20 The GTM Co-Founder alternatives
The GTM Co-Founder: An open-source set of go-to-market skills for solo technical founders — positioning, first users, launch and pricing, sequenced into a roadmap your agent works with you. 20 agent skills do similar work, most sharing Developer Tools, ranked by how much they have in common with The GTM Co-Founder.
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by Apollo GraphQL
Sets up Apollo MCP Server so an AI agent can call a GraphQL API as MCP tools — defining tools from named operations, or exposing introspect/search/validate/execute for open-ended schemas.
Also: Developer Tools
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by Apollo GraphQL
Apollo's official skill for writing Federation 2 subgraph schemas — entities and @key, @shareable, @external, @requires, @provides, @override, and reading composition errors.
Also: Developer Tools
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by Cloudflare
Audit Core Web Vitals with real measurements via Chrome DevTools — then fix what the numbers actually point to.
Also: Developer Tools
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by Karl Lowenbjer
Claude Code plugin whose 22 writing rules cut reply length roughly in half and strip slogans, metaphors and filler from every answer.
Also in Writing & Communication
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by Anthropic
Anthropic's official skill that appends 2-3 targeted follow-up questions to a substantive answer, prompting the reader to check facts, probe assumptions and spot missing context.
Also in Writing & Communication
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by Bo
Multi-source academic literature search as an agent skill — OpenAlex, Semantic Scholar, CrossRef, PubMed and arXiv at four depths, from a 5-minute scan to a PRISMA-S logged systematic review.
Also in Writing & Communication
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by zubair-trabzada
Claude Code skill that audits a site for visibility in AI answers — citability scoring, AI-crawler access, llms.txt, schema markup and brand-mention scanning — plus classic technical SEO.
Also in Writing & Communication
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by Cheng-I Wu
A four-skill bundle that runs the academic pipeline end to end — deep research, paper writing, peer review and revision — as multi-agent workflows inside Claude Code.
Also in Writing & Communication
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by ayghri
An output-style skill that stops a coding agent burying the answer: action first, numbered steps, state restated every turn, no preamble or filler.
Also in Writing & Communication
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by Typefully
Typefully's official skill for drafting, scheduling and publishing to X, LinkedIn, Threads, Bluesky, Mastodon and Substack Notes from your agent or terminal.
Also in Writing & Communication
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by Vercel
Vercel's official skill for reviewing documentation and prose against its writing handbook — voice, structure, code samples and typography, reported as file:line findings.
Also in Writing & Communication
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by Basecamp
Drive a HEY account from an agent through the HEY CLI — Imbox and screener, threads, replies, drafts, contacts, calendar, todos, habits, time tracking and journal entries.
Also in Writing & Communication
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by Notion
Notion's official meeting-prep skill: searches the workspace for context, enriches it with research, then writes an internal pre-read and an external agenda back into Notion.
Also in Writing & Communication
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by Brave
Brave's official search skill: one CLI that searches, scrapes and extracts in a single call, returning token-budgeted web content instead of a list of links.
Also in Writing & Communication
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by tigerless-labs
A decision board for contested calls: feed your agent papers and half-formed ideas, and it files them into a traceable sources → ideas → output structure you can defend, with a visual canvas over the markdown.
Also in Writing & Communication
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by Resend
Resend's official skill for the whole email lifecycle — transactional sends, inbound webhooks, templates, broadcasts, domains and delivery events.
Also in Writing & Communication
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by blader
Editing skill that strips the tells of AI-generated prose — filler transitions, hedging, inflated vocabulary and rhetorical padding — while preserving the author's meaning.
Also in Writing & Communication
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by Every App, Inc.
Turns seed topics into a prioritised keyword set using live OpenSEO MCP data — volume, difficulty and SERP evidence instead of an agent guessing at search demand.
Also in Writing & Communication
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by Sentry
Write and maintain concise AGENTS.md and CLAUDE.md files that document the conventions an agent actually needs.
Also in Writing & Communication
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by content-designer (Christopher Greer)
Write and audit interface microcopy, from buttons to error messages, against four checkable quality standards.
Also in Writing & Communication
