Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
36,138 servers
Showing 12,049–12,096 of 36,138 servers
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Ascii85 length, input discarded
streamable-httpio.github.sadri-dridi/base85-ok
Ascii85 length, input discarded
official 31 tools -
RSS feed shape, body discarded
streamable-httpio.github.sadri-dridi/rss-ok
RSS feed shape, body discarded
official 31 tools -
DOI 10. prefix shape, id discarded
streamable-httpio.github.sadri-dridi/doi-ok
DOI 10. prefix shape, id discarded
official 31 tools -
BIC/SWIFT shape, value discarded
streamable-httpio.github.sadri-dridi/bic-ok
BIC/SWIFT shape, value discarded
official 31 tools -
KooLink URL Shortener
streamable-httpink.kool/url-shortener
Shorten any long URL into a clean kool.ink link. Free, unlimited, no signup. AI-agent ready.
official -
Public suffix count
streamable-httpio.github.sadri-dridi/public-suffix
Public suffix count
official 31 tools -
host:port shape, value discarded
streamable-httpio.github.sadri-dridi/host-port-ok
host:port shape, value discarded
official 31 tools -
POST is allowed on MCP
streamable-httpio.github.sadri-dridi/method-post
POST is allowed on MCP
official 31 tools -
Hostname label count
streamable-httpio.github.sadri-dridi/host-labels
Hostname label count
official 31 tools -
Safe header name check
streamable-httpio.github.sadri-dridi/header-safe
Safe header name check
official 31 tools -
JSON Lines row count, body discarded
streamable-httpio.github.sadri-dridi/json-lines-ok
JSON Lines row count, body discarded
official 31 tools -
Sentence count, text discarded
streamable-httpio.github.sadri-dridi/sentence-count
Sentence count, text discarded
official 31 tools -
Nil UUID constant
streamable-httpio.github.sadri-dridi/uuid-nil
Nil UUID constant
official 31 tools -
UTC ISO time only
streamable-httpio.github.sadri-dridi/iso-time-utc
UTC ISO time only
official 31 tools -
UTC day of year
streamable-httpio.github.sadri-dridi/doy-utc
UTC day of year
official 31 tools -
Adler-32 hex, input discarded
streamable-httpio.github.sadri-dridi/adler32-ok
Adler-32 hex, input discarded
official 31 tools -
Fresh cache hint
streamable-httpio.github.sadri-dridi/cache-fresh
Fresh cache hint
official 31 tools -
GET is allowed
streamable-httpio.github.sadri-dridi/method-get
GET is allowed
official 31 tools -
Email hostname only, address discarded
streamable-httpio.github.sadri-dridi/email-host
Email hostname only, address discarded
official 31 tools -
ULID character length
streamable-httpio.github.sadri-dridi/ulid-len
ULID character length
official 31 tools -
Knots to km/h
streamable-httpio.github.sadri-dridi/knot-to-kmh
Knots to km/h
official 31 tools -
PSI to kilopascals
streamable-httpio.github.sadri-dridi/psi-to-kpa
PSI to kilopascals
official 31 tools -
Yards to meters
streamable-httpio.github.sadri-dridi/yd-to-m
Yards to meters
official 31 tools -
Percent-decode length, input discarded
streamable-httpio.github.sadri-dridi/percent-decode-len
Percent-decode length, input discarded
official 31 tools -
Base58 alphabet check, input discarded
streamable-httpio.github.sadri-dridi/base58-ok
Base58 alphabet check, input discarded
official 31 tools -
dotenv key count, values discarded
streamable-httpio.github.sadri-dridi/dotenv-keys
dotenv key count, values discarded
official 31 tools -
NDJSON shape check, body discarded
streamable-httpio.github.sadri-dridi/ndjson-ok
NDJSON shape check, body discarded
official 31 tools -
INI section count, body discarded
streamable-httpio.github.sadri-dridi/ini-ok
INI section count, body discarded
official 31 tools -
PyAI Voice AI
streamable-httpio.github.atomsai/pyai
Speech, transcription, voice agents, Trace, Recap, dubbing and narration with browser OAuth.
official -
nav substrate
stdioio.github.wchampe/nav-substrate
Relativistic navigation calcs for agents: time dilation, trip planning, chronometry, gamma.
official 3 secrets -
ac jobs
stdioio.github.wchampe/ac-jobs
Admission gate for AI agents: submit a step, get admit/hold/reject vs your constitution.
official 2 secrets -
LandLens rental records
streamable-httpcom.getlandlens/landlens
Owner of record, code violations, evictions and tenant reviews for US college-town rentals.
official 4 tools -
Asia/Thimphu clock
streamable-httpio.github.sadri-dridi/tz-asia-thimphu
Current local time in Asia/Thimphu.
official 31 tools -
Asia/Tbilisi clock
streamable-httpio.github.sadri-dridi/tz-asia-tbilisi
Current local time in Asia/Tbilisi.
official 31 tools -
Asia/Nicosia clock
streamable-httpio.github.sadri-dridi/tz-asia-nicosia
Current local time in Asia/Nicosia.
official 31 tools -
Port 6379
streamable-httpio.github.sadri-dridi/port-6379
Whether 6379 is a common TCP/UDP port.
official 31 tools -
Port 5432
streamable-httpio.github.sadri-dridi/port-5432
Whether 5432 is a common TCP/UDP port.
official 31 tools -
Port 3306
streamable-httpio.github.sadri-dridi/port-3306
Whether 3306 is a common TCP/UDP port.
official 31 tools -
MIME yaml
streamable-httpio.github.sadri-dridi/mime-yaml
Public MIME token for yaml.
official 31 tools -
MIME webp
streamable-httpio.github.sadri-dridi/mime-webp
Public MIME token for webp.
official 31 tools -
MIME webm
streamable-httpio.github.sadri-dridi/mime-webm
Public MIME token for webm.
official 31 tools -
MIME toml
streamable-httpio.github.sadri-dridi/mime-toml
Public MIME token for toml.
official 31 tools -
MIME jpeg
streamable-httpio.github.sadri-dridi/mime-jpeg
Public MIME token for jpeg.
official 31 tools -
Port 995
streamable-httpio.github.sadri-dridi/port-995
Whether 995 is a common TCP/UDP port.
official 31 tools -
Port 993
streamable-httpio.github.sadri-dridi/port-993
Whether 993 is a common TCP/UDP port.
official 31 tools -
Port 587
streamable-httpio.github.sadri-dridi/port-587
Whether 587 is a common TCP/UDP port.
official 31 tools -
Port 465
streamable-httpio.github.sadri-dridi/port-465
Whether 465 is a common TCP/UDP port.
official 31 tools -
Port 143
streamable-httpio.github.sadri-dridi/port-143
Whether 143 is a common TCP/UDP port.
official 31 tools
Search this catalogue from your agent
The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.
claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp