Writing assistance MCP servers

A server here drafts, edits or proofreads text: grammar, style, tone.

Not here: translation and fiction writing.

305servers
198 remote107 localTagged by Odel's AI, which can make mistakes

Best fit

131 made for this, ranked by starsRemoteLocal
  1. ListingGood MCP @ryanyang828/listinggoodGet recommended by Amazon's AI. Hosted MCP server for Amazon listing compliance & generation.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  2. APICK AI @apick/aiLLM chat, text tools, image generation, editing, batch image jobs, and asynchronous video generation8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  3. Ryter Pro @apiihub33-cyber/ryterpro-mcpMCP server for humanizing and rewriting text with the Ryter Pro API.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  4. Slima @slima-ai/slimaMCP Server for Slima - AI Writing IDE for Novel Authors with AI Beta Reader.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  5. Promptlint MCP @sean-sunagaku/promptlint-mcpStatic linter for AI prompts: contradictions, redundancy, ambiguity, and fluff.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  6. Writing MCP @hannasdev/mcp-writingMetadata-first fiction editing and reasoning tools for long-form writing projects.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  7. Alchemy @fernforge/alchemyServes the Alchemy writing ruleset to any agent, so its prose loses the usual LLM tells.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  8. defluff @ahmedak/defluffDeterministic prose linter for LLM text — flags AI slop, filler, buzzwords, hedges, clichés.2% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  9. Words @pipeworx-io/wordsWords MCP — wraps Datamuse API (free, no auth required)5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  10. SuperDocs MCP Server @superdocs/superdocsAI document editing for agents: draft, edit, export .docx/PDF. 37 MCP tools; agent self-signup.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.1 GitHub stars.
  11. DraftCheck AI-writing linter @kburrus64-max/slopscoreDraftCheck: flags AI-writing patterns in prose with fix hints. Deterministic linter, not a detector.Not assessed yet.A remote server; no sign-in.
  12. App-Kit @app-kit-dev/mcpSEO audit (400 checks), text readability and grammar check, PDF to images, image conversion.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  13. Ownhand @jordan-gibbs/ownhandWrite in the user's own voice, fitted to the occasion. Learns from the text they actually send.Not assessed yet.A remote server; you sign in with your account.
  14. PersonaMCP @robyroro/personamcpLocal-first memory of how you write: style profile and real reply examples from your chat exportsNot assessed yet.Runs on your machine, installed from PyPI.
  15. Postel @postel/postelDraft, schedule and publish X (Twitter) and LinkedIn posts in your own voice.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  16. Lexilint @raunakkathuria/lexilintOffline spell checker + BYOK grammar for AI assistants. Works with Claude Desktop, ChatGPT, Cursor.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  17. LanguageTool @mrfentmen/languagetool-mcpKeyless MCP server for LanguageTool: grammar, spelling and style checking in 30+ languages.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  18. HumanifyMe @joshmcq/humanifymeLearns your writing voice locally and rewrites AI drafts so they sound like you.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  19. Stylemcp @3dunlmtd/stylemcpBrand rules for AI outputs. Validate and rewrite text to match your brand voice.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  20. ScriptGrain @scriptgrain/scriptgrainYour writing voice measured across 45 attributes; drafts in that voice, scored against it.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  21. crosscheck @crosscheckapi/crosscheckChecks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  22. Ticket AI @syrian963/ticket-ai-mcpMeasures tickets against the ones your team already shipped: sections, length, labels, duplicates.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  23. Unswell @stokaro/unswellOffline self-checking to reduce AI-style wording in source code and documentation.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from Docker.
  24. Pain in the Agent @krllagent/painintheagent-mcpHumanize, rewrite and analyze prose with one shared Pain in the Agent account allowance.8% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from MCPB.