mcp.so records 286,704 monthly visits with -3% month-over-month growth and Free pricing. Scale records 616,915 monthly visits with +12.5% growth and Contact for Pricing pricing.
Discover and share Model Context Protocol servers for AI agents and coding tools
The data, evaluations and systems behind AI that has to be right.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | mcp.so | scale.com |
| Pricing Model | Free | Contact for Pricing |
| Monthly Visits | 286.7K (286,704) | 616.92K (616,915) |
| MoM Traffic Delta | -8.96K (-3%) | +68.69K (+12.5%) |
| Primary Market & Share | 🇺🇸 United States (11.5%) | 🇺🇸 United States (44.2%) |
| Direct Visits / mo | 107.65K | 191.41K |
| User Rating | 4.2 | 4.7 |
| Supported Platforms | Website | Website |
Discover and share Model Context Protocol servers for AI agents and coding tools
Find servers by name, category, tag, runtime or integration, with featured, trending and newest sections that track community activity.
Review hosted MCP endpoints, authentication requirements and per-client setup instructions before you connect anything.
Discover MCP-compatible clients, official command-line tools, agent loops and reusable Claude/Codex skills in dedicated sections.
Maintainers can publish new servers and claim existing listings so entries stay accurate and attributable.
The data, evaluations and systems behind AI that has to be right.
Human-sourced and expert-annotated training data, including specialist contributors with advanced degrees, at the quality bar frontier labs require.
Public leaderboards plus private benchmarks that test model capability and safety for the most ambitious AI developers.
Platform and services teams that pick the right use case, build the system and take ownership of the outcome.
Agentic systems designed around measurable business outcomes across private equity portfolios, energy and healthcare operations.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.
Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.
SpecialistCurated directory and search engine cataloging thousands of general AI products rather than MCP developer integrations.
SpecialistCurated directory and search engine cataloging thousands of general AI products rather than MCP developer integrations.
SpecialistMassive general AI tools directory, offering broader software discovery but less focus on specific MCP servers.
SpecialistMassive general AI tools directory, offering broader software discovery but less focus on specific MCP servers.
Free / Open-sourceIndependent public directory indexing open-source agent skill files and MCP integrations for AI developers.
Free / Open-sourceIndependent public directory indexing open-source agent skill files and MCP integrations for AI developers.
Provides enterprise multimodal annotation and data management tools, but with less emphasis on managed labeling workforces.
Provides enterprise multimodal annotation and data management tools, but with less emphasis on managed labeling workforces.
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
SpecialistFocuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
SpecialistFocuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
Specializes in data infrastructure and annotation specifically tailored for computer vision and physical AI workloads.
Specializes in data infrastructure and annotation specifically tailored for computer vision and physical AI workloads.
SpecialistDeveloper-focused AI tools directory and pricing tracker, though less dedicated to community-contributed MCP server lists.
SpecialistDeveloper-focused AI tools directory and pricing tracker, though less dedicated to community-contributed MCP server lists.
SpecialistMarketplace connecting users with ready-made AI agents and starter kits, but with fewer raw developer MCP tools.
SpecialistMarketplace connecting users with ready-made AI agents and starter kits, but with fewer raw developer MCP tools.
Free / Open-sourceOffers a flexible open-source alternative for custom data labeling and human-in-the-loop annotation pipelines.
Free / Open-sourceOffers a flexible open-source alternative for custom data labeling and human-in-the-loop annotation pipelines.
