2026.