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MCP live MCP 2025-06-18 http

Penny Press

con-scribe/penny-press

Essays on freedom, economics and philosophy. Free for humans to read; pay-per-read for AI agents via x402 micropayments (USDC on Base).

Website ↗
Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1054ms
last probe
Tools
7
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://www.pennypress.org/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
7 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
7 items in total; 3 or more earns these points.
pass Describes itself 10/10
135 characters; more than 30 earns these points.

Tools · 7

list_essays

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).

essay_payment_info

Get the x402 payment details for one essay (price, network, asset, recipient wallet) so a machine buyer knows how to pay.

lexicon_lookup

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 paymen…

lexicon_snapshot_info

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.

common_cents_info

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.

witness_verify

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 re…

witness_attest_info

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.

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://www.pennypress.org/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "penny_press": {
      "url": "https://www.pennypress.org/mcp",
      "transport": "http"
    }
  }
}