MCP server ideas developers want built

1. 1Expose post_message and read_messages tools over MCP.
2. 2Give each agent a role so handoffs stay in order.
3. 3Add a web view so you can watch the thread and step in.

The Reddit threads

• ▲2.3kI got tired of copy pasting between agents. I made a chat room so they can talk to each otherr/vibecoding · 257 comments

1. 1Split the repo into functions and classes with tree-sitter and embed them locally.
2. 2Expose a search tool that returns ranked snippets with file paths.
3. 3Sell a shared index that stays current for teams.

The Reddit threads

• ▲907[Open Source] I reduced Claude Code input tokens by 97% using local semantic search (Benchmark vs Grep)r/ClaudeAI · 137 comments
• ▲139[Open Source] We built a local code search MCP for Claude Code that uses ~98% fewer tokens than grep+readr/ClaudeAI · 54 comments

1. 1Expose remember, recall and forget tools over MCP.
2. 2Store decisions and architecture notes per repo, not whole transcripts.
3. 3Make hosted sync across machines the paid tier.

The Reddit threads

• ▲741I used Obsidian as a persistent brain for Claude Code and built a full open source tool over a weekendr/ClaudeAI · 342 comments
• ▲76Combined Karpathy's LLM Wiki with Milla Jovovich's MemPalace MCP. Claude Code now remembers everything across sessionsr/ClaudeAI · 70 comments
• ▲39My agent's memory is an MCP server over a git repo of markdown. Same memory in Claude Code, Cursor, and anything that speaks MCPr/mcp · 32 comments
• ▲8How to give memory and context to your Codex Clir/codex · 3 comments
• ▲2Made an MCP server that remembers context across Cursor sessionsr/cursor · 10 comments

1. 1Expose a delegate tool that sends a task and the files it needs to a chosen model.
2. 2Return the answer with its cost and time.
3. 3Track which model wins each kind of task and suggest routes.

The Reddit threads

• ▲194I built an MCP server so Claude Code can delegate work to GPT-5.6, DeepSeek, GLM and a local Qwen — then benchmarked all of them against Claude itself (198 runs, hidden tests)r/ClaudeAI · 100 comments
• ▲381Wait, Codex can now invoke Claude Code sessions?r/ClaudeCode · 160 comments
• ▲285Why Using Astra Inside Claude Code Is the New Meta (& How To Do It)r/ClaudeAI · 66 comments

1. 1Strip navigation, ads and boilerplate and return Markdown.
2. 2Offer an outline mode that lists headings and links first.
3. 3Host a version that renders JavaScript-heavy pages.

The Reddit threads

• ▲384PullMD - gave Claude Code an MCP server so it stops burning tokens parsing HTMLr/ClaudeAI · 61 comments
• ▲112Charlotte: a browser MCP server built for token efficiency (30 tools, 3 detail levels, 136x smaller than Playwright MCP on complex pages)r/mcp · 37 comments

1. 1Proxy several downstream MCP servers behind one endpoint.
2. 2Expose a search_tools tool and load full tool schemas only on demand.
3. 3Charge for hosted routing and shared team server lists.

The Reddit threads

• ▲147How to connect 100 MCP servers without the context window explodingr/mcp · 39 comments
• ▲235I removed 63% of my Claude Code setup and it got 10x faster. Stop installing everythingr/ClaudeCode · 111 comments

1. 1Pick one app with a scripting or plugin layer and wrap its main actions as tools.
2. 2Return renders or screenshots so the agent can check its own work.
3. 3Sell to that app's user community first.

The Reddit threads

• ▲227Unreal engine 5.8 MCP connected to claude coder/aigamedev · 63 comments
• ▲91We built an MCP server for CADr/mcp · 17 comments
• ▲50PilotCut: I got mass-frustrated with CapCut, and FinalCut Pro. Built my own Mac video editor that lets any AI agent do the cutting. Basically a tool for ChatGPT Codex / Claude Code for your video editingr/macapps · 60 comments

1. 1Connect with a database role that cannot write, and reject anything but SELECT.
2. 2Cap returned rows and mask columns like emails and tokens.
3. 3Log every query so the team can see what the agent looked at.

The Reddit threads

• ▲42An AI Agent Just Destroyed Our Production Data. It Confessed in Writing.r/ExperiencedFounders · 96 comments
• ▲19Production-ready Self-hosted Supabase distribution: SSO, PITR backups, monitoring, and a read-only MCP so your coding agent can build on it without touching a secretr/Supabase · 15 comments