Choosing between MCP, A2A, and REST endpoints shouldn't be guesswork. Vouch surfaces real-world community adoption, tests protocol conformance, and publishes an independent trust score — so you can select on evidence.
An endpoint in a registry tells you it exists. It says nothing about whether the MCP handshake completes, whether the schema matches the docs, whether it was up last week, or whether any real agent has ever called it successfully. Vouch answers all four.
Status pages are written by vendors. Vouch is not. We probe from outside, publish every result in the open, and have no commercial incentive to soften a bad reading. Independent verification is structurally more trustworthy than self-reporting — the same reason companies get SOC2 audits.
A developer choosing between seven MCP servers needs evidence at integration time. An agent routing tool calls needs the same evidence at runtime. Vouch publishes one source of truth — over the web, over REST, over MCP and A2A — so both get it without scraping.
Search the registry, inspect the Class rating, review conformance scores and 30-day reliability history. Make the integration decision on data — not docs, not reputation, not GitHub stars.
Register in 60 seconds. Vouch probes your endpoint continuously, scores it independently, and publishes the result. The badge is a third-party receipt — not a self-report.
The same data that powers this site is served over MCP and A2A. Agents can check status, compare endpoints, and fail gracefully on degraded services — in real time, programmatically.
A server can return HTTP 200 and still be non-conformant, poorly implemented, or unused by any real agent. The Class rating separates those cases clearly.
Model Context Protocol servers. Probed for transport health, initialize handshake completion, schema conformance, and tool/resource listing validity.
Agent-to-Agent protocol endpoints. Probed for agent card structure, capability advertisement correctness, and message round-trip health.
HTTP endpoints. Probed with configurable expectations: status code, response time budget, and optional body schema match.
Every status, score, and latency number you see on this site is published as structured JSON at a stable URL. No private dashboards. No editorial layer. What we measure is what we publish.
// GET /api/v1/status { "endpoints": [{ "slug": "agentic-shelf", "protocol": "MCP", "class": "A", "status": "operational", "uptime_30d": 1.0, "conformance": "pass", "agents_vouched": 1240 }] }
Submit via form or POST /api/v1/register. No account required. Accepted endpoints begin probing within minutes.
Synthetic checks run every minute. Protocol conformance and schema validation run on every check. Results are written immediately.
Each endpoint is scored Class D through A based on conformance, reliability history, and independently observed community adoption.
All data is public, machine-readable, and served over REST, MCP, and A2A. The score updates the minute the data changes.
Community telemetry gives Vouch a real-world adoption signal — the one no synthetic tool can replicate. Probing gives it a controlled, independent conformance baseline. Neither alone is sufficient. Combined, they produce a rating that is both practically validated and technically rigorous.
Submit any MCP, A2A, or REST endpoint. We probe it independently, score it honestly, and publish the result publicly. No login. No fee. No obligation to like what we find.