MCP connectors for ChatGPT

DialogBrain

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DialogBrain gives AI agents access to all your messaging channels — Telegram, WhatsApp, Instagram, Email, and more — through a single MCP interface.

• Contacts Find: 👤 Search for contacts in your address book by name or username. When to use: - User asks 'find contact X' or 'who is Y?' - User wants to know someone's username or ID - Before sending
• Contacts Discover: Search for a contact on a live channel (Telegram, WhatsApp, etc.) before adding them. Use this to look up a person by username or phone number before calling contacts.sync.
• Contacts Sync: Add a discovered contact and open a conversation thread. Returns thread_id for the new conversation. Call contacts.discover first to verify the contact exists.

diamond-mcp

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Sourced diamond and gemology tools for AI assistants, with 90 encyclopedia entries.

Diavgis — Greek Public Procurement

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Greek public procurement: tenders, awards, contracts, payments, suppliers, expiring contracts.

Dice

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Search tech job listings, filter by skills and location, and browse candidate profiles.

• Search Jobs: Search for job listings by keyword, location, and filters. Returns job details, company info, and application links. Use this tool when users want to find jobs, search employment opportun

Dice MCP: Search for tech jobs on Dice.com

diceuear

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DiceBear MCP — wraps DiceBear Avatar API v7 (free, no auth)

dictionary

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Dictionary MCP — wraps Free Dictionary API (free, no auth)

Dictionary Lexicon Mcp

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Discover the true meaning of any English word with our Dictionary Lexicon MCP.

did:jwk thumbprint shape, value discarded

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did:jwk thumbprint shape, value discarded

did:key multibase shape, value discarded

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did:key multibase shape, value discarded

Didit

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Didit MCP — wraps the Didit v3 identity / compliance API (didit.me)

Didot points to millimeters, number discarded

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Didot points to millimeters, number discarded

DIEM Agent Workers

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Discover privacy-first, bounded Venice-powered micro-work calls with exact x402 USDC prices.

Dieta.ai

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Nutrition tracking by Dieta.ai.

DietBox

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Patient, prescription, anthropometry, scheduling, chat and food diary management for dietitians.

Business Observability: process inventory, AP risk, sales temperature, savings.

Diff Checker API

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Compare two texts line-by-line — additions, deletions, unchanged.

diff-patch-tools

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Cloudflare Workers MCP server: diff-patch-tools

DiffBeam Gaussian Beam Optics

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Read-only optical catalog search plus DiffBeam server, schema, and catalog revision metadata.

DiffBeam Gaussian Beam Optics

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Design, validate, simulate, and share Gaussian beam optical systems.

• Validate Optical System: Validate a compact DiffBeam optical system without running the solver. Every authored parameter must include a display unit and an explicit fixed/free decision. Gaussian-beam
• Simulate Optical System: Run DiffBeam's Gaussian-beam solver on a candidate optical system. The result includes convergence, warnings, solved beam values, and—unless disabled—the complete importable D
• Search Fibers: Search DiffBeam's local catalog for fiber families and part numbers. Results can include mode-field diameter, numerical aperture, operating wavelength, attenuation, vendor identity, pro

Diffbot

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Diffbot MCP — Knowledge Graph company enrichment + web content extraction (diffbot.com)

Digche Icons

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Find semantic Digche replacements for functional UI icons and retrieve the selected SVG style.

Exact hashing, base64/hex/URL encoding, JWT decoding and UUIDs for AI agents.

diggercamp

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Find independent music by how it sounds: similar tracks and playlists from a track link.

Digital-crisis playbooks as tools, 9 languages, country-anchored reporting channels.

digital-goods-mcp

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Let AI agents sell software and courses worldwide with sales tax handled — one server aggregating eight Merchant-of-Record platforms: Paddle, Lemon Squeezy…

• Create Checkout: Create a hosted CHECKOUT LINK for a digital product / software / course through a merchant-of-record platform (the MoR is the seller and remits global sales tax / VAT). Returns checko
• Query Order: Get the status of an order / transaction created through the merchant-of-record platform. order_id = Paddle transaction_id (txn_...), Lemon Squeezy order id (numeric), Polar order id (UUI
• Issue Refund: Refund an order through the merchant-of-record platform. Capability differs by provider: Paddle = FULL refund only (POST /adjustments; pending_approval on production) — do NOT pass amoun

Digital Goods MoR aggregator (Paddle, Lemon Squeezy, Polar, Whop, Creem, Dodo, FastSpring, 2CO)

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Merchant-of-record MCP: AI agents sell software & digital goods, global tax handled, BYO key.

Digital Manager Guru

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Digital Manager Guru checkout and sales-management platform for digital products via the official AP

Digitraffic Ais

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Digitraffic AIS MCP — live vessel positions in Finnish and Baltic Sea waters.

Dijin is a Memory Layer: recall notes, decisions, and evidence-backed answers across every AI.