DataNexus MCP
by datanexusmcp.com in Onchain & crypto
Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.
https://datanexusmcp.com/mcp- Tools
- 55
- open to any client
- Uptime
- 100%
- last 30 days
- Response time
- 225 ms
- 301 ms slowest 5%
- Last check
- Passed
- 6 h ago, next in 26 min
Reliability
Status and outage history · Atom feed · Watch with other listings
How to connect
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"datanexus-mcp": {
"type": "http",
"url": "https://datanexusmcp.com/mcp"
}
}
}55 tools
- report_feedback
Report a data quality issue or agent intent gap for a DataNexus tool response. tool_id: e.g. "T10" or "security_fetch_cve_detail". query_hash: From the query_hash field of the response. signal: incorrect_data | missing_field | stale_data | not_useful | wrong_entity |…
- report_mcpize_link
Check MCPize subscription status for a DataNexus tool. tool_id: DataNexus tool identifier e.g. "T10". Pass the tool the user is asking about. Returns: status ("free" | "subscription_required" | "not_configured"), message, tool_id, and upgrade_url when subscription is required…
- validate_tool_output
Validate a DataNexus tool response for data quality issues using two-layer validation: deterministic rules first, then AI review for ambiguous cases. Read-only. Never blocks. tool_id: DataNexus tool identifier e.g. T04, T10, T22. Required. Find in the tool_id field of any…
- search_datanexus_tools
Find the right DataNexus tool by describing your task in plain English. Read-only. No side effects. Call this before any other DataNexus tool to reduce context load from 40000 to 800 tokens. query: Plain English description of your task e.g. check if a Python package has CVEs or…
- nonprofit_fetch_nonprofit_by_ein
Fetch IRS 990 filing data for any US nonprofit by EIN. Read-only. No side effects. Idempotent. US only. ein: 9-digit Employer ID with or without dash, e.g. 46-5734087 or 465734087. Required. Returns name, revenue, expenses, assets, NTEE code, and mission from the most recent 990…
- nonprofit_search_nonprofits_by_name
Search US nonprofits by name with optional state filter. Read-only. No side effects. Idempotent. US only. Returns up to 25 matches. name: Full or partial organisation name. Required. state: Two-letter US state code e.g. CA, NY. Optional, defaults to all states. Returns EIN…
- nonprofit_fetch_charity_uk
Fetch UK registered charity details by charity number or organisation name. Read-only. No side effects. Idempotent. UK only. charity_number_or_name: UK registered charity number (7 digits, e.g. 1234567) or full/partial organisation name. Required. Returns registration status…
- security_fetch_package_vulnerabilities
Fetch all known CVEs for an open source package version or a batch of packages. Read-only. No side effects. Idempotent. Single-package mode: package (e.g. requests), version (e.g. 2.28.0), ecosystem (PyPI/npm/Maven/Go/Cargo/NuGet/RubyGems). package_name is accepted as an alias…
- security_fetch_dependency_graph
Fetch the full dependency tree for a package version including transitive dependencies. Read-only. No side effects. Idempotent. Hard 8-second timeout — large dependency trees may return partial results. package: Package name. Required. version: Exact version string e.g. 1.2.3…
- security_fetch_cve_detail
Fetch full detail for a specific CVE by ID. Read-only. No side effects. Idempotent. cve_id: CVE identifier in format CVE-YYYY-NNNNN e.g. CVE-2021-44228. Required. Returns description, CVSS base score, affected products, patch references, and publish date. Use this when you have…
- security_audit_sbom_vulnerabilities
Audit a Software Bill of Materials for known vulnerabilities across all listed packages. Read-only. No side effects. Idempotent. sbom_json: CycloneDX or SPDX SBOM as a JSON string. Required. Large SBOMs (100+ packages) may take up to 10 seconds. Returns CVEs grouped by package…
- security_fetch_package_licence
Fetch the SPDX licence identifier for an open source package version. Read-only. No side effects. Idempotent. package: Package name e.g. flask. Required. version: Exact version string e.g. 2.3.0. Required. ecosystem: One of PyPI, npm, Maven, Go, Cargo, NuGet, RubyGems. Required…
- security_fetch_cisa_kev
Check whether a CVE is in the CISA Known Exploited Vulnerabilities (KEV) catalog. Read-only. No side effects. Idempotent. cve_id: CVE identifier in format CVE-YYYY-NNNNN e.g. CVE-2021-44228. Required. Returns in_kev (bool), date_added, due_date, ransomware_use, and notes from…
