Hugging Face MCP · Hugging Face

Operational
Unclaimed — claim this pagedeveloper-tools Streamable HTTP2025-06-18 API key expected
https://huggingface.co/mcp Docs
Badge
100%
Availability · 30 days · 356 checks
43 ms
Latency (last observation)
rev 4
Contract
27days
Schema stable
0
Incidents · 30 days
Aug 6, 2026
Observed since

Availability — last 30 days

No failures Some failures Mostly failing Auth required No observations

Last observed 1 h ago by MCP Tools Edge Scanner · scheduled every 120 min

Server version changed Informational Sep 16, 2026 — 1:55 PM
Server reports version 0.4.20 (was 0.4.19).
Verifiedinitialize returned serverInfo.version 0.4.20.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Sep 10, 2026 — 7:40 PM
Server reports version 0.4.19 (was 0.4.18).
Verifiedinitialize returned serverInfo.version 0.4.19.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Descriptions or metadata changed Informational Sep 10, 2026 — 7:40 PM
1 description/metadata change; the functional contract is unchanged (hash sha256:5575083c8b77e527…).
VerifiedDescriptions or metadata for hf_fs changed.
InterpretationNo structural change. Wording changes can still influence model tool selection.
PathChangeClassificationDetail
tools.hf_fs description changed Informational Descriptions or metadata for hf_fs changed.
No structural change. Wording changes can still influence model tool selection.
Observed by MCP Tools Edge Scanner
Server version changed Informational Sep 9, 2026 — 11:25 AM
Server reports version 0.4.18 (was 0.4.15).
Verifiedinitialize returned serverInfo.version 0.4.18.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Descriptions or metadata changed Informational Sep 9, 2026 — 11:25 AM
1 description/metadata change; the functional contract is unchanged (hash sha256:5575083c8b77e527…).
VerifiedDescriptions or metadata for hf_fs changed.
InterpretationNo structural change. Wording changes can still influence model tool selection.
PathChangeClassificationDetail
tools.hf_fs description changed Informational Descriptions or metadata for hf_fs changed.
No structural change. Wording changes can still influence model tool selection.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 26, 2026 — 8:55 PM
Server reports version 0.4.15 (was 0.4.14).
Verifiedinitialize returned serverInfo.version 0.4.15.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Descriptions or metadata changed Informational Aug 26, 2026 — 8:55 PM
1 description/metadata change; the functional contract is unchanged (hash sha256:5575083c8b77e527…).
VerifiedDescriptions or metadata for hf_fs changed.
InterpretationNo structural change. Wording changes can still influence model tool selection.
PathChangeClassificationDetail
tools.hf_fs description changed Informational Descriptions or metadata for hf_fs changed.
No structural change. Wording changes can still influence model tool selection.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 26, 2026 — 2:40 PM
Server reports version 0.4.14 (was 0.4.13).
Verifiedinitialize returned serverInfo.version 0.4.14.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 25, 2026 — 11:35 AM
Server reports version 0.4.13 (was 0.4.12).
Verifiedinitialize returned serverInfo.version 0.4.13.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Descriptions or metadata changed Informational Aug 25, 2026 — 11:35 AM
1 description/metadata change; the functional contract is unchanged (hash sha256:5575083c8b77e527…).
VerifiedDescriptions or metadata for hf_fs changed.
InterpretationNo structural change. Wording changes can still influence model tool selection.
PathChangeClassificationDetail
tools.hf_fs description changed Informational Descriptions or metadata for hf_fs changed.
No structural change. Wording changes can still influence model tool selection.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 21, 2026 — 8:06 PM
Server reports version 0.4.12 (was 0.4.11).
Verifiedinitialize returned serverInfo.version 0.4.12.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 21, 2026 — 9:41 AM
Server reports version 0.4.11 (was 0.4.10).
Verifiedinitialize returned serverInfo.version 0.4.11.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Breaking contract changes (32) Breaking Aug 21, 2026 — 9:41 AM
27 breaking, 3 potentially breaking, 1 non-breaking changes. Required parameter operations was added at hf_fs.inputSchema.
VerifiedRequired parameter operations was added at hf_fs.inputSchema.
InterpretationExisting calls that omit operations may fail schema validation.
Raw event details
{
  "beforeRev": 3,
  "afterRev": 4,
  "changeCount": 32
}
View full diff Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 20, 2026 — 2:56 PM
Server reports version 0.4.10 (was 0.4.9).
Verifiedinitialize returned serverInfo.version 0.4.10.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 14, 2026 — 1:15 PM
Server reports version 0.4.9 (was 0.4.8).
Verifiedinitialize returned serverInfo.version 0.4.9.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Potentially breaking contract changes (8) Potentially breaking Aug 14, 2026 — 1:15 PM
1 potentially breaking, 3 non-breaking changes. Schema composition (allOf) at hf_fs.outputSchema changed.
VerifiedSchema composition (allOf) at hf_fs.outputSchema changed.
InterpretationThe accepted shape changed in a way that requires manual review; some existing calls may no longer validate.
Raw event details
{
  "beforeRev": 2,
  "afterRev": 3,
  "changeCount": 8
}
View full diff Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 12, 2026 — 1:20 PM
Server reports version 0.4.8 (was 0.4.7).
Verifiedinitialize returned serverInfo.version 0.4.8.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 12, 2026 — 11:15 AM
Server reports version 0.4.7 (was 0.4.8).
Verifiedinitialize returned serverInfo.version 0.4.7.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 11, 2026 — 12:20 PM
Server reports version 0.4.8 (was 0.4.7).
Verifiedinitialize returned serverInfo.version 0.4.8.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Server version changed Informational Aug 7, 2026 — 2:41 PM
Server reports version 0.4.7 (was 0.4.6).
Verifiedinitialize returned serverInfo.version 0.4.7.
InterpretationVersion changes often accompany contract or behavior changes; drift detection will confirm.
Observed by MCP Tools Edge Scanner
Non-breaking contract changes (2) Non-breaking Aug 7, 2026 — 2:41 PM
1 non-breaking change. Tool hf_whoami now declares an output schema.
VerifiedTool hf_whoami now declares an output schema.
InterpretationA new guarantee for consumers.
Raw event details
{
  "beforeRev": 1,
  "afterRev": 2,
  "changeCount": 2
}
View full diff Observed by MCP Tools Edge Scanner
Baseline captured Aug 6, 2026 — 5:10 AM
4 tools, 155 resources, 0 prompts observed. Future observations will identify outages, recoveries, protocol changes, and contract drift from this state.
VerifiedCanonical contract hash sha256:44726c061eb0bc84… computed from the normalized capability inventory.
Raw event details
{
  "contractHash": "sha256:44726c061eb0bc84805b44f046ecf47d3c9d5832db4d2fa03093e6450b121438"
}
Observed by MCP Tools Edge Scanner