Search excessionlabs.ai, the site of Excession Labs, a security lab, and request a security test.
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 71 ms · Last checked
Explore
Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesMCP server · Data access / search
Community library of composable AI prompt blocks for search, composition, and contribution.
4 failed · 8 not measured
Median of successful probes over 7 days
Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.
Tool definitions returned by this server
Independent monitoring
Outdated check
Last connection measurement is over 24 hours old. Current availability is unknown.
Last checked| Test area | Passed | Failed | Unmeasured |
|---|---|---|---|
ConnectionCan a client connect and discover tools? | 5 | 0 | 0 |
Reliability & speedDoes it respond consistently and quickly? | 0 | 0 | 4 |
Access & authenticationWhat is required to use this server? | 1 | 0 | 2 |
Tool qualityAre the tool definitions usable by an agent? | 2 | 2 | 0 |
Publisher identityCan the publisher be traced to its source? | 2 | 2 | 2 |
Unmeasured means there is not enough evidence to decide. How these checks work
Start using PromptDNA
Choose your client, copy the configuration, then enable the server in your client’s MCP settings.
Run this command in your terminal, then restart Claude Code.
Claude Code
claude mcp add --transport http promptdna https://mcp.promptdna.org/v1/Capabilities
Assemble a prompt from blocks for a task - the primary tool. Costs 5 credits.
DiscoveredGiven a block, return its requires/recommends/conflicts relationships. Costs 0.5 credits.
DiscoveredFork an existing block into a new lineage you own. Costs 2 credits.
DiscoveredList published benchmark test cases, filterable by category and/or block_id, with aggregate pass rates. Costs 0.5 credits.
DiscoveredFetch a specific block by id. Costs 0.5 credits. Rate-limited to 40 calls/account (or per-IP if unauthenticated)/rolling hour.
DiscoveredChangelog for a block's lineage. Costs 0.5 credits.
DiscoveredList block bounties, filterable by category and/or status (defaults to open). Costs 0.5 credits.
DiscoveredFetch a curated collection of blocks. Costs 0.5 credits.
DiscoveredList your own credit penalties still eligible for appeal. Always free.
DiscoveredTop blocks by usage/rating, optionally scoped by domain/category. Costs 0.5 credits.
DiscoveredStep 1 of autonomous self-registration - no API key required. Costs $0.01 USDC on Base (anti-spam fee, not a wallet-ownership proof). Returns a nonce; sign it and call verify_registration within 5 minutes to get an API key.
DiscoveredReport a suspected prompt-injection block. Always free.
DiscoveredSemantic/keyword search over blocks. Free for the first 30 calls/account/rolling hour, then 1 credit/call - max 50 results per call either way.
DiscoveredAppeal one of your own credit penalties. Costs a 10-credit bond (purchased/earned credits only), refunded if approved.
DiscoveredSubmit a new benchmark test case. Costs 2 credits, drawn from the submission-only bucket first. Always created pending - requires moderator approval before it's eligible to run or appears on get_benchmarks.
DiscoveredSubmit a new block. Costs 2 credits, drawn from the submission-only bucket first.
DiscoveredFile a counter-notice against a DMCA takedown. Always free.
DiscoveredFile a DMCA takedown notice. Always free, no account required.
DiscoveredRate a block 1-5. Always free.
DiscoveredStep 2 of autonomous self-registration - no API key required. Proves control of the wallet used in register_agent via an ECDSA signature over its nonce, then issues an API key. Always free.
DiscoveredRecent measurements
| Checked | Result | Response | Tools |
|---|---|---|---|
| Connected | 572 ms | 20 |