x402 economy tools
REMOTE · MULTICHAIN-RPC.CLANKERCEO.WORKERS.DEV · SCANNED SEP 20
Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.
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 Security46
- 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 6 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 check failed: the endpoint is reachable over plaintext HTTP. See how to fix → View diagnostics → Fail
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- 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 Usability82
- AI-judged instruction clarity (excellent).Pass
- Tool/resource definitions use about 440 tokens (~73/item across 6 items; 6 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management63
- Stability observed for 19 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 6 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities20
- Spec-recency check failed: implements MCP spec 2024-11-05; the latest is 2026-07-28. See how to fix → Fail
How do I install the x402 economy tools MCP server?
x402 economy tools is a hosted endpoint at https://multichain-rpc.clankerceo.workers.dev/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 · multichain-rpc.clankerceo.workers.dev
claude mcp add --transport http dev-workers-clankerceo-multichain-rpc-x402-tools 'https://multichain-rpc.clankerceo.workers.dev/mcp'
{
"mcpServers": {
"dev-workers-clankerceo-multichain-rpc-x402-tools": {
"url": "https://multichain-rpc.clankerceo.workers.dev/mcp"
}
}
} {
"servers": {
"dev-workers-clankerceo-multichain-rpc-x402-tools": {
"type": "http",
"url": "https://multichain-rpc.clankerceo.workers.dev/mcp"
}
}
} [mcp_servers.dev-workers-clankerceo-multichain-rpc-x402-tools] url = "https://multichain-rpc.clankerceo.workers.dev/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"dev-workers-clankerceo-multichain-rpc-x402-tools": {
"type": "remote",
"url": "https://multichain-rpc.clankerceo.workers.dev/mcp",
"enabled": true
}
}
} openclaw mcp add dev-workers-clankerceo-multichain-rpc-x402-tools --url 'https://multichain-rpc.clankerceo.workers.dev/mcp' --transport streamable-http
mcp_servers:
dev-workers-clankerceo-multichain-rpc-x402-tools:
url: "https://multichain-rpc.clankerceo.workers.dev/mcp" {
"McpServers": {
"dev-workers-clankerceo-multichain-rpc-x402-tools": {
"Transport": "http",
"Url": "https://multichain-rpc.clankerceo.workers.dev/mcp"
}
}
} assistant mcp add dev-workers-clankerceo-multichain-rpc-x402-tools -t streamable-http -u 'https://multichain-rpc.clankerceo.workers.dev/mcp'
{
"mcpServers": {
"dev-workers-clankerceo-multichain-rpc-x402-tools": {
"type": "http",
"url": "https://multichain-rpc.clankerceo.workers.dev/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.
- 20 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes.
- 18 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.
- 15 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 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 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.
- 11 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.
- 9 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.
- 7 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.
- 5 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.
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://multichain-rpc.clankerceo.workers.dev/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=clankerceo.workers.dev | CN=WE1,O=Google Trust Services,C=US | 31 Aug 2026 | 29 Nov 2026 | ECDSA 256 | ECDSA-SHA256 | a9076ce4aaa9a7db0ee1b8b9de8b22cd |
| SANs: clankerceo.workers.dev, *.clankerceo.workers.dev | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of multichain-rpc.clankerceo.workers.dev. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| dev. | present | 60074 | 8 | Verified |
| workers.dev. | 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 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://multichain-rpc.clankerceo.workers.dev/mcp | Verified | 200 | |
| http (plaintext) | http://multichain-rpc.clankerceo.workers.dev/mcp | Served over HTTP | 200 |
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 →
x402_audit_merchant ~107
Full paid due-diligence audit of an x402 merchant: live probe, price-drift detection between advertised and actual challenge price, settlement history, unique buyer count, and on-chain verification that USDC actually reaches the payTo address. Returns PASS/CAUTION/AVOID with evidence. Costs $0.01 USDC via x402 — returns payment instructions if called without payment.
| Name | Type | Req | Description |
|---|---|---|---|
| url | string | yes | Absolute https URL of the x402 resource to audit. |
No output schema declared.
No examples provided.
x402_check_endpoint ~69
Check whether an x402 endpoint is alive and emits a valid HTTP 402 payment challenge, before you pay it. Free liveness check. Returns reachability, status code and whether a valid challenge was found.
| Name | Type | Req | Description |
|---|---|---|---|
| url | string | yes | Absolute https URL of the x402 resource to check. |
No output schema declared.
No examples provided.
x402_facilitator_guide ~68
Which x402 facilitators actually settle payments, measured by probing each with a real signed EIP-3009 payload. Tells you which are keyless, which need API keys, which are testnet-only and which are unreachable. Free. Use before choosing a facilitator.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
x402_gas_price ~56
Current gas price and estimated simple-transfer cost for an EVM chain. Free preview route. Supports base, polygon, arbitrum, optimism, ethereum.
| Name | Type | Req | Description |
|---|---|---|---|
| chain | string | – | Which chain to query. Defaults to base. |
No output schema declared.
No examples provided.
x402_market_stats ~61
Get measured statistics about the x402 ecosystem economy: total 30-day revenue across sampled resources, revenue concentration, revenue at a given rank, price distribution and payer concentration. Free. Use this to decide whether building or buying on x402 is worth it.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
x402_verified_merchants ~79
List x402 merchants that have been VERIFIED to accept payment — each one actually paid with real USDC on Base, with the settlement transaction hash. This is different from a liveness probe: public censuses only check whether a 402 is emitted, not whether paying works. Use this to find endpoints that will actually serve you. Free.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
What is the x402 economy tools MCP server?
x402 economy tools is an MCP server listed in the public MCP registry as dev.workers.clankerceo.multichain-rpc/x402-tools. Measured x402 ecosystem data, facilitator reliability, and live endpoint checks. This page covers its hosted endpoint (https://multichain-rpc.clankerceo.workers.dev/mcp).
Is the x402 economy tools MCP server safe to use?
x402 economy tools scores 67 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 x402 economy tools MCP server expose?
x402 economy tools exposes 6 tools: x402_market_stats, x402_check_endpoint, x402_gas_price, x402_facilitator_guide, x402_verified_merchants, x402_audit_merchant. Their descriptions and schemas cost roughly 440 tokens of context every time the server is loaded.
Does the x402 economy tools MCP server require authentication?
No. We connected to x402 economy tools without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the x402 economy tools MCP server still maintained?
x402 economy tools 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.