Checkpoint402
REMOTE · API.CHECKPOINT402.COM
Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base).
Available components
Last scanned (22 hours ago)
Scores higher than 79% of remote servers
Reachable. Last reached 4 Nov 2026.
Category Crypto and Web3
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 Security74
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- 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 Usability62
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 1634 tokens (~233/item across 7 items; 7 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management73
- Stability observed for 22 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 7 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
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.
- 3 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes.
- 1 Nov 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.
- 30 Oct 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.
- 28 Oct 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.
- 26 Oct 26 +1
- The server rewrote its instructions, which are the text every model session reads security
- Schema quality: 1393 → 1634 ▼ functional
- New tool “token_safety_check” functional
- 24 Oct 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.
- 21 Oct 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.
- 19 Oct 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.
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 4 Nov 2026 · Probed https://api.checkpoint402.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=api.checkpoint402.com | CN=YE2,O=Let's Encrypt,C=US | 13 Oct 2026 | 11 Jan 2027 | ECDSA 256 | ECDSA-SHA384 | 6ab750f91115e8e7284d7ce8b00c42178df |
| SANs: api.checkpoint402.com | ||||||
| CN=YE2,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 4df3b15dd6c0784c507cd37b58e6f115 |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of api.checkpoint402.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| checkpoint402.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 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://api.checkpoint402.com/mcp | Verified | 200 | |
| http (plaintext) | http://api.checkpoint402.com/mcp | HTTPS enforced | 301 | https://api.checkpoint402.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 →
explain_transaction Transaction Explainer ($0.03) ~96
Paid: $0.03 USDC per successful call via x402 (not charged on errors). Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data.
| Name | Type | Req | Description |
|---|---|---|---|
| chain | string | – | Chain (default base) |
| hash | string | yes | Transaction hash (0x + 64 hex chars) |
No output schema declared.
No examples provided.
find_defi_yields Best DeFi Yield Finder ($0.05) ~200
Paid: $0.05 USDC per successful call via x402 (not charged on errors). Top DeFi yields across 16k+ pools, filtered by asset, chain, minimum TVL and risk, each with a simple explained risk tier (outlier APY, thin TVL, reward-heavy, IL exposure). Data: DefiLlama.
| Name | Type | Req | Description |
|---|---|---|---|
| asset | string | – | Token symbol, e.g. USDC, ETH |
| chain | string | – | Chain name, e.g. Base, Ethereum, Arbitrum |
| limit | number | – | Results, 1-50 (default 10) |
| maxRisk | string | – | Highest risk tier to include (default medium; use high to include outlier APYs) |
| minTvlUsd | number | – | Minimum pool TVL in USD (default 1,000,000) |
| stablecoinOnly | boolean | – | Only stablecoin pools |
No output schema declared.
No examples provided.
list_services List Checkpoint402 services (free) ~31
Free. Lists every Checkpoint402 data service with its price, inputs, example output link and how payment works.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
new_token_safety_feed New Token Launch Feed ($0.10) ~140
Paid: $0.10 USDC per successful call via x402 (not charged on errors). Newly launched token pools on Base, Ethereum or BSC, each with a 0-100 safety score and explicit red flags (honeypot, unverified code, mintable, owner powers, high tax, unlocked liquidity, whale concentration). Data: GeckoTerminal + GoPlus.
| Name | Type | Req | Description |
|---|---|---|---|
| chain | string | – | Chain (default base) |
| limit | number | – | Results, 1-20 (default 10) |
| minScore | number | – | Only tokens with safety score >= this, 0-100 (default 0) |
No output schema declared.
No examples provided.
ofac_sanctions_screen OFAC Sanctions Screening ($0.05) ~150
Paid: $0.05 USDC per successful call via x402 (not charged on errors). Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | – | Crypto wallet address (EVM, BTC, TRX, …) |
| limit | number | – | Max name candidates, 1-20 (default 5) |
| name | string | – | Person or company name |
| threshold | number | – | Name-match threshold 0.7-1 (default 0.92) |
No output schema declared.
No examples provided.
sec_8k_company_events Breaking Company Events (SEC 8-K) ($0.10) ~161
Paid: $0.10 USDC per successful call via x402 (not charged on errors). Latest SEC 8-K filings — market-wide within minutes of filing, or for one ticker — with each item code translated to plain English, high-impact events flagged (earnings, CEO changes, M&A, bankruptcy, cyber incidents) and AI summaries of the filing text.
| Name | Type | Req | Description |
|---|---|---|---|
| highImpactOnly | boolean | – | Only filings with a high-impact item |
| item | string | – | Only filings with this 8-K item code, e.g. 5.02 |
| limit | number | – | Results, 1-20 (default 10) |
| ticker | string | – | Stock ticker; omit for the market-wide latest feed |
No output schema declared.
No examples provided.
token_safety_check Token Safety Check ($0.02) ~132
Paid: $0.02 USDC per successful call via x402 (not charged on errors). Is this token a scam? Checks any token on Base, Ethereum or BSC and returns a 0-100 safety score, a verdict, red flags (honeypot, hidden fees, owner powers, unlocked liquidity, whale concentration, creator's past honeypots), good signs and a plain-English summary. Data: GoPlus + DexScreener.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | Token contract address (0x + 40 hex chars) |
| chain | string | – | Chain (default base) |
No output schema declared.
No examples provided.
How do I install the Checkpoint402 MCP server?
Checkpoint402 is a hosted endpoint at https://api.checkpoint402.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 · api.checkpoint402.com
claude mcp add --transport http com-checkpoint402-checkpoint402 'https://api.checkpoint402.com/mcp'
What is the Checkpoint402 MCP server?
Checkpoint402 is an MCP server listed in the public MCP registry as com.checkpoint402/checkpoint402. Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base). This page covers its hosted endpoint (https://api.checkpoint402.com/mcp).
Is the Checkpoint402 MCP server safe to use?
Checkpoint402 scores 79 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 Checkpoint402 MCP server expose?
Checkpoint402 exposes 7 tools: list_services, explain_transaction, find_defi_yields, new_token_safety_feed, token_safety_check, and 2 more. Their descriptions and schemas cost roughly 910 tokens of context every time the server is loaded.
Does the Checkpoint402 MCP server require authentication?
No. We connected to Checkpoint402 without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Checkpoint402 MCP server still maintained?
Checkpoint402 is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.