Tether MCP server

by sidyellur·io.github.sidyellur/tether·v0.6.1

Local-first agent memory over SQLite: remember, recall, link, forget. Degrades, never fails.

B83/100grade B

What users say

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Safety scan

B83/100

Adoption

Growing

1 stars27 downloads/wk

Reviews

Nobody has reviewed Tether yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

forget
Soft-delete a memory by id: marks it no longer current (excluded from recall/the boot index) but keeps the row, reversibly, like consolidation and the forgetting sweep already do. Returns {"forgotten", "existed"}. (Permanent purge is an admin-only CLI operation, not available here.)
linkwrite action
Create a bidirectional link between two memories by id.
recall
Search memories by keyword and semantic similarity, then follow the usage graph to related memories, most relevant first.
remember
Save a durable memory. UPSERTS: a memory of the same `type` with the same (whitespace/case-normalized) `title` is updated in place instead of duplicated, so re-remembering a fact refines it rather than cluttering.

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings

Code scan14 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 7 days ago15/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

claude mcp add tether -- uvx tether-memory

Is Tether MCP server safe?: Mostly: it is graded B (83/100). Read the Tether safety report
How do I install Tether?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Tether need an API key?: Yes. The registry entry asks for TETHER_SYNC_TOKEN.
Is Tether maintained?: The last commit was 7 days ago (2026-09-12). The latest release is v0.6.1.
What can I use instead of Tether?: Servers from other publishers that do the same job: Remem MCP server, skillmem MCP server and Memory Arbiter MCP server. Compare all Tether alternatives.

Same job from other publishers: the closest match first, then the best rated.

Remem
Local-first automatic memory for Claude Code and Codex: capture, distill, recall from SQLite.
not reviewed
Established
B
skillmem
Skill memory for coding agents: learn, recall, reinforce, decay. Local SQLite, no API key.
not reviewed
Growing
A
Memory Arbiter
Local SQLite MCP memory: evidence-based recall, advisory conflict notices, authorized governance.
not reviewed
Growing
A
Myc
Task queue, decisions and memory for coding agents. Local SQLite, no network. Requires Bun.
not reviