Reddit MCP (adhikasp/mcp-reddit) vs Slack MCP Server

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

	Reddit MCP (adhikasp/mcp-reddit) MCP Servers	Slack MCP Server MCP Servers
Tagline	MCP server that lets Claude and other LLM clients fetch and analyse Reddit threads	Archived reference MCP server that lets Claude and other MCP clients read and post in a Slack workspace via a bot token.
Category	MCP Servers	MCP Servers
Pricing	Free· Free and open source (MIT). No paid tier. You run it locally; Reddit's public JSON endpoints are hit unauthenticated, subject to Reddit rate limits.	Free· Free / open-source (MIT). Requires a Slack workspace and a Slack bot token; Slack itself is free/paid.
Model	—	—
Editorial score	—	—
Use cases	Subreddit hot-thread summarisationCommunity sentiment monitoringProduct feedback harvesting from niche subredditsCompetitive intelligence on brand mentionsResearch assistant grounding on live discussionsDaily digest of r/LocalLLaMA or r/programmingComment-thread analysis for a specific postPrep material before drafting a Reddit reply	Channel triage and summarisationAutomated thread digestsPosting AI-generated status updatesCross-channel search and reportingStandup and retro note postingOn-call escalation repliesUser and profile lookup for routingReaction-based workflow signallingMCP server reference implementation
Pros	One-line install via Smithery or uvx; no API keys or OAuth to configure Open source under MIT, ~400 GitHub stars, actively maintained by the author Works with any MCP host — Claude Desktop, Cursor, mcp-client-cli, Continue, etc. Handles text, link and gallery post types, plus nested comment threads Runs locally, so prompts and fetched content never touch a third-party service Tiny surface area makes it easy to audit, fork, or extend	Official reference implementation from the modelcontextprotocol project — small, readable TypeScript that documents the MCP tool pattern well Covers the eight highest-value Slack primitives (list, post, reply, react, history, thread, users, profile) with minimal ceremony Ships as both an npx package and a Docker image, so it drops straight into Claude Desktop, Cursor, or any MCP client with a JSON config snippet Standard Slack bot-token auth (xoxb-) with clearly scoped OAuth permissions — easy to reason about and to revoke Open-source under MIT, so forking or vendoring for internal hardening is straightforward Good starting point for learning how to write your own MCP server against a REST API
Cons	Read-only — cannot post, comment, vote, or perform moderation actions Uses Reddit's public JSON endpoints unauthenticated, so it inherits their rate limits and can be blocked on heavy use No historical or full-text search across Reddit; scope is hot threads and specific posts Requires a working Python/uv toolchain and a client that already speaks MCP Not an official Reddit product, so any Reddit API policy change can break it without warning	Archived by the maintainer on 29 May 2025 — no upstream bug fixes, security patches, or Slack API compatibility updates Read-only surface for channels (public channels only by default) and no DM, private-channel, search, files, or canvas support out of the box No pagination helpers or rate-limit backoff beyond what the Slack SDK provides, so bulk history pulls in large workspaces can be fragile Requires a workspace admin to install a bot app and mint a token, which is a real blocker in locked-down enterprise Slack tenants Bot-token model means every action is attributed to the bot user, not the human operating the assistant, which complicates audit trails
Website	github.com	github.com

Pick Reddit MCP (adhikasp/mcp-reddit) if

✅ One-line install via Smithery or uvx; no API keys or OAuth to configure
✅ Open source under MIT, ~400 GitHub stars, actively maintained by the author
✅ Works with any MCP host — Claude Desktop, Cursor, mcp-client-cli, Continue, etc.
✅ Handles text, link and gallery post types, plus nested comment threads

Pick Slack MCP Server if

✅ Official reference implementation from the modelcontextprotocol project — small, readable TypeScript that documents the MCP tool pattern well
✅ Covers the eight highest-value Slack primitives (list, post, reply, react, history, thread, users, profile) with minimal ceremony
✅ Ships as both an npx package and a Docker image, so it drops straight into Claude Desktop, Cursor, or any MCP client with a JSON config snippet
✅ Standard Slack bot-token auth (xoxb-) with clearly scoped OAuth permissions — easy to reason about and to revoke

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