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Bulk B2B Email Verifier — DNS MX, Disposable & Catch-All Check

by io.github.ceadigital
OverviewDiscussionsAdmin

Server Details

Bulk verify B2B emails via Cloudflare DNS MX, SPF/DMARC, disposable check & 0-99 catch-all score.

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Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-03-26
URL
ChatGPT
–
Claude
–

TDQS

C2.6/5.0

Scored across 28 tools

Disambiguation2/5

Several tools have near-identical purposes: agent_url_to_clean_markdown and agent_clean_web_grounding both fetch a URL and return clean Markdown, and security_cve_audit, cyber_supply_chain_security_dossier, depsdev_openssf_scorecard, epss_exploit_score and cisa_kev_exploited_vulns all orbit vulnerability scoring with unclear boundaries. The remaining tools mostly map to distinct data sources, but an agent must read long marketing prose to tell which composite dossier to use versus its constituent single-source lookup.

Naming Consistency3/5

Everything is snake_case, which is good, but there is no consistent verb_noun contract: some are bare noun phrases (fdic_bank_health, usaspending_awards, cisa_kev_exploited_vulns), some embed redundant domain prefixes (agent_*, corporate_kyb_and_risk_dossier), and only two use real verbs (provision_free_developer_key, submit_feedback_or_rate_quote). It is readable but the pattern is ad hoc.

Tool Count2/5

28 tools is heavy, and worse, the title promises a bulk B2B email verifier while the surface contains zero email verification tools. The set is an unrelated grab bag of crypto, security, government-data and SEO utilities, so no coherent scope justifies this count.

Completeness1/5

For the stated domain — bulk email verification with DNS MX, disposable-domain and catch-all checks — there is no MX lookup, no SMTP probe, no disposable list, and no bulk/batch operation at all: the surface completely misses its advertised purpose. As a general data-lookup toolkit it also has no lifecycle operations (no create/update/delete), only read-only queries plus a key mint and feedback form.

Available Tools

28 tools
agent_base_tx_simulateA
Read-only
Inspect

High-velocity Agent Operational Primitive ($0.005 USDC on Base): Pre-execution Base L2 (eip155:8453) calldata simulator & wallet drain guard via eth_call + eth_estimateGas + unlimited ERC-20 approve detection.

Inputs: to_address (required), data, value_wei, from_address.

agent_clean_web_groundingB
Read-only
Inspect

High-velocity Agent Operational Primitive ($0.008 USDC on Base): Fast, token-optimized real-time web grounding & clean Markdown synthesis stripped of HTML bloat, ads, and scripts for LLM context windows.

Inputs: query (required), limit.

agent_compliance_notary_attestC
Read-only
Inspect

Tamper-evident SHA-256 hash-chained Agent Decision & Compliance Notary for EU AI Act, NIST AI RMF, and SOC2 autonomous agent audit trails.

Inputs: summary (required), agent_id, action_type, payload_sha256.

agent_token_intel_and_honeypotB
Read-only
Inspect

High-velocity Agent Operational Primitive ($0.005 USDC on Base): Real-time DEX pool liquidity, 24h volume, buy/sell execution symmetry, Base bytecode check, and deterministic 0-100 Honeypot & Anti-Rug Safety Score.

Inputs: token_address (required), chain.

agent_url_to_clean_markdownB
Read-only
Inspect

High-velocity Agent Operational Primitive ($0.005 USDC on Base): Live URL-to-Clean-Markdown extractor competing with Firecrawl/Jina. Fetches any public URL via SSRF-safe HTTP + LegalTDMGuard and returns clean, prompt-injection-scrubbed Markdown.

Inputs: url (required), max_chars.

cfpb_complaintsC
Read-only
Inspect

Query US Consumer Financial Protection Bureau (CFPB) complaint database (17 U.S.C. § 105 public domain).

Inputs: company (required).

cisa_kev_exploited_vulnsA
Read-only
Inspect

Query US CISA Known Exploited Vulnerabilities (KEV) Catalog for active in-the-wild exploitation, mandatory federal patch due dates, and ransomware usage.

Inputs: cve, limit, vendor.

corporate_kyb_and_risk_dossierA
Read-only
Inspect

5-Source Parallel Composite Dossier: Joins GLEIF LEI + SEC EDGAR + CFPB Complaints + USASpending Federal Awards + FDIC in <400ms with a 0-100 Counterparty Verification Score.

