Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
21,807 matching
Showing 7,249–7,296 of 21,807 servers
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PEM fence check, key discarded
streamable-httpio.github.sadri-dridi/pem-ok
PEM fence check, key discarded
official 30 tools -
WAV RIFF check, file discarded
streamable-httpio.github.sadri-dridi/wav-magic
WAV RIFF check, file discarded
official 30 tools -
MP3 frame sync check, file discarded
streamable-httpio.github.sadri-dridi/mp3-magic
MP3 frame sync check, file discarded
official 30 tools -
ICO magic-byte check, file discarded
streamable-httpio.github.sadri-dridi/ico-magic
ICO magic-byte check, file discarded
official 30 tools -
Cronus UI
streamable-httpio.github.pedrogbraz/cronus-ui
Search, install, compose, add-page, and theme Cronus UI from the live registry.
official 8 tools 3 secrets -
API Status Check
streamable-httpio.github.shibley/apistatuscheck
Live status probes plus published uptime and incident history for 280+ APIs and cloud services.
official 8 tools -
AimRank
streamable-httpio.aimrank/aimrank
Read public pairwise-preference rankings and their statistical quality evidence. No API key.
official 21 tools -
Pascal 3D Editor
streamable-httpio.github.pascalorg/editor
Create, inspect, validate, and save editable 3D building scenes with Pascal's hosted MCP server.
official -
Rust Crate Release Tracker — new cargo packages from crates.io (cratewatch)
streamable-httpcom.a2awire/data-rust-crate-release-cargo-package
New Rust crates & cargo package releases. $0.01/query. Register in-session — free testnet funds.
official 16 tools -
Pulsar
streamable-httplive.pulsarsignal/pulsar
A public stage for AI agents to express a personality, play, meet and remember shared moments.
official -
Preuve AI Market Research
streamable-httpai.preuve/mcp
Market research and competitive intelligence for startup ideas - every finding source-linked.
official -
savvly
streamable-httpcom.savvly/savvly
Savvly MCP: query fund data, model projections, and compare against alternative retirement products.
official 8 tools -
Hunter-Seeker
streamable-httpio.hunter-seeker/hunter-seeker
The decision layer for AI agents: act, escalate or refuse, and every decision comes back signed.
official -
FlygKollen — Swedish Flight Tracking
streamable-httpio.github.jannegpriv/flygkollen
Swedish flight tracking: live status, gates, airport boards, nearby-aircraft ADS-B scan.
official -
42min
streamable-httpus.42min/meetings
Scheduling for AI assistants: bookings, availability, meeting polls and routing forms.
official -
402Signal
streamable-httpio.github.402signalhq/402signal
Check paid API offers before your agent spends. Qualifying routes: $0.003 USDC. Normal misses: free.
official 3 tools -
Whether an HTTP status is retryable
streamable-httpio.github.sadri-dridi/retry-status-hint
Whether an HTTP status is retryable
official 31 tools -
GoBuy Product Trust
streamable-httpio.github.digitalmentes7-maker/gobuy-product-trust
Marketplace-evidence trust scores for AI agents: a 0-100 Evidence Score with signal breakdown.
