ProtocolProbe vs Online Developer Tool
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
ProtocolProbe compared with Online Developer Tool
| Detail | 
ProtocolProbe | OD
Online Developer Tool |
|---|
| What it does | Free directory of MCP server facts with checked information from public records
| Free browser-based developer utilities for formatting, encoding, decoding and converting data
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Free
| Free
|
|---|
| Pricing | Not given
| Not given
|
|---|
| Key features | - Free JSON API with no authentication required
- Server search and filtering by name and description
- Rankings by downloads, stars and record checks
- Server comparison and topic filtering
- Self-test command for your own server
- Record checks with badge for README
- Corrections log tracking fact updates
- CC BY 4.0 licensed data export
- Change tracking for registry updates
- Allowlist export for company filtering
| - JSON to code generation (C#, TypeScript, Java, Python, Go, PHP, Kotlin)
- JWT decoder and generator with HS256 support
- Base64, URL and HTML encoding and decoding
- UUID generation and validation
- Hash generation (MD5, SHA-256, SHA-512)
- Timestamp conversion (Unix time and dates)
- XML and YAML formatting and conversion
- Regex testing and diff checker
- Website status and reachability checking
|
|---|
| What makes it different | - Scheduled re-checking of all facts on a regular basis, unlike the official registry which only checks on publication
- Every fact shown with its source and the date checked
- No ads, sponsors or paid placements; income never changes listings or rankings
- Corrections publicly logged and requests always answered with reasoning
- Open API accessible to everyone without authentication key
| - All 54 tools run entirely in your browser with no server uploads or signup required
- Instant processing with no server roundtrips or delays
- Privacy-first architecture with data minimization
- Consolidates 54 tools eliminating the need for multiple websites
- Mobile-friendly responsive design
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 1 ● no change since last check |
|---|
| Trust Flow (Majestic) | 3 | 4 |
|---|
| Citation Flow (Majestic) | 22 | 17 |
|---|
| Referring domains (Majestic) | 7 | 4 |
|---|
4 details filled in for both companies.
More alternatives to ProtocolProbe More alternatives to Online Developer Tool