AgentIndex icon
AgentIndex
coros-mcp logo
coros-mcp
★ 123
vs
substack-gateway-oss logo
substack-gateway-oss
★ 38

coros-mcp vs substack-gateway-oss

coros-mcp: Coros-mcp is an unofficial Model Context Protocol (MCP) server designed to integrate Coros fitness data with AI assistants. It fetches sleep, HRV, and training data from the Coros API, allowing AI to analyze personal fitness metrics and manage training schedules without requiring an API key.; substack-gateway-oss: Substack Gateway OSS is a stateless Python application providing a REST API and an MCP server to access and manage Substack data. It simplifies integration with scripts, applications, and AI tools by offering a unified service layer for reading and writing Substack content.

01

TL;DR

coros-mcp logo
coros-mcpAPI Integration · ★ 123

Query daily fitness metrics and sleep patterns from an AI assistant, like total deep sleep or HRV trends.

Read coros-mcp full review →
substack-gateway-oss logo
substack-gateway-ossAPI Integration · ★ 38

Automate Substack content creation, updates, and deletion from scripts or applications.

Read substack-gateway-oss full review →
02

Side-by-Side Comparison

Field
coros-mcp logocoros-mcp
substack-gateway-oss logosubstack-gateway-oss
Category
API Integration
API Integration
Stars
★ 123
★ 38
License
MIT
MIT
Install Command
git clone https://github.com/cygnusb/coros-mcp.git && cd coros-mcp && python3 -m venv .venv && source .venv/bin/activate && pip install -e .
uv sync --all-packages --dev
Updated
3d ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
Model Context Protocol, Coros API, Fitness Data
Substack API, REST Gateway, Python
03

Features

coros-mcp logocoros-mcp
01Secure authentication with Coros Training Hub credentials, storing tokens in the system keyring.
02Retrieve daily metrics such as HRV, resting heart rate, training load, and detailed nightly sleep stage data.
03List, detail, create, and schedule various training activities and workout templates (cycling, strength) on the Coros calendar.
04Local SQLite cache for historical fitness data, enabling efficient data syncing and retrieval.
substack-gateway-oss logosubstack-gateway-oss
01Read and write Substack content (profiles, posts, comments, drafts, analytics).
02Expose both REST API and MCP server interfaces from a common service layer.
03Access authenticated endpoints using base64-encoded credential tokens.
04Designed for integration with AI tooling and agent workflows.
05Extensible architecture for custom routes, MCP tools, and authentication providers.
04

Use Cases

coros-mcp logocoros-mcp
↳Query daily fitness metrics and sleep patterns from an AI assistant, like total deep sleep or HRV trends.
↳Analyze historical trends for data points such as resting heart rate, training load, or VO2max over several weeks.
↳Create and schedule custom cycling or strength workout templates directly via an AI assistant for a specific date.
↳List and get detailed information about past training activities, including laps, HR zones, and power zones.
substack-gateway-oss logosubstack-gateway-oss
↳Automate Substack content creation, updates, and deletion from scripts or applications.
↳Integrate Substack data and actions into AI tools and agent workflows for content generation or analysis.
↳Develop custom scripts for data extraction, manipulation, or reporting from Substack.
↳Build custom Substack data-driven applications or dashboards.
FAQ

FAQ

What is the difference between coros-mcp and substack-gateway-oss?
Both coros-mcp and substack-gateway-oss are in the API Integration category. coros-mcp has 123 stars, while substack-gateway-oss has 38 stars.
Which is better, coros-mcp or substack-gateway-oss?
The best choice depends on your use case. Choose coros-mcp if Query daily fitness metrics and sleep patterns from an AI assistant, like total deep sleep or HRV trends., and substack-gateway-oss if Automate Substack content creation, updates, and deletion from scripts or applications..
Is coros-mcp free or open source?
Yes, coros-mcp is open source on GitHub (MIT).
Is substack-gateway-oss free or open source?
Yes, substack-gateway-oss is open source on GitHub (MIT).
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Alternatives to coros-mcp →Alternatives to substack-gateway-oss →coros-mcp details →substack-gateway-oss details →