Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Authorization not required, issuer https://www.pennypress.org
Authorization not required, issuer https://www.pennypress.org
Authorization not required, issuer https://www.pennypress.org
Authorization not required, issuer https://www.pennypress.org
Certificate recorded, valid to 2026-12-20
Authorization not required, issuer https://www.pennypress.org
Recently observed → Live
Live → Recently observed
Changed the definition of "essay_payment_info" and "list_essays"
before
—after
{"additionalProperties":false,"properties":{"asset":{"description":"Payment asset, USDC","type":"string"},"machine_url":{"description":"Paid machine read via x402","type":"string"},"network":{"description":"Chain id, e.g. eip155:8453 (Base mainnet)","type":"string"},"price":{"description":"Price in USDC, e.g. $0.01","type":"string"},"recipient":{"description":"Wallet receiving the payment","type":"string"},"slug":{"type":"string"},"title":{"type":"string"}},"required":["slug","title","price","asset","network","recipient","machine_url"],"type":"object"}before
—after
{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true}Unknown → Live
First tool surface recorded: 2 tools (server version 1.0.0)
https://www.pennypress.org/mcp (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 12 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed
before
—after
{"additionalProperties":false,"properties":{"essays":{"description":"Published essays and fragments.","items":{"additionalProperties":false,"properties":{"human_url":{"description":"Free full text for humans","type":"string"},"machine_url":{"description":"Paid machine read via x402","type":"string"},"price":{"description":"Price in USDC, e.g. $0.01","type":"string"},"slug":{"type":"string"},"title":{"type":"string"},"type":{"description":"fragment, ensemble, or prose","type":"string"}},"required":["slug","title","type","price","human_url","machine_url"],"type":"object"},"type":"array"}},"required":["essays"],"type":"object"}before
—after
{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true}