MCP server health, State of MCP census

Hugging Face

co.huggingface/hf-mcp-server

Connect to Hugging Face Hub and thousands of Gradio AI Applications

degraded checked 2026-08-03 · 9/13 checks passed · keyless

server_json_invalid

Checks

The exact rows akashi check co.huggingface/hf-mcp-server prints, from the 2026-08-03 census.

Check	Status	Detail
registry status	pass	active
server.json valid	fail	jsonschema validation failed with 'https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json#'
repo reachable	skip	no repository declared
remote reachable	pass	HTTP 401 via initialize
MCP conformance	warn	auth-gated (HTTP 401): alive, not verifiable keyless
remote reachable	pass	HTTP 200 via initialize
MCP conformance	pass	initialize handshake ok
tools/list	pass	4 tools: hf_whoami, hub_repo_search, hub_repo_details, hf_fs
remote reachable	pass	HTTP 200 via initialize
MCP conformance	pass	initialize handshake ok
tools/list	pass	4 tools: hf_whoami, hub_repo_search, hub_repo_details, hf_fs
at least one live entrypoint	pass	3 alive
spec 2026-07-28	warn	needs-migration: no server/discover, rejects handshake-free requests, still mints Mcp-Session-Id, routing headers not enforced

Spec 2026-07-28 readiness

Verdict: needs-migration(no server/discover; rejects handshake-free requests; still mints Mcp-Session-Id; routing headers not enforced). Measured against the 2026-07-28 specification (ruleset 2026-07-28-rc, 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	no
server/discover implemented	no
Session independence	session minted
Routing headers enforced	unknown

Advisory: negotiates 2025-06-18.

Evidence

Repository

No repository declared.

Packages

No packages declared.

Remote endpoints

https://huggingface.co/mcp?login
streamable-http · reachable· HTTP 401· auth_gated
https://huggingface.co/mcp
streamable-http · reachable· HTTP 200· initialize_ok

4 tools: hf_whoami, hub_repo_search, hub_repo_details, hf_fs
https://huggingface.co/mcp
streamable-http · reachable· HTTP 200· initialize_ok

4 tools: hf_whoami, hub_repo_search, hub_repo_details, hf_fs

server.json

invalidagainst its declared schema

jsonschema validation failed with 'https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json#'
- at '/repository': missing properties 'url', 'source'

One of 19804 servers in the 2026-08-03 State of MCP census: 15974 healthy (80.7%), 2792 degraded (14.1%), 851 dead (4.3%), 187 unknown (0.9%).

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 co.huggingface/hf-mcp-server

Install 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 co.huggingface/hf-mcp-server --badge.

Open data, CC BY 4.0. How this census works - denominator, tiers, and what each check does.