Development

changegamer

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Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Auto-generate changelogs from GitHub PRs with AI-powered categorization and rewriting.

ChangeThisFile

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1,000+ conversion routes plus translate, extract tables, compress.

Channel3 Shopping

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Shopping search across 100M+ products, with every retailer's offer and live price in one place.

Chaos Index

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chaos-index MCP — wraps StupidAPIs (requires X-API-Key)

Chapa

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Read, compare, and verify public developer impact profiles and Chapa badges.

Chargebee

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Chargebee MCP Pack — wraps the Chargebee API v2

ChargerDojo

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OCPI versions, what changed between them, and which modules and journeys ChargerDojo tests.

charity-registry

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Search, verify and compare 7.9M+ nonprofits from official charity registries in 100+ countries.

Charlotte Area Transit (CATS)

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CATS bus and light rail trip planning, live arrivals, timetables, routes, and service alerts

charm

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OEM automotive repair data - part numbers, torque specs, procedures for 1982-2013 vehicles.

Charming

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Build personal interactive apps with real URLs and persistent storage, using any AI.

Chart Color System

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Solve, audit and simulate colorblind-safe chart palettes.

Chart Library — Market-state research

Degraded

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Market memory for AI: historical states, published studies and source evidence.

chartlink

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Charts and tables for AI agents with live-updating embed links.

ChartPane

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Renders interactive Chart.js charts and dashboards inline in AI conversations.

chartwire

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Generate production-ready chart code (Recharts, Chart.js, ECharts, Plotly) from a prompt.

chasa

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AI invoice follow-up emails for freelancers.

chat-recall

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One searchable history across every AI coding tool, with secret scanning and a shared task board.

Chat Thing

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Chat Thing MCP Server The official Chat Thing MCP server.

• List Teams: List teams the authenticated user is a member of, with their role on each team. Use this to discover the teamId required by `create_bot` when the user belongs to multiple teams. The `role`
• List Models: List the LLM models available for use as a bot's primary model. Use the `type` field as the `model` argument to `create_bot` or `update_bot` (e.g. `claude46Sonnet`, `gpt5`). The MCP tools
• List Bots: List bots belonging to teams the authenticated user is a member of. Optionally filter by teamId. Each bot's `version` is included so you can tell v2 bots (editable via `update_bot`) from le

chatflow

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WhatsApp CRM for AI agents: search contacts, read chats, manage the sales pipeline, send messages.

Chatroost — unofficial Telegram MCP server

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Unofficial Telegram MCP server — read, search, reply and react in your own Telegram account.

Cheapshark

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PC game deals across Steam/Epic/GOG/Humble via CheapShark.

Check Digit Validator

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Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit

checklist

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Reusable checklists and dated runs of them: pass, fail, not applicable, and a sign-off.

checklist.day Registry

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Registry of Python AI/ML libraries: correct imports, quickstart code, and known footguns.

Checkout.com

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Search Checkout.com docs and API reference, plus manage payments, refunds, and payment links.

Chembl

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ChEMBL MCP — drug discovery database (EBI).

chemical-safety

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Chemical hazard lookup: SVHC, GHS, NIOSH, ICSC.

chemistry

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Deterministic MCP for AI agents: drug discovery, ADMET, docking, LNPs, DoE, retrosynthesis, ICH M7