Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
35,978 servers
Showing 7,345–7,392 of 35,978 servers
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Smidgens to milliliters, number discarded
streamable-httpio.github.sadri-dridi/smidgen-ml
Smidgens to milliliters, number discarded
official 31 tools -
Register tons to cubic meters, number discarded
streamable-httpio.github.sadri-dridi/register-t
Register tons to cubic meters, number discarded
official 31 tools -
Imperial pints to liters, number discarded
streamable-httpio.github.sadri-dridi/pint-imp-l
Imperial pints to liters, number discarded
official 31 tools -
Long hundredweight to kilograms, number discarded
streamable-httpio.github.sadri-dridi/longcwt-kg
Long hundredweight to kilograms, number discarded
official 31 tools -
UTF-16 code-unit run, text discarded
streamable-httpio.github.sadri-dridi/utf16-run
UTF-16 code-unit run, text discarded
official 31 tools -
UPPERCASE run length band, text discarded
streamable-httpio.github.sadri-dridi/upper-run
UPPERCASE run length band, text discarded
official 31 tools -
UPC-A check-digit shape, value discarded
streamable-httpio.github.sadri-dridi/upc-check
UPC-A check-digit shape, value discarded
official 31 tools -
Buddhist era year from UTC
streamable-httpio.github.sadri-dridi/buddhist-yr
Buddhist era year from UTC
official 31 tools -
Unix seconds to ISO week-date
streamable-httpio.github.sadri-dridi/unix-iso-w
Unix seconds to ISO week-date
official 31 tools -
Mean solar noon UTC-hour band
streamable-httpio.github.sadri-dridi/solar-noon
Mean solar noon UTC-hour band
official 31 tools -
PostgreSQL bigserial band, value discarded
streamable-httpio.github.sadri-dridi/bigserial-ok
PostgreSQL bigserial band, value discarded
official 31 tools -
UUID max (all-ones) shape
streamable-httpio.github.sadri-dridi/uuid-max-ok
UUID max (all-ones) shape
official 31 tools -
ULID Crockford no-hyphen, value discarded
streamable-httpio.github.sadri-dridi/ulid-crock2
ULID Crockford no-hyphen, value discarded
official 31 tools -
Board feet to cubic meters, number discarded
streamable-httpio.github.sadri-dridi/boardft-m3
Board feet to cubic meters, number discarded
official 31 tools -
Wine gallons to liters, number discarded
streamable-httpio.github.sadri-dridi/winegal-l
Wine gallons to liters, number discarded
official 31 tools -
Tons of refrigeration to kW, number discarded
streamable-httpio.github.sadri-dridi/tonref-kw
Tons of refrigeration to kW, number discarded
official 31 tools -
UTF-EBCDIC signature, input discarded
streamable-httpio.github.sadri-dridi/utfebcdic-ok
UTF-EBCDIC signature, input discarded
official 31 tools -
form-urlencoded percent/plus mix, input discarded
streamable-httpio.github.sadri-dridi/percent-plus
form-urlencoded percent/plus mix, input discarded
official 31 tools -
Tonnes to kilograms, number discarded
streamable-httpio.github.sadri-dridi/tonne-kg
Tonnes to kilograms, number discarded
official 31 tools -
Therms to megajoules, number discarded
streamable-httpio.github.sadri-dridi/therm-mj
Therms to megajoules, number discarded
official 31 tools -
Imperial tablespoons to milliliters, number discarded
streamable-httpio.github.sadri-dridi/tbsp-imp
Imperial tablespoons to milliliters, number discarded
official 31 tools -
HTML numeric-entity count, input discarded
streamable-httpio.github.sadri-dridi/html-numesc
HTML numeric-entity count, input discarded
official 31 tools -
Intel HEX record count, input discarded
streamable-httpio.github.sadri-dridi/asciihex-ok
Intel HEX record count, input discarded
official 31 tools -
Ascii85 <~ ~> frame, input discarded
streamable-httpio.github.sadri-dridi/ascii85-ok2
Ascii85 <~ ~> frame, input discarded
official 31 tools -
z-base-32 charset, input discarded
streamable-httpio.github.sadri-dridi/zbase32-ok
z-base-32 charset, input discarded
official 31 tools -
XML numeric-entity count, input discarded
streamable-httpio.github.sadri-dridi/xml-numesc
XML numeric-entity count, input discarded
official 31 tools -
Cost Guard MCP
stdioio.github.mcpsmiths/cost-guard-mcp
Pre-flight query cost and result-size guardrails for AI agents on BigQuery, Snowflake, Databricks
official 12 secrets -
Rule Trade - Japanese equity verification layer
streamable-httpjp.ruletrade/mcp
Verified Japanese equity studies: 50 anomalies, 26 indicators, 12 candlesticks, events, ETF decay.
