Dev tools MCP servers

14901 servers, 13041 answering our latest check. Online first.

Nationalize

Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)
gateway.pipeworx.io/nationalize/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PI: IPVA

SEFAZ PI: IPVA, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pi_ipva
● Online, checked 80 min ago

by mcp-dir (GitHub)

SVG path command count, markup discarded

SVG path command count, markup discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/svg-path-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Nass

NASS MCP — USDA National Agricultural Statistics Service (Quick Stats)
gateway.pipeworx.io/nass/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PI: Solicitar Certidão Negativa da Dívida Ativa (CNDA)

SEFAZ PI: Solicitar Certificate Negativa da Dívida Ativa (CNDA), official-source lookup. Platform-ho
api.mcp.ai/p_sefaz_pi_cnda
● Online, checked 80 min ago

by mcp-dir (GitHub)

at-handle charset, value discarded

at-handle charset, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/handle-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Nasa Gibs

NASA GIBS MCP — the satellite-imagery layer catalogue behind Worldview.
gateway.pipeworx.io/nasa-gibs/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PI: Solicitar Certidão Negativa de Débitos

SEFAZ PI: Solicitar Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per
api.mcp.ai/p_sefaz_pi_certidao_debitos
● Online, checked 80 min ago

by mcp-dir (GitHub)

UTF-16 BOM/length band, value discarded

UTF-16 BOM/length band, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/utf16-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Nasa Firms

NASA FIRMS MCP — active-fire / thermal-anomaly detections from MODIS and VIIRS.
gateway.pipeworx.io/nasa-firms/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PE: NFC-e

SEFAZ PE: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pe_nfce
● Online, checked 80 min ago

by mcp-dir (GitHub)

UPPERCASE charset, value discarded

UPPERCASE charset, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/upper-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Nasa Ads

NASA ADS — the Astrophysics Data System, api.adsabs.harvard.edu.
gateway.pipeworx.io/nasa-ads/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PE: Dívida Ativa

SEFAZ PE: Dívida Ativa, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pe_divida_ativa
● Online, checked 80 min ago

by mcp-dir (GitHub)

UTC Monday of the current ISO week

UTC Monday of the current ISO week
agent-observatory-sensor.nolimit-observatory.workers.dev/s/week-mon/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Nansen

Nansen Smart Money MCP — on-chain smart-money labels & flows (nansen.ai)
gateway.pipeworx.io/nansen/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PE DEC: Caixa Postal

SEFAZ PE DEC: Caixa Postal, official-source lookup. Platform-hosted, pay per query with prepaid cred
api.mcp.ai/p_sefaz_pe_dec_caixa_postal
● Online, checked 80 min ago

by mcp-dir (GitHub)

Unix month 1-12 from seconds

Unix month 1-12 from seconds
agent-observatory-sensor.nolimit-observatory.workers.dev/s/unix-mon/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Naag

State attorney-general multistate enforcement, from the National Association
gateway.pipeworx.io/naag/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PE: Certidão de Regularidade Fiscal (Móvel)

SEFAZ PE: Certificate de Regularidade Fiscal (Móvel), official-source lookup. Platform-hosted, pay p
api.mcp.ai/p_sefaz_pe_crf_movel
● Online, checked 80 min ago

by mcp-dir (GitHub)

Unix seconds to ISO date, number discarded

Unix seconds to ISO date, number discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/unix-iso/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

N2yo

N2YO MCP — wraps the N2YO Satellite Tracking REST API (n2yo.com)
gateway.pipeworx.io/n2yo/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PE: Certidão de Regularidade Fiscal

SEFAZ PE: Certificate de Regularidade Fiscal, official-source lookup. Platform-hosted, pay per query
api.mcp.ai/p_sefaz_pe_crf
● Online, checked 80 min ago

by mcp-dir (GitHub)

argon2id encoded hash shape, value discarded

argon2id encoded hash shape, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/argon2id-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Myhealthfinder

MyHealthfinder MCP — U.S. preventive-services & health-screening guidance
gateway.pipeworx.io/myhealthfinder/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PE: Certidão Negativa de Débitos

SEFAZ PE: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per query with
api.mcp.ai/p_sefaz_pe_certidao_debitos
● Online, checked 80 min ago

by mcp-dir (GitHub)

XXH128 hex length, input discarded

XXH128 hex length, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/xxh128-len/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Musicbrainz

MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)
gateway.pipeworx.io/musicbrainz/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PB: NFC-e

SEFAZ PB: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pb_nfce
● Online, checked 80 min ago

by mcp-dir (GitHub)

SHA-512 hex length, input discarded

SHA-512 hex length, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/sha512-len/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Mozilla Observatory

