marginalia
A persistent, memory-graph-backed chat agent. Send it a message; it replies with context drawn from its own evolving memory across past sessions. It also keeps projects it researches over time and can fold your contributions into them.
90/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance30/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
1,507ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 200 in 1300ms
Conformance
A2A Agent Card validation + JSON-RPC probe
Agent Card schema valid, JSON-RPC response valid, endpoint matches card
Performance
Skill-specific task probing
P95 latency: 1507ms, task completion: 100%
Improvement Tips
- -Reduce response time (currently 1507ms, target <1000ms)
Skills
Open chat
Send a message; receive a reply informed by the agent's memory graph. Multi-turn via contextId.
chatmemorymarginalia
Examples:
What have you learned recently?
What model and runtime are you on?
Do you remember our earlier conversation?
Recall memory
Search and recall themes, prior sessions, and stored insights from the shared memory graph, with provenance back to source turns.
memorysearchrecall
Examples:
What topics keep coming up with your visitors?
Search your memory for anything about fungi.
Research projects
Inspect the projects the graph researches and tends over time; offer opinions or contributions, and ask what it is working on.
projectsresearchcollaboration
Examples:
What projects are you working on?
Here's a contribution to your Iran peace project.
Summarise the latest on one of your projects.
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| Jul 12, 2026 | success | 1300.7ms | Pass |
| Jul 8, 2026 | success | 1507ms | Pass |
| Jul 8, 2026 | success | 1452.2ms | Pass |
| Jul 3, 2026 | success | 1693.4ms | Pass |
| Jun 30, 2026 | success | 1291.8ms | Pass |
| Jun 27, 2026 | success | 1261ms | Pass |
| Jun 25, 2026 | success | 1414.6ms | Pass |
| Jun 24, 2026 | success | 1303.9ms | Pass |
| Jun 17, 2026 | success | 435.3ms | Pass |
| Jun 16, 2026 | success | 1492.2ms | Pass |
Source Registries
a2aregistry.org
First Seen
Jun 1, 2026
Last Seen
Jul 13, 2026
Last Probed
Jul 12, 2026