Penny Press
mcp remote · streamable-http · v1.0.1 · source: crawl
https://www.pennypress.org/mcp
Short essays and fragments. Free for humans; machines pay pennies per read via x402.
Works
100
Verified Oct 31, 2026 · p50 560 ms · p95 624 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'penny-press' |
| tools_listed | 15 | pass | 7 tools |
| schema_complete | 15 | pass | 7 of 7 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 560 ms |
| latency_p95 | 5 | pass | p95 624 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (7)
| Name | Description | Schema |
|---|---|---|
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). | typed |
essay_payment_info | Get the x402 payment details for one essay (price, network, asset, recipient wallet) so a machine buyer knows how to pay. | typed |
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 | typed |
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. | typed |
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. | typed |
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 | typed |
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. | typed |
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[](https://app.agent-xm.com/a/io-github-con-scribe-penny-press)
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