MDN HTTP Observatory — grade any website's HTTP security headers and get the specific fixes, from…
gateway.pipeworx.io/mozilla-observatory/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PB: IPVA

SEFAZ PB: IPVA, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pb_ipva
● Online, checked 80 min ago

by mcp-dir (GitHub)

Refresh seconds;url shape, value discarded

Refresh seconds;url shape, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/refresh-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Movies

Movies MCP — wraps iTunes Search API (movies, free, no auth) and TVmaze API (TV shows, free, no…
gateway.pipeworx.io/movies/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PB: Emissão Dar

SEFAZ PB: Issuance Dar, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pb_emissao_dar
● Online, checked 80 min ago

by mcp-dir (GitHub)

Proxy-Authenticate scheme token, value discarded

Proxy-Authenticate scheme token, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Mondo

Mondo — condition-string resolver onto the Mondo Disease Ontology.
gateway.pipeworx.io/mondo/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PB: Certidão Negativa de Débitos

SEFAZ PB: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per query with
api.mcp.ai/p_sefaz_pb_certidao_debitos
● Online, checked 80 min ago

by mcp-dir (GitHub)

Last-Modified HTTP-date shape, value discarded

Last-Modified HTTP-date shape, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/lastmod-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Monday

Monday.com MCP — wraps the Monday.com GraphQL API (BYO API key)
gateway.pipeworx.io/monday/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PA: NFC-e

SEFAZ PA: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pa_nfce
● Online, checked 80 min ago

by mcp-dir (GitHub)

TypeID prefix_suffix, value discarded

TypeID prefix_suffix, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/typeid-ok2/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Mobility Database

MobilityData's open catalogue of public-transport feeds — ~4,500 GTFS schedule feeds and ~1,900…
gateway.pipeworx.io/mobility-database/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PA: IPVA

SEFAZ PA: IPVA, official-source lookup. Platform-hosted, pay per query with prepaid credit.
api.mcp.ai/p_sefaz_pa_ipva
● Online, checked 80 min ago

by mcp-dir (GitHub)

shortid charset, value discarded

shortid charset, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/shortid-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Mixpanel

Mixpanel MCP — wraps Mixpanel Data Export API (mixpanel.com/api)
gateway.pipeworx.io/mixpanel/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PA DEC: Caixa Postal

SEFAZ PA DEC: Caixa Postal, official-source lookup. Platform-hosted, pay per query with prepaid cred
api.mcp.ai/p_sefaz_pa_dec_caixa_postal
● Online, checked 80 min ago

by mcp-dir (GitHub)

Firebase push-id 20-char, value discarded

Firebase push-id 20-char, value discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/pushid-ok2/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Miso

Real-time electricity data for MISO, the grid operator for 15 US states from Louisiana to…
gateway.pipeworx.io/miso/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ PA: Certidão Negativa de Débitos

SEFAZ PA: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per query with
api.mcp.ai/p_sefaz_pa_certidao_debitos
● Online, checked 80 min ago

by mcp-dir (GitHub)

Kilohertz to megahertz, number discarded

Kilohertz to megahertz, number discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/khz-mhz/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Microlink

Microlink MCP — wraps Microlink API (free tier, no auth required)
gateway.pipeworx.io/microlink/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ: NFC-e (Unificada)

SEFAZ: NFC-e (Unificada), official-source lookup. Platform-hosted, pay per query with prepaid credit
api.mcp.ai/p_sefaz_nfce
● Online, checked 80 min ago

by mcp-dir (GitHub)

US fluid ounces to milliliters, number discarded

US fluid ounces to milliliters, number discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/floz-ml/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Mhw

MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth)
gateway.pipeworx.io/mhw/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ MT: Reimpressão de Certidão Negativa de Débitos

SEFAZ MT: Reimpressão de Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay
api.mcp.ai/p_sefaz_mt_reimpressao_cnd
● Online, checked 80 min ago

by mcp-dir (GitHub)

Bar to atmospheres, number discarded

Bar to atmospheres, number discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/bar-atm/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

Mhra Uk

MHRA (UK Medicines and Healthcare products Regulatory Agency) — the public
gateway.pipeworx.io/mhra-uk/mcp
● Online, checked 79 min ago

by pipeworx-io (GitHub)

SEFAZ MT: Primeiro Emplacamento

SEFAZ MT: Primeiro Emplacamento, official-source lookup. Platform-hosted, pay per query with prepaid
api.mcp.ai/p_sefaz_mt_primeiro_emplacamento
● Online, checked 80 min ago

by mcp-dir (GitHub)

CSS escape sequence count, input discarded

CSS escape sequence count, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cssesc-ok/mcp
● Online, checked 79 min ago

by sadri-dridi (GitHub)

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