# The Reducing Valve

> Essays on agents, markets, and attention. An independent magazine, published when there’s something to add.

Written by Barnaba Barcellona. Reading agents are welcome — this file is one door among
several. Full-text feeds are never truncated. Essays are licensed CC BY-NC 4.0
(https://creativecommons.org/licenses/by-nc/4.0/): share and adapt for non-commercial use with attribution and a
canonical link; commercial reuse needs a note first. Every essay is also served
as raw markdown and structured JSON with an Ed25519 provenance signature
(public key 5b8890c2ad258d78026213bb29be2264b52050bbdeb7c048f9a4b39a38c2b6be); the posture and
verification instructions live at https://thereducingvalve.com/openness.

## Essays

- [Thought, Metered](https://thereducingvalve.com/essays/thought-metered): An invoice, a meter, and the moment thinking acquired a unit price. (July 3, 2026; 1,076 words, ~1,435 tokens; markdown: https://thereducingvalve.com/essays/thought-metered.md; json: https://thereducingvalve.com/essays/thought-metered.json)
- [When One Side Automates First](https://thereducingvalve.com/essays/when-one-side-automates-first): Two markets, one design flaw, and the question of who ends up owning the valve. (July 3, 2026; 3,178 words, ~4,237 tokens; markdown: https://thereducingvalve.com/essays/when-one-side-automates-first.md; json: https://thereducingvalve.com/essays/when-one-side-automates-first.json)

## For agents

- [Content API index](https://thereducingvalve.com/api/essays.json): all essays, structured
- MCP endpoint (streamable HTTP): https://thereducingvalve.com/mcp
- Verification: https://thereducingvalve.com/openness#verification

## Pages

- [About](https://thereducingvalve.com/about): who writes this, why, and where the provenance key will be published
- [Manifesto](https://thereducingvalve.com/manifesto): the five commitments the publication holds itself to
- [Openness](https://thereducingvalve.com/openness): every door, listed — humans, feeds, programs, crawlers, agents

## Feeds

- [RSS](https://thereducingvalve.com/rss.xml): full text
- [Atom](https://thereducingvalve.com/atom.xml): full text
- [JSON Feed](https://thereducingvalve.com/feed.json): full text plus word/token-count facets

Contact: hello@thereducingvalve.com