official 2 tools -
HTTP status class 1xx-5xx
streamable-httpio.github.sadri-dridi/status-class-ok
HTTP status class 1xx-5xx
official 31 tools -
Redirect hop count band 0-5
streamable-httpio.github.sadri-dridi/redirect-hop-ok
Redirect hop count band 0-5
official 31 tools -
Shebang interpreter token, line discarded
streamable-httpio.github.sadri-dridi/shebang-ok
Shebang interpreter token, line discarded
official 31 tools -
LF vs CRLF vs CR, text discarded
streamable-httpio.github.sadri-dridi/newline-kind
LF vs CRLF vs CR, text discarded
official 31 tools -
Tabs vs spaces indent, text discarded
streamable-httpio.github.sadri-dridi/indent-kind
Tabs vs spaces indent, text discarded
official 31 tools -
Whether text contains an emoji, text discarded
streamable-httpio.github.sadri-dridi/emoji-ok
Whether text contains an emoji, text discarded
official 31 tools -
UTC ISO week-date
streamable-httpio.github.sadri-dridi/iso-week-date
UTC ISO week-date
official 31 tools -
SHA-512 hex length, input discarded
streamable-httpio.github.sadri-dridi/sha512-ok
SHA-512 hex length, input discarded
official 31 tools -
BLAKE3 hex length, input discarded
streamable-httpio.github.sadri-dridi/blake3-ok
BLAKE3 hex length, input discarded
official 31 tools -
SHA-3 hex length, input discarded
streamable-httpio.github.sadri-dridi/sha3-ok
SHA-3 hex length, input discarded
official 31 tools -
IPFS CID charset, value discarded
streamable-httpio.github.sadri-dridi/ipfs-cid-ok
IPFS CID charset, value discarded
official 31 tools -
data: URI media-type only, payload discarded
streamable-httpio.github.sadri-dridi/data-uri-ok
data: URI media-type only, payload discarded
official 31 tools -
mailto: shape, address discarded
streamable-httpio.github.sadri-dridi/mailto-ok
mailto: shape, address discarded
official 31 tools -
Base64 padding shape, input discarded
streamable-httpio.github.sadri-dridi/base64-pad-ok
Base64 padding shape, input discarded
official 31 tools -
SemVer range operators, value discarded
streamable-httpio.github.sadri-dridi/semver-range-ok
SemVer range operators, value discarded
official 31 tools -
SPDX license expression tokens, value discarded
streamable-httpio.github.sadri-dridi/spdx-expr-ok
SPDX license expression tokens, value discarded
official 31 tools -
Six-field cron shape
streamable-httpio.github.sadri-dridi/cron-six-ok
Six-field cron shape
official 31 tools -
Decimal-place count for a number
streamable-httpio.github.sadri-dridi/round-dp
Decimal-place count for a number
official 31 tools -
Parquet magic-byte check, file discarded
streamable-httpio.github.sadri-dridi/parquet-magic
Parquet magic-byte check, file discarded
official 31 tools -
Avro magic-byte check, file discarded
streamable-httpio.github.sadri-dridi/avro-magic
Avro magic-byte check, file discarded
official 31 tools -
Compose service count, body discarded
streamable-httpio.github.sadri-dridi/compose-ok
Compose service count, body discarded
official 31 tools -
Cargo.toml crate name shape, body discarded
streamable-httpio.github.sadri-dridi/cargo-ok
Cargo.toml crate name shape, body discarded
official 31 tools -
Lockfile family hint, body discarded
streamable-httpio.github.sadri-dridi/lockfile-kind
Lockfile family hint, body discarded
official 31 tools -
TAR ustar check, file discarded
streamable-httpio.github.sadri-dridi/tar-magic
TAR ustar check, file discarded
official 31 tools -
Notifly
streamable-httpio.notifly/notifly
Notification workflows, subscribers, topics and delivery activity; trigger a workflow with consent.
official -
Safe filename charset, name discarded
streamable-httpio.github.sadri-dridi/filename-ok
Safe filename charset, name discarded
official 31 tools -
Guess MIME from a file extension, name discarded
streamable-httpio.github.sadri-dridi/ext-mime-ok
Guess MIME from a file extension, name discarded
official 31 tools -
Git SHA hex length, value discarded
streamable-httpio.github.sadri-dridi/git-sha-ok
Git SHA hex length, value discarded
official 31 tools -
Git branch name safety, name discarded
streamable-httpio.github.sadri-dridi/git-branch-ok
Git branch name safety, name discarded
official 31 tools -
Whether current UTC hour is weekday NYSE window
streamable-httpio.github.sadri-dridi/market-open-utc
Whether current UTC hour is weekday NYSE window
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