official 8 tools -
GitWarren
stdioio.github.klarluft/gitwarren
Code review on your own machine, for you and your coding agent. Nothing leaves your computer.
official 1 secrets -
personal data map dsar audit
stdioio.github.jmshinhwa/personal-data-map-dsar-audit
Reads a migration, Prisma schema, Django model or TypeORM entity and marks every column a subject ac
official -
Pondchat
streamable-httpcom.pondchat/pondchat
Ephemeral P2P WebRTC video rooms — create a pond, share the link, talk.
official 4 tools -
outlook email html lint
stdioio.github.jmshinhwa/outlook-email-html-lint
Classic Outlook renders with the Word engine, the new Outlook with WebView2. Lint one email file aga
official -
MEO Preflight
streamable-httpcom.machineeconomyobservatory/meo-preflight
Read-only machine payment preflight using dated MEO evidence, with explicit unknowns.
official 1 tool -
trazum
stdioio.github.davmunrey/trazum
Trazum as an MCP server: let an agent price and budget its own prompts before it sends them.
official -
Mitos
stdioio.github.dovahkiin-v/mitos
Architectural decision memory for LLM-native workflows — markdown for humans, a graph for agents.
official -
SmartAgent CRM
streamable-httpio.github.smartagent-ru/smartagent
MCP server for SmartAgent CRM: leads, tasks, sales pipelines, property listings
official -
AI Compute Radar
streamable-httpdev.aicomputeradar/ai-compute-radar
Which open models fit your GPU or Mac, measured. Model momentum, GPU rental prices, weekly pick.
official 5 tools -
Ministry of Gems — Gemmology & Gemstones
streamable-httpau.com.ministryofgems/gemmology
Gemology & gemmology: 215 FGAA terms, 25 handbooks, live gem stock, signed passport verification.
official 13 tools -
sharepa
streamable-httpch.getsharepa/sharepa
Put an HTML or React artifact online as a web page with its own address, password and stats.
official -
VertoDigital MCP Server
streamable-httpcom.vertodigital/mcp
B2B marketing intelligence and lead-capture tools for vertodigital.com.
official 6 tools -
Atomic Mail
streamable-httpio.github.atomic-mail/mcp
Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
official 5 secrets -
Knowl
streamable-httpio.github.dat999zx/knowl
Persistent memory for Claude Code, Cursor and Codex. Facts retire when they change.
official -
TriPeak
streamable-httpapp.tripeak/tripeak
Triathlon coaching: training plans, load (CTL/ATL/TSB), session grading and race pacing.
official -
Lex
stdiodev.smartergpt/lex
Episodic memory, Frames, Policy Neighborhoods, and policy enforcement for AI agents.
official 8 secrets -
Market Category Booster
streamable-httpcom.market-category-booster/mcb
Maps a product description onto the category path of a marketplace taxonomy.
official 3 tools -
spectrum data digital
streamable-httpio.github.spectrumdatadigital/spectrum-data-digital
Data marketplace for AI agents: quality-scored datasets, compliance checks, x402 USDC payments.
official -
Gramps Web MCP
stdioio.github.scormave/gramps-web-mcp
MCP server for structured access to Gramps Web genealogy data
official 8 secrets -
UTF-8 BOM presence, bytes discarded
streamable-httpio.github.sadri-dridi/utf8sig-ok
UTF-8 BOM presence, bytes discarded
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