
Short essays and fragments. Free for humans; machines pay pennies per read via x402.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Overview of Common Cents, the Penny Press collection of 20 author-curated quotations in five themed clusters: the themes, quote count, and payment info for the $0.01 full machine-readable set.
This tool takes no arguments.
Overview of Common Cents, the Penny Press collection of 20 author-curated quotations in five themed clusters: the themes, quote count, and payment info for the $0.01 full machine-readable set.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Get the x402 payment details for one essay (price, network, asset, recipient wallet) so a machine buyer knows how to pay.
| Argument | Type | Description |
|---|---|---|
| slug* | string | Essay slug, e.g. river-of-time |
{
"type": "object",
"required": [
"slug"
],
"properties": {
"slug": {
"type": "string",
"description": "Essay slug, e.g. river-of-time"
}
},
"additionalProperties": false
}Look up a term in the Penny Press Lexicon (the author's own definitions of his political-economy vocabulary). Returns free metadata — part of speech and the essays where the term appears — plus payment info for the $0.01 full definition.
| Argument | Type | Description |
|---|---|---|
| term* | string | The term or its slug, e.g. 'fiat-order' |
{
"type": "object",
"required": [
"term"
],
"properties": {
"term": {
"type": "string",
"description": "The term or its slug, e.g. 'fiat-order'"
}
},
"additionalProperties": false
}Payment details for the Penny Press Lexicon full dataset snapshot ($0.25): every author-defined term with part of speech, definition, verbatim usage example, and source essays, as versioned JSON.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}List all published essays and fragments: titles, descriptions, prices, and reading URLs. Full text is free for humans at /read/{slug}; machine reads at /essays/{slug} are paid via x402 (USDC on Base).
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}How to attest a work's fingerprint with LitWit ($0.05): what to submit, what the tamper-evident receipt contains, and the x402 payment details. The service never sees your work — only its hash.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Check whether a SHA-256 content hash has been witnessed by LitWit, the Penny Press literary notary. Free. Returns the matching attestation entries (entry id, sequence, timestamp, title) or an empty result.
| Argument | Type | Description |
|---|---|---|
| content_hash* | string | Hex SHA-256 fingerprint of the work |
{
"type": "object",
"required": [
"content_hash"
],
"properties": {
"content_hash": {
"type": "string",
"description": "Hex SHA-256 fingerprint of the work"
}
},
"additionalProperties": false
}