- security_fetch_cve_epss
EPSS exploit probability score for a CVE — predicts likelihood of exploitation in the next 30 days. cve_id: CVE identifier e.g. "CVE-2021-44228". Returns: epss (float 0.0–1.0) and percentile (float 0.0–100.0). Thresholds: >0.7 patch immediately, 0.3–0.7 patch soon, <0.3…
- compliance_fetch_npi_provider
Fetch NPI registration details for a US healthcare provider by NPI number. Read-only. No side effects. Idempotent. US only. npi_number: 10-digit NPI number e.g. 1003000126. Required. Do not include dashes or spaces. Returns provider name, credential type, speciality taxonomy…
- compliance_search_npi_by_name
Search the NPPES NPI Registry by provider name with optional state and speciality filters. Read-only. No side effects. Idempotent. US only. Returns up to 10 matches. name: Full or partial provider name. Required. state: Two-letter US state code e.g. CA. Optional. speciality…
- compliance_fetch_finra_broker
Fetch FINRA BrokerCheck registration for a US broker or investment adviser by CRD number. Read-only. No side effects. Idempotent. US only. crd_number: Central Registration Depository number as a string of digits e.g. 1234567. Required. CRD number only — name lookup is not…
- compliance_check_sam_exclusion
Check whether an entity is on the US federal exclusions list (debarred from government contracts). Read-only. No side effects. Idempotent. US only. name_or_ein: Entity name or 9-digit EIN with or without dash e.g. Acme Corp or 13-1234567. Required. Name match is fuzzy — verify…
- domain_fetch_domain_rdap
Fetch domain registration details via IANA RDAP (the modern structured replacement for WHOIS). Read-only. No side effects. Idempotent. domain: Domain name without protocol e.g. example.com not https://example.com. Required. Returns registrar, registration date, expiry date…
- domain_fetch_ssl_certificate_chain
Fetch SSL certificate history for a domain from Certificate Transparency logs. Read-only. No side effects. Idempotent. domain: Domain name without protocol e.g. github.com. Required. Does not support IP addresses or wildcard domains. Returns issuer, subject, validity period, and…
- domain_fetch_dns_records
Fetch current DNS records for a domain via Cloudflare DNS over HTTPS. Read-only. No side effects. Idempotent. domain: Domain name without protocol e.g. cloudflare.com. Required. record_types: List of DNS record types to fetch. Required. Valid values: A, AAAA, MX, TXT, NS, CNAME…
- domain_fetch_domain_history
Fetch historical SSL certificate issuance for a domain from Certificate Transparency logs. Read-only. No side effects. Idempotent. domain: Domain name without protocol e.g. example.com. Required. Returns all past certificates with issuer, validity dates, and SANs in reverse…
- domain_fetch_subdomains
Enumerate subdomains for a domain via Certificate Transparency logs. Read-only. No side effects. Idempotent. domain: Domain name without protocol e.g. anthropic.com. Required. Returns deduplicated list of known subdomains. Primary source: crt.sh Certificate Transparency (free)…
- domain_check_email_security
Check SPF, DMARC, and DKIM email authentication for a domain. domain: Domain without protocol e.g. "google.com". Returns: overall_grade (A–F), spf_score, dmarc_score, dkim_score (each 0–10), spf_record, dmarc_record, dkim_selectors_found. Scores reflect live DNS via Cloudflare…
- domain_fetch_reverse_ip
Find domains co-hosted on the same IP address (reverse IP lookup). Read-only. No side effects. Idempotent. domain_or_ip: Domain name (e.g. shared.dreamhost.com) or IPv4 address (e.g. 1.2.3.4). Required. If a domain is given, it is first resolved to its IPv4 A record. IPv6-only…
- legal_fetch_patent_by_number
Fetch full patent details by patent number and jurisdiction. Read-only. No side effects. Idempotent. patent_number: Patent number in EPODOC format e.g. EP1000000 for European, CN120586032 for Chinese, JP2020123456 for Japanese, WO2020123456 for PCT, US10000000 for US. Required…
- legal_search_patents_by_keyword
Search patents by keyword across EPO, USPTO, or WIPO. Read-only. No side effects. Idempotent. Returns up to 10 matches. keywords: Search terms describing the invention e.g. neural network image classification. Required. jurisdiction: One of EP, US, or WO. Optional. Default EP…
- legal_fetch_patent_citations
