protogrid

Search / io.github.con-scribe/penny-press

Penny Press

R0· no sign-in

Short essays and fragments. Free for humans; machines pay pennies per read via x402.

v1.0.1 · active · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality86good
Trust77of 100
Uptime, 30 days99%
Latency p50215 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "penny-press": {
      "type": "http",
      "url": "https://www.pennypress.org/mcp"
    }
  }
}
claude mcp add --transport http penny-press https://www.pennypress.org/mcp
[mcp_servers.penny-press]
url = "https://www.pennypress.org/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "penny-press": {
      "type": "remote",
      "url": "https://www.pennypress.org/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "penny-press": {
      "type": "http",
      "url": "https://www.pennypress.org/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=penny-press&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vd3d3LnBlbm55cHJlc3Mub3JnL21jcCJ9"
}
{
  "servers": {
    "penny-press": {
      "type": "http",
      "url": "https://www.pennypress.org/mcp"
    }
  }
}
{
  "mcpServers": {
    "penny-press": {
      "httpUrl": "https://www.pennypress.org/mcp"
    }
  }
}
extensions:
  "penny-press":
    enabled: true
    name: "penny-press"
    type: streamable_http
    uri: "https://www.pennypress.org/mcp"
    timeout: 300

Quality 86 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations7 of 7 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 705 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability75 · weight 15
  • warn
    stability.changes7 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

7 tools, about 705 tokens to load them all · tool set c8fa99a69ce2 · tools last changed 2026-10-12 · checked 2026-10-19 10:20 UTC

Tool changes

  • witness_attest_infoadded

    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.

  • witness_verifyadded

    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.

  • common_cents_infoadded

    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.

  • lexicon_snapshot_infoadded

    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.

  • lexicon_lookupadded

    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.

  • essay_payment_infochangedoutput schema, annotations
  • list_essayschangedoutput schema, annotations

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 77 / 100

no-repository
provenance35
liveness100
freshness100
hygiene80

+reachable +uptime-99% +updated-20d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://www.pennypress.org/mcp streamable-httpnoneyes99%215 ms2025-06-182026-10-19

Tools (7)

common_cents_inforead-onlyOverview 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.
essay_payment_inforead-onlyGet the x402 payment details for one essay (price, network, asset, recipient wallet) so a machine buyer knows how to pay.
lexicon_lookupread-onlyLook 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.
lexicon_snapshot_inforead-onlyPayment 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.
list_essaysread-onlyList 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).
witness_attest_inforead-onlyHow 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.
witness_verifyread-onlyCheck 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.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.con-scribe/penny-press",
  "icons": [
    {
      "src": "https://raw.githubusercontent.com/con-scribe/penny-press-mcp/main/logo.png",
      "sizes": [
        "480x480"
      ],
      "theme": "light",
      "mimeType": "image/png"
    }
  ],
  "title": "Penny Press",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://www.pennypress.org/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.1",
  "description": "Short essays and fragments. Free for humans; machines pay pennies per read via x402."
}