Manifold Markets

mcp-servers

A collection of Model Context Protocol servers written in Go. Each server communicates over stdio and can be used with any MCP-compatible client such as Claude Desktop or Claude Code.

Servers

Workflowy

Full read/write access to Workflowy — search, create, organize, and complete nodes. Smart caching respects API rate limits, and search results include breadcrumb paths showing where nodes sit in the hierarchy.

10 tools: search_nodes, get_node, list_children, create_node, update_node, delete_node, move_node, complete_node, uncomplete_node, list_targets

Requires: Workflowy API token

Manifold Markets

Search and trade on Manifold Markets prediction markets — place bets and limit orders, create and resolve markets, manage liquidity, and comment.

16 tools: search_markets, get_market, get_user, get_me, list_bets, get_comments, get_positions, place_bet, sell_shares, cancel_bet, create_market, resolve_market, close_market, add_comment, add_liquidity, send_mana

Requires: Manifold API key

UK Supermarkets

Search and compare grocery prices across 9 UK supermarkets (Tesco, Sainsbury's, Ocado, Morrisons, Asda, Waitrose, HiYoU, Tuk Tuk Mart, Morueats). Returns prices, promotions, descriptions, ingredients, and nutritional information. Optional login enables order history and basket management for Tesco.

9 tools: list_supermarkets, search_products, compare_prices, get_product_details, browse_categories, get_order_history, get_basket, add_to_basket, remove_from_basket

Requires: Chrome/Chromium/Edge for some stores (Tesco, Asda, Waitrose). No API keys needed.

Amazon Products

Search for products and get detailed information from Amazon across 20+ regional sites. Handles WAF challenges and CAPTCHA detection automatically.

3 tools: list_regions, search_products, get_product_details

Requires: Chrome/Chromium/Edge

WaniKani

Read-only access to WaniKani SRS data — user profile, lesson/review summaries, assignments, subjects (radicals, kanji, vocabulary), review statistics, and level progressions. Supports paginated collection endpoints with configurable limits.

6 tools: get_user, get_summary, get_assignments, get_subjects, get_review_statistics, get_level_progressions

Requires: WaniKani API token

Bunpro

Read-only access to Bunpro Japanese grammar SRS data — user profile, study queue, deck settings, review forecasts, JLPT progress, SRS level details, and grammar point/vocabulary lookups. Authenticates via email/password with automatic Devise login.

12 tools: get_user, get_study_queue, get_decks, get_stats, get_jlpt_progress, get_review_forecast, get_srs_overview, get_review_activity, get_grammar_srs_details, get_vocab_srs_details, get_grammar_point, get_vocab

Requires: Bunpro email and password

Assets

Design assets — search and fetch icons, illustrations, fonts, photos, textures, 3D models, and audio, with license/attribution metadata. An embedded offline base (icons, illustrations, fonts) plus four keyless remote APIs work with no configuration; seven further opt-in keyed providers (Unsplash, Pixabay, Pexels, Poly Pizza, Poly Haven, Jamendo, Freesound) unlock more photos, 3D models, and audio when their API key is set. Writes files to disk.

15 tools: list_asset_sources, search_icons, get_icon, search_illustrations, get_illustration, search_fonts, get_font, search_photos, get_photo, search_textures, get_texture, search_models, get_model, search_audio, get_audio

Requires: none for the offline/keyless base; optional API keys unlock further keyed providers (see assets/README.md)

Installation

Pre-built binaries

Download from Releases — available for macOS (Intel & Apple Silicon), Linux, and Windows.

Install from source

Requires Go 1.24+.

go install github.com/jbeshir/mcp-servers/workflowy/cmd/workflowy-mcp@latest
go install github.com/jbeshir/mcp-servers/manifold/cmd/manifold-mcp@latest
go install github.com/jbeshir/mcp-servers/supermarkets-uk/cmd/supermarkets-uk-mcp@latest
go install github.com/jbeshir/mcp-servers/amazon-products/cmd/amazon-products-mcp@latest
go install github.com/jbeshir/mcp-servers/wanikani/cmd/wanikani-mcp@latest
go install github.com/jbeshir/mcp-servers/bunpro/cmd/bunpro-mcp@latest
go install github.com/jbeshir/mcp-servers/assets/cmd/assets-mcp@latest

Build from source

Clone the repo and run make build — binaries are written to bin/.

Registry

These servers are published to the MCP Registry under the io.github.jbeshir namespace:

workflowy-mcp, manifold-mcp, supermarkets-uk-mcp, amazon-products-mcp, wanikani-mcp, bunpro-mcp, assets-mcp