PageProof
https://pageproof.alert-crab-1890.chatgpt.site/api/mcp ↗
Description
PDF text by page with hashes. 0.005 USDC/Base via x402. No OCR. Check /health for readiness.
What our measurements say
PageProof is a remote MCP server published at pageproof.alert-crab-1890.chatgpt.site. It has been probed 5 times since 9/13/2026. It answered in 5 of them (100.0%), a near-uninterrupted record. Median response time is 1,830 ms, a delay an agent will notice. It offers a narrow, focused set of 1 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Agent readability score
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| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 12:47:19 | Legacy | 200 | 945 | 200 | 1221 | 2025-11-25 |
| 2026-09-13 10:45:14 | Legacy | 200 | 2455 | 200 | 2208 | 2025-11-25 |
| 2026-09-13 08:43:04 | Legacy | 200 | 1830 | 200 | 1954 | 2025-11-25 |
| 2026-09-13 06:40:42 | Legacy | 200 | 1772 | 200 | 1741 | 2025-11-25 |
| 2026-09-13 04:35:29 | Legacy | 200 | 1894 | 200 | 1696 | 2025-11-25 |
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 77ms → warm 77ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
pdf_extractExtract text from a digital PDF into page-numbered JSON with SHA-256 hashes. No account or API key. 0.005 USDC on Base per successful document via x402. Maximum 2 MiB and 25 pages. No OCR, summaries, URL fetching, or verification of document claims.
pdf_base64stringrequired
Availability history
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Era history
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
Response time history
The two probe legs separately: modern server/discover and legacy initialize.
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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Add this badge to your README — it updates automatically as measurements change.
[](https://mcpmetrics.io/servers/site-chatgpt-alert-crab-1890-pageproof-pdf-extract)<a href="https://mcpmetrics.io/servers/site-chatgpt-alert-crab-1890-pageproof-pdf-extract"><img src="https://mcpmetrics.io/badge/site.chatgpt.alert-crab-1890.pageproof/pdf-extract/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
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