MCP Server Directory

Avalara Tax Content com.avalara/atc

Provides access to Avalara Tax Content: TTE configs, jobs, communications, lodging, autorental

SendThisFax com.sendthisfax/fax

Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key.

Avalara AvaTax com.avalara/avatax

Access Avalara AvaTax API for tax calculation, transactions, nexus management, and compliance

Avalara Tax Registrations and Business Licenses com.avalara/bl

Provides access to Avalara Tax Registration and Business Licenses APIs for filings and registrations

Avalara Returns com.avalara/returns

Provides access to Avalara Global Returns API for tax returns, filing calendars, and compliance data

mcp com.sequentum/mcp

Turn the web into structured, reliable, actionable enterprise data for AI Agents

Balladic com.balladic/mcp

Fluid cowork platform. Synthesizes work data across boundaries, with project tracking built in.

Open protocol for booking and scheduling professional services via AI agents

Setix: the Clearinghouse for the AI Economy com.setix/clearinghouse

Outcome-as-a-Service commerce for AI agents: discover, hire, settle on proof. Live on devnet.

Earlywire — Marketing & Growth Intelligence com.barisasa.earlywire/wire

Marketing, growth & SEO intel: 120+ practitioner sources, judged daily, with citable summaries.

SG Property Data com.sgpropertydata/property-data

Price trends, CAGR, rental yield for Singapore private and HDB property, from URA/HDB records.

agent-check com.basenull/agent-check

Process monitoring for AI agents: start runs, submit per-task evidence, complete runs.

Shippo com.shippo/shippo-mcp

Multi-carrier shipping for AI agents: compare rates, buy labels, track packages, validate addresses

shorttext com.shorttext/shorttext

Paste short text, get a shareable URL. Read any by slug; create with an API key.

Siglume MCP Gateway com.siglume/mcp-gateway

Access Siglume API Store tools and external MCP Router servers.

okr com.basenull/okr

Team OKRs from your AI workspace: objectives, key results, and weekly check-ins.

SigParser com.sigparser/sigparser

Query contacts, companies, relationships, and communication metrics from SigParser.

spektralwerk-docs com.silicann/spektralwerk-docs

Documentation for the Spektralwerk spectrometer SCPI API as a streamable HTTP MCP Server

Speko AI ai.speko/mcp

Manage Speko voice-AI agents, sessions, calls, phone numbers, knowledge bases, evals, and docs.

product-intelligence com.smarthomeexplorer.www/product-intelligence

Smart home product intelligence: 1,080+ products with expert consensus scores and compatibility.

smartling-mcp-server com.smartling/smartling-mcp-server

Smartling MCP Server

Social Champ com.socialchamp/socialchamp-mcp

Connect AI agents to Social Champ: manage channels, posts, AI content, queue, and approvals.

Persistent memory for AI agents. Infinite context with sub-millisecond recall.

Timezone Helper com.somdewan/timezone-helper

MCP server for TimezoneDB.