RivalSearchMCP plugin for Codex
Deterministic research MCP server on FastMCP 3 — 5-engine web search, 9-platform social search, 6 academic DBs, news aggregation, entity profiles, conflict detection, document analysis. No API keys. No in-server LLM. Structured outputs for agent chaining.
How to install RivalSearchMCP in Codex
1. Add the repo as a Codex plugin marketplace:
codex plugin marketplace add damionrashford/RivalSearchMCP2. Install the plugin from it:
codex plugin add <plugin>@rival-search-mcp-marketplaceThis repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs a plugin from it: replace <plugin> with one of the names listed under 'What it contains'. 'rival-search-mcp-marketplace' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.
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What it contains
Plugins in this marketplace (2)
rival-search-mcp— 9 research tools: 5-engine web search, 9 social platforms, 5 news sources, 5 academic databases, GitHub, website mapping, document analysis, and research topic synthesis. No API keys required. Deterministic outputs for agent chaining.rival-search-mcp-skills— Agent skill and CLI helpers for using RivalSearchMCP research tools from Codex. Includes workflows, command references, and a standalone CLI for the hosted MCP server.
About this listing
RivalSearchMCP is a community plugin on GitHub by damionrashford. Its README documents a Codex install and the repo ships a Codex plugin manifest. It passed the CodexStacks quality filter for repos found this way (at least 100 stars, pushed in the last 90 days, not a fork or a list). OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 28, 2026 (an install and load check, not a code review). From its files we found 2 plugins. It's one of 311 listings in the Productivity category. It also appears in best Codex plugins for research.
RivalSearchMCP FAQ
How do I install RivalSearchMCP in Codex?
Add the repo as a Codex plugin marketplace with codex plugin marketplace add damionrashford/RivalSearchMCP, then install it with codex plugin add <plugin>@rival-search-mcp-marketplace. Commands: the command format from the Codex CLI reference; check the repo README too.
Is RivalSearchMCP an official Codex plugin?
No. RivalSearchMCP is a community repo on GitHub by damionrashford. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 28, 2026 (an install and load check, not a code review), so read the code before you install it.
What does RivalSearchMCP include?
From its manifest and repo files, RivalSearchMCP includes 2 plugins: rival-search-mcp, rival-search-mcp-skills.
Details
- Type
- Plugin
- Category
- Productivity
- Source
- Community
- Author
- damionrashford
- License
- MIT
- GitHub stars
- 134 (at last sync)
- Last push
- 2026-10-29
- Manifest
.agents/plugins/marketplace.json- GitHub topics
- agent-skills, ai-agent, ai-assistant, claude-code, claude-code-skills, claude-mcp, competitor-analysis, cursor-mcp, deterministic-tools, entity-research, fastmcp, market-intelligence
- Source
- https://github.com/damionrashford/RivalSearchMCP
- Listed via
- GitHub search: README documents a Codex install
- Install check by CodexStacks
- Passed on Oct 28, 2026 with Codex CLI 0.163.0: Codex started its MCP server and listed its tools. proof · how we check
Something wrong or missing? Submit or improve this listing. Listings also refresh automatically every night.
For maintainers: badge and embeds
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Markdown
[](https://codexstacks.com/p/rivalsearchmcp/)HTML
<a href="https://codexstacks.com/p/rivalsearchmcp/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://codexstacks.com/p/rivalsearchmcp/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">RivalSearchMCP</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 2 plugins</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Deterministic research MCP server on FastMCP 3 — 5-engine web search, 9-platform social search, 6 academic DBs, news…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>Markdown summary
**[RivalSearchMCP on CodexStacks](https://codexstacks.com/p/rivalsearchmcp/)**: Community Codex plugin with 2 plugins.More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.
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