| What it does | Auto-compile APIs into Go MCP servers with 1-click plugins and unified gateway distribution
| A fast, private and offline API client for REST, gRPC, GraphQL and WebSocket services
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| Stage | Not given
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| Founded | Not given
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| Based in | IN
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| Pricing model | Freemium
| Open source
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| Pricing | Hobby free forever with 5 Go MCP servers, 1 gateway, 100k requests/month, and community support. Gateway Pro $19 USD/month with 10 multiplexed gateways, enhanced gateway, encrypted secret vault, and 500k requests/month. All-Access Pro $49 USD/month with everything in Gateway Pro plus up to 100 Go MC
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| Key features | - Auto-compile OpenAPI, Swagger, and Postman collections into native Go MCP servers
- Composable plugin layer: Sentry tracing, GA4 analytics, AI firewalls, rate limiting, secret vaults
- CI/CD auto-sync keeps servers updated with zero downtime
- Autonomous agent orchestrator (karada_agent) eliminates context bloat
- Sub-5ms execution latency on Streamable HTTP transport
- Spec-to-server compilation in under 2-5 minutes
- Private MCP registry for secure tool distribution
| - REST and HTTP with every method, query and path params, JSON, XML, text, form-data, URL-encoded and binary bodies
- gRPC with server reflection or proto files, unary and server-streaming calls, metadata and trailers, TLS and mutual TLS
- GraphQL queries and variables with data and errors split out
- WebSocket text, JSON and binary messages with live message log
- Traffic proxy to capture HTTP(S) traffic of apps and phones
- Python scripting for pre and post-request scripts with tests
- Test cases and CI integration with chapar-cli
- Environments with variables and secret values encrypted with OS keychain
- Import Postman collections, OpenAPI specs and proto files
- Code generation for cURL, Python, Go, JavaScript, Java, Ruby and .NET
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| What makes it different | - Complete 4-layer lifecycle eliminates need for brittle TypeScript/Python adapters and manual scaling
- Context-aware gateway reduces token usage by 95% by routing execution server-side instead of prompt stuffing
- Native Go performance with Streamable HTTP instead of slower runtime environments
- One-click plugins and hot-reload without code changes or server restarts
| - Local-only data with no cloud sync or telemetry
- GPU-rendered native UI that starts quickly and runs on macOS, Linux and Windows without a browser engine
- Collections stored as YAML files in git for version control
- Built-in traffic proxy for inspecting and importing HTTP(S) traffic from other apps
- Free and open source under BSD 3-Clause license
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▼ −1 (down) since last check | 6 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 5 |
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| Citation Flow (Majestic) | 25 | 26 |
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| Referring domains (Majestic) | 76 | 31 |
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Chapar