MCPNews

The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

witness

Spec Support Unverified Publisher unverified Confidence: Good (0.85)

witness is an MCP server published by IngTian; its MCP spec-revision support has not been verified yet. Last verified 2026-08-07.

Does witness support the current MCP specification (2026-07-28)?

Undetermined. We have not verified which MCP specification revision witness supports (as of 2026-08-07).

Is witness a first-party (official) MCP server?

Undetermined. We have not verified the publisher relationship for witness (as of 2026-08-07).

How do I connect to witness?

witness is available via the package npm:@witness-ai/opencode, the official MCP Registry under io.github.IngTian/witness, the source repository at https://github.com/ingtian/witness. Authentication: unknown. Transports: stdio.

When were witness's facts last verified?

2026-08-07. Each fact on this page links to the sources used to verify it.

Second brain for Claude Code & OpenCode: distills how your patterns and knowledge evolve over time.

How widely adopted is witness?

Not ranked in The MCP 500: insufficient public data (coverage floor not met) (snapshot ). The Adoption Index measures public signals only; it says nothing about quality.

Repository and package signals for witness

Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.

Repository as of

Stars
8
Forks
1
Last pushed
(39 days ago)
Created
Open issues
0
Primary language
Go
License (repository)
MIT
Continuous integration
Present
Tests
None detected
Security policy
None

Declared topics: agent-memory, ai-memory, bitemporal, change-tracking, claude-code, coding-agent, corpus-analysis, golang, knowledge-distillation, llm, mcp, mcp-server, model-context-protocol, opencode, personal-knowledge-management, provenance, second-brain, self-improvement, text-mining — author-declared on the repository, not our taxonomy.

Package (npm) as of

Latest version
0.8.0
Last published
First published
Releases
26
License (package)
MIT
Maintainers
2
Direct dependencies
0
Unpacked size
74 KB
Registry signature
Signed
Build provenance
Attested

How was this verified, and what are the sources?

Verified · method: registry-record · confidence 0.85 (Good).

  1. Official MCP Registry record for io.github.IngTian/witness at version 0.7.3 - lists package npm:@witness-ai/opencode and repository https://github.com/ingtian/witness - accessed