Inputs: company_name (required), ticker.

crtsh_cert_reconB
Read-only
Inspect

Query Sectigo Certificate Transparency logs (crt.sh) for issued SSL/TLS certificates and subdomains.

Inputs: domain (required).

cyber_supply_chain_security_dossierB
Read-only
Inspect

5-Source Parallel Security Dossier: Joins crt.sh SSL Certs + Google deps.dev OpenSSF Scorecard + FIRST.org EPSS + CISA KEV + OSV.dev CVEs in <400ms with a 0-100 Security Posture Score.

Inputs: cve, domain, package, ecosystem, +1 more.

depsdev_openssf_scorecardB
Read-only
Inspect

Query Google Open Source Insights (deps.dev) and Linux Foundation OpenSSF Security Scorecard (0-10) for any GitHub repository or package (#1 in MCP Registry).

Inputs: package, ecosystem, github_repo.

dexscreener_token_auditB
Read-only
Inspect

Real-time DEX liquidity, price, pair volume, and market cap analytics via DexScreener.

Inputs: query, chain_id, token_address.

epss_exploit_scoreB
Read-only
Inspect

Query FIRST.org Exploit Prediction Scoring System (EPSS) for 30-day real-world exploit probability.

Inputs: cve (required).

fdic_bank_healthB
Read-only
Inspect

Factual public supervisory bank health and branch metrics compiled from FDIC under 12 CFR Part 328.

Inputs: cert, name, limit.

gcp_catalog_searchA
Read-only
Inspect

Sub-millisecond FTS5 search across 17,671 Google Cloud, Vertex AI, and A2A service records.

Inputs: query (required), limit.

github_repo_pulseA
Read-only
Inspect

Extract repository activity pulse (stars, forks, open issues, license, last push) with ETag caching.

Inputs: repo (required), owner (required).

gleif_lei_kybB
Read-only
Inspect

Query Global Legal Entity Identifier Foundation (GLEIF) registry for corporate KYB and LEI records.

Inputs: name (required).

npi_medical_registryA
Read-only
Inspect

CMS NPPES NPI Registry lookup for healthcare organizations and facilities (NPI-2 only, HIPAA safe harbor).

Inputs: city, limit, state, number, +2 more.

nyfed_sofr_reference_ratesB
Read-only
Inspect

Query Federal Reserve Bank of New York official Secured Overnight Financing Rate (SOFR) benchmark rates, percentiles, and daily repo volume (#1 in MCP Registry).

Inputs: limit.

openalex_citation_graphC
Read-only
Inspect

Academic citation graph metadata and scholarly network metrics from OpenAlex (CC0).

Inputs: doi, limit, query, work_id.

package_health_pulseC
Read-only
Inspect

Parallel health pulse inspection across NPM and PyPI ecosystems.

Inputs: package_name (required).

provision_free_developer_keyB
Read-only
Inspect

FREE Self-Serve API Key Generator: Instantly mints a 50-call free starter cea_live_ Bearer token with copy-paste snippets for Claude Desktop, Cursor, Windsurf, ElizaOS, and Coinbase AgentKit.

Inputs: contact, framework, agent_name.

sec_edgar_cik_lookupC
Read-only
Inspect

SEC EDGAR company submission facts, quarterly filings, and CIK lookup under Lowe v. SEC Publisher's Exclusion.

Inputs: cik, ticker.

security_cve_auditB
Read-only
Inspect

Audit package vulnerabilities and CVE advisories via OSV.dev database.

Inputs: package (required), version, ecosystem.

submit_feedback_or_rate_quoteB
Read-only
Inspect

Free interactive MCP feedback, feature requests, and custom rate quote negotiation (alias: submit_mcp_feedback_or_request).

Inputs: message (required), rating, category, mcp_target, +3 more.

usaspending_awardsC
Read-only
Inspect

Query USASpending.gov Federal Awards and Contractor Intelligence (17 U.S.C. § 105 public domain).

Inputs: recipient (required).

usgs_seismic_hazardC
Read-only
Inspect

Seismic activity and earthquake risk profiles from USGS GeoJSON services.

Inputs: limit, endtime, latitude, longitude, +3 more.

vault_knowledge_searchB
Read-only
Inspect

FTS5 search across 36,628 video transcript chunks and 106,308 knowledge graph triples in vault.db.

Inputs: query (required), limit.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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