DefaultBench
REMOTE · DEFAULTBENCH.COM · SCANNED SEP 20
Search transparent sponsored listings for agents, APIs, tools, and MCP servers.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security63
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 13 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability77
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 797 tokens (~56/item across 14 items; 13 tools + 1 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management60
- Stability observed for 18 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage71
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 0% of tool parameters carry a description.Fail
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 13 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 15 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a current MCP spec version (2026-07-28).Pass
How do I install the DefaultBench MCP server?
DefaultBench is a hosted endpoint at https://defaultbench.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · defaultbench.com
claude mcp add --transport http nathanyoshua-defaultbench 'https://defaultbench.com/mcp'
{
"mcpServers": {
"nathanyoshua-defaultbench": {
"url": "https://defaultbench.com/mcp"
}
}
} {
"servers": {
"nathanyoshua-defaultbench": {
"type": "http",
"url": "https://defaultbench.com/mcp"
}
}
} [mcp_servers.nathanyoshua-defaultbench] url = "https://defaultbench.com/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"nathanyoshua-defaultbench": {
"type": "remote",
"url": "https://defaultbench.com/mcp",
"enabled": true
}
}
} openclaw mcp add nathanyoshua-defaultbench --url 'https://defaultbench.com/mcp' --transport streamable-http
mcp_servers:
nathanyoshua-defaultbench:
url: "https://defaultbench.com/mcp" {
"McpServers": {
"nathanyoshua-defaultbench": {
"Transport": "http",
"Url": "https://defaultbench.com/mcp"
}
}
} assistant mcp add nathanyoshua-defaultbench -t streamable-http -u 'https://defaultbench.com/mcp'
{
"mcpServers": {
"nathanyoshua-defaultbench": {
"type": "http",
"url": "https://defaultbench.com/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 19 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes.
- 17 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes.
- 15 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.
- 13 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes.
- 10 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.
- 8 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes.
- 6 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes.
- 4 Sept 26 +1
- The server rewrote its instructions, which are the text every model session reads security
- Schema quality: 276 → 797 ▼ functional
- Server version: 1.0.0 → 1.1.0 functional
- New tool “compare_resources” functional
- New tool “complete_seller_analytics_challenge” functional
- New tool “get_claim_status” functional
- New tool “get_discovery_sources” functional
- New tool “get_evidence_history” functional
- New tool “get_seller_analytics” functional
- New tool “get_seller_analytics_challenge” functional
- New tool “inspect_organic_resource” functional
- New tool “validate_organic_resource” functional
- “search_agents” added an optional parameter “category” cosmetic
- “search_agents” added an optional parameter “freshness” cosmetic
- “search_agents” added an optional parameter “min_success_rate” cosmetic
- “search_agents” added an optional parameter “protocol” cosmetic
- “search_agents” added an optional parameter “sort” cosmetic
- “search_agents” added an optional parameter “source” cosmetic
- “search_agents” added an optional parameter “tool” cosmetic
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 20 Sept 2026 · Probed https://defaultbench.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=defaultbench.com | CN=YR2,O=Let's Encrypt,C=US | 2 Sept 2026 | 1 Dec 2026 | RSA 2048 | SHA256-RSA | 631b7c4a58741758bf8be219b9ed138e1e4 |
| SANs: defaultbench.com | ||||||
| CN=YR2,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | 4ebd24947e24d394802d84a52fd5b319 |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of defaultbench.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| defaultbench.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=31536000; includeSubDomains |
| content-security-policy | default-src 'self'; base-uri 'none'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; img-src 'self' data:; font-src 'self'; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; connect-src 'self'; upgrade-insecure-requests |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=(), payment=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://defaultbench.com/mcp | Verified | 200 | |
| http (plaintext) | http://defaultbench.com/mcp | HTTPS enforced | 308 | https://defaultbench.com/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
compare_resources Compare two to five resources ~30
Compare declared fields and objective bounded evidence side by side without changing sponsored ordering.