Fetch forward and backward citation chains for a specific patent. Read-only. No side effects. Idempotent. patent_number: Patent number in EPODOC format e.g. EP1000000 for European, CN120586032 for Chinese, JP2020123456 for Japanese, WO2020123456 for PCT, US10000000 for US…
- legal_fetch_inventor_portfolio
Fetch the patent portfolio for a named inventor with optional assignee filter. Read-only. No side effects. Idempotent. inventor_name: Inventor surname or full name e.g. Smith or John Smith. Required. Fuzzy match — common names may return many results. assignee: Company or…
- govcon_search_contract_awards
Search government contract awards by keyword, agency, and date range. keyword: Contract scope e.g. "cybersecurity software". agency: Awarding agency e.g. "Department of Defense". Optional. date_from: Earliest award date ISO 8601 e.g. "2024-01-31". Optional. jurisdiction: "US"…
- govcon_fetch_vendor_contract_history
Fetch the complete federal contract award history for a specific vendor. Read-only. No side effects. Idempotent. vendor_name: Company or organisation name e.g. Booz Allen Hamilton. Required. Fuzzy match used. jurisdiction: One of US, EU, or UK. Optional. Default US. Returns…
- govcon_fetch_open_solicitations
Fetch currently open government contract solicitations matching a keyword. Read-only. No side effects. Idempotent. keyword: Description of goods or services sought e.g. cloud computing services. Required. Encode special characters — + becomes %2B. agency: Awarding agency name…
- regulatory_search_open_rulemakings
Search open rulemakings and public comment periods on Regulations.gov and the Federal Register. Read-only. No side effects. Idempotent. US federal only. keyword: Topic keywords e.g. artificial intelligence, data privacy. Required. agency: Agency abbreviation e.g. FTC, FDA, SEC…
- regulatory_fetch_docket_details
Fetch full details for a specific regulatory docket by ID. Read-only. No side effects. Idempotent. US federal only. docket_id: Docket identifier in agency format e.g. EPA-HQ-OAR-2021-0317 or FTC-2024-0041. Required. Timeout is 30 seconds — large dockets may be slow. Returns…
- regulatory_fetch_federal_register_notices
Fetch recent Federal Register notices and rules for a specific agency. Read-only. No side effects. Idempotent. US federal only. agency: Agency name or abbreviation e.g. SEC, Food and Drug Administration, EPA. Required. keyword: Optional topic filter e.g. cryptocurrency…
- security_fetch_package_maintainer_history
Analyse ownership and release history for an npm or PyPI package to detect supply-chain risk. Uses PyPI JSON API and npm registry — data refreshed on each call, 1-hour cache. Returns maintainer_count, recent_changes, ownership_transfers, account_ages, anomaly_score (0.0–1.0)…
- security_fetch_package_risk_brief
Single SHIP/CAUTION/BLOCK verdict for any package. Combines CVEs, licence, maintainer health, and transitive count in one call. Uses OSV.dev, deps.dev, PyPI, and npm registry — data refreshed on each call. Returns verdict (SHIP/CAUTION/BLOCK), critical_cve_count, high_cve_count…
- security_detect_typosquatting
Detect typosquatting attacks against a package name. Compares using Damerau-Levenshtein distance ≤ 2 against top-10,000 packages. Returns similar_packages with anomaly scores, and a SUSPICIOUS or CLEAN verdict. Uses PyPI and npm download stats stored in Redis. Cold-start fetch…
- nonprofit_fetch_nonprofit_full_profile
Complete nonprofit due diligence in one call. Revenue trends, executive pay, risk flags, and a health score from IRS 990 data. Uses ProPublica Nonprofit Explorer API with IRS e-File fallback. Data refreshed on each call. Returns financials, executive_compensation, risk_flags…
- security_fetch_cve_watch
Persistent CVE watchlist. Create once, check anytime for new events since your last visit — patch releases, KEV listings, PoC publications, exploitation detected. Uses Redis for persistence, NVD + CISA KEV + EPSS for daily background refresh. Returns has_new_events, events…
Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 6 h ago | Passed | 200 | 248 ms |
| 16 h ago | Passed | 200 | 260 ms |
| 26 h ago | Passed | 200 | 301 ms |
| 36 h ago | Passed | 200 | 218 ms |
| 46 h ago | Passed | 200 | 223 ms |
Show 8 older checks
| 2 days ago | Passed | 200 | 225 ms |
| 3 days ago | Passed | 200 | 253 ms |
| 3 days ago | Passed | 200 | 222 ms |
| 3 days ago | Passed | 200 | 201 ms |
| 4 days ago | Passed | 200 | 244 ms |
| 4 days ago | Passed | 200 | 224 ms |
| 5 days ago | Passed | 200 | 194 ms |
| 5 days ago | Passed | 200 | 239 ms |