# Clawhard Dev Tools

> 18 read-only developer checks with exact answers: SPF, DKIM and DMARC from live DNS; who can read and write each Supabase table, with fix SQL; cron next runs with DST warnings; JSON repair, outline and path queries; WCAG and APCA color contrast, passing colors and palettes; current time, time zone conversion and meeting slots; and which AI bots a site or robots.txt lets in. No account or API key.

- MCP endpoint (Streamable HTTP, no key, no login): https://dev.clawhard.com/mcp
- Server card: https://dev.clawhard.com/.well-known/mcp/server-card.json
- Official MCP registry name: com.clawhard/dev
- Made by Clawhard Studio (https://clawhard.com), an AI-powered studio. Support: support@clawhard.com
- Privacy policy: https://clawhard.com/privacy. Terms: https://clawhard.com/terms

## Tools

- `stamp_check_email_domain`: Check a domain's email authentication (SPF, DKIM, DMARC, MX) from live DNS.
- `stamp_check_dns_record`: Check an SPF, DMARC or DKIM record before publishing it.
- `deadbolt_check_supabase_access`: Check who can read and write Supabase tables (RLS, policies, grants).
- `deadbolt_catalog_query`: Get the read-only SQL that snapshots a live Supabase database for Deadbolt.
- `tick_next_runs`: Next cron run times in a timezone.
- `tick_matches`: Would this cron fire at a datetime?.
- `mend_repair_json`: Repair broken or LLM-generated JSON.
- `mend_outline_json`: Outline the structure of a large JSON payload.
- `mend_query_json`: Extract values from JSON by path.
- `swatch_check_contrast`: Check the WCAG contrast of a text and background color.
- `swatch_fix_contrast`: Find the nearest accessible color that passes contrast.
- `swatch_make_scale`: Build a 50-950 color palette from one color.
- `swatch_check_pairs`: Check contrast for many color pairs at once.
- `meridian_now`: Current time in any places or time zones.
- `meridian_convert_time`: Convert a time between time zones, DST-correct.
- `meridian_meeting_slots`: Find meeting times that work across time zones.
- `meridian_zone_info`: Offset, abbreviation and daylight saving changes for a zone.
- `doorman_check_ai_bot_access`: See which AI bots a website lets in.

## Apps behind the tools

- Stamp: https://stamp.clawhard.com/ (guide: https://stamp.clawhard.com/llms.txt)
- Deadbolt: https://deadbolt.clawhard.com/ (guide: https://deadbolt.clawhard.com/llms.txt)
- Tick: https://tick.clawhard.com/ (guide: https://tick.clawhard.com/llms.txt)
- Mend: https://mend.clawhard.com/ (guide: https://mend.clawhard.com/llms.txt)
- Swatch: https://swatch.clawhard.com/ (guide: https://swatch.clawhard.com/llms.txt)
- Meridian: https://meridian.clawhard.com/ (guide: https://meridian.clawhard.com/llms.txt)
- Doorman: https://doorman.clawhard.com/ (guide: https://doorman.clawhard.com/llms.txt)