MCP server health, State of MCP census
SendCheck — EVM address verification (x402)
org.pennyforge.api/sendcheck
Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.
Checks
The exact rows akashi check org.pennyforge.api/sendcheck prints, from the 2026-09-09 census.
| Check | Status | Detail |
|---|---|---|
| registry status | pass | active |
| server.json valid | pass | validates against its declared JSON Schema |
| repo reachable | pass | exists |
| repo freshness | pass | pushed 0d ago |
| remote reachable | pass | HTTP 200 via initialize |
| MCP conformance | pass | initialize handshake ok |
| tools/list | pass | 3 tools: validate_address, check_address, deep_scan |
| at least one live entrypoint | pass | 2 alive |
| license present | pass | MIT |
| spec 2026-07-28 | warn | needs-migration: no server/discover, still mints Mcp-Session-Id, routing headers not enforced |
Spec 2026-07-28 readiness
Verdict: needs-migration(no server/discover; still mints Mcp-Session-Id; routing headers not enforced). Measured against the 2026-07-28 specification (ruleset 2026-07-28, compiled from the draft and re-diffed against the final text with no verdict-bearing rule changed) with read-only, keyless calls; see the ecosystem readiness report for how this server compares.
| Accepts handshake-free calls | yes |
| server/discover implemented | no |
| Session independence | session minted |
| Routing headers enforced | ignored |
Advisory: no resultType on results; no cache metadata on list results; negotiates 2025-06-18.
Evidence
Packages
No packages declared.
Remote endpoints
- https://api.pennyforge.org/mcp
streamable-http · reachable· HTTP 200· initialize_ok
3 tools: validate_address, check_address, deep_scan
server.json
validagainst its declared schema
One of 29522 servers in the 2026-09-09 State of MCP census: 23538 healthy (79.7%), 4664 degraded (15.8%), 1162 dead (3.9%), 158 unknown (0.5%).
Verify it yourself
This page is a static read of one dated probe. Run the same check locally, any time, with no key:
$ akashi check org.pennyforge.api/sendcheckInstall Akashi - single Go binary, zero keys, MIT licensed.
Is this your server?
Claiming a server (an auto-refreshing badge and a verified publisher profile) is coming soon. Until then, embed the verified-on-date badge yourself with akashi check org.pennyforge.api/sendcheck --badge.
Open data, CC BY 4.0. How this census works - denominator, tiers, and what each check does.