| Name | Type | Req | Description |
|---|---|---|---|
| resources | array | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
complete_seller_analytics_challenge Complete seller analytics challenge ~53
Consume one wallet-signed challenge and return a listing-bound five-minute bearer token.
| Name | Type | Req | Description |
|---|---|---|---|
| challenge_id | string | yes | – |
| listing_id | string | yes | – |
| wallet_signature | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
get_claim_status Get resource claim status ~39
Return the current time-limited domain and wallet controller link. Claim status does not affect paid rank or quality.
| Name | Type | Req | Description |
|---|---|---|---|
| resource_id | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
get_discovery_sources Inspect organic source status ~28
Return non-secret synchronization freshness, state, and active/stale counts for approved organic sources.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
get_evidence_history Get resource evidence history ~64
Return declared provenance plus timestamped bounded conformance and reliability observations. Evidence is not trust, safety, quality, or endorsement.
| Name | Type | Req | Description |
|---|---|---|---|
| cursor | string | – | – |
| id | string | yes | – |
| limit | integer | – | – |
| subject_type | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
get_listing Get one agent listing ~33
Return one paid listing, its current rank, verified payer identity, and declared machine endpoints.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
get_seller_analytics Read seller attribution analytics ~73
Read one listing's aggregate funnel, spend, rank history, freshness and time series using a short-lived listing-bound token.
| Name | Type | Req | Description |
|---|---|---|---|
| access_token | string | yes | – |
| from | string | – | – |
| granularity | string | – | – |
| listing_id | string | yes | – |
| to | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
get_seller_analytics_challenge Create seller analytics challenge ~56
Create a one-time EIP-712 challenge for the listing's verified payer or current verified controller. This creates no account or cookie.
| Name | Type | Req | Description |
|---|---|---|---|
| listing_id | string | yes | – |
| wallet_address | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
inspect_keyword Inspect a keyword market ~42
Return the keyword summary and deterministic ranking ordered by cumulative verified payment.
| Name | Type | Req | Description |
|---|---|---|---|
| cursor | string | – | – |
| keyword | string | yes | – |
| limit | integer | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
inspect_organic_resource Inspect one organic resource ~36
Return the intact unpaid imported record, source provenance, and current verified-controller link if one exists.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
quote_rank Quote a higher rank ~37
Calculate informational minimum additions for higher positions. Final rank is determined at settlement.
| Name | Type | Req | Description |
|---|---|---|---|
| keyword | string | yes | – |
| wallet | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
search_agents Search sponsored and organic discovery ~113
Search local inventory. Sponsored listings include paid rank and cumulative verified bid; organic resources are separate unpaid external records with source provenance.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | – | – |
| cursor | string | – | – |
| freshness | string | – | – |
| limit | integer | – | – |
| min_success_rate | number | – | – |
| organic_cursor | string | – | – |
| protocol | string | – | – |
| query | string | yes | – |
| sort | string | – | – |
| source | string | – | – |
| tool | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
validate_organic_resource Validate sponsorship readiness ~41
Read-only validation of source provenance, canonical endpoint, and current controller state. It never creates a listing or payment.
| Name | Type | Req | Description |
|---|---|---|---|
| resource_id | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| result | – | yes | – |
No examples provided.
What is the DefaultBench MCP server?
DefaultBench is an MCP server listed in the public MCP registry as io.github.NathanYoshua/defaultbench. Search transparent sponsored listings for agents, APIs, tools, and MCP servers. This page covers its hosted endpoint (https://defaultbench.com/mcp).
Is the DefaultBench MCP server safe to use?
DefaultBench scores 73 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the DefaultBench MCP server expose?
DefaultBench exposes 13 tools: search_agents, get_evidence_history, compare_resources, get_discovery_sources, inspect_organic_resource, and 8 more. Their descriptions and schemas cost roughly 645 tokens of context every time the server is loaded.
Does the DefaultBench MCP server require authentication?
No. We connected to DefaultBench without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the DefaultBench MCP server still maintained?
DefaultBench is still listed as active in the MCP registry. We last reached this channel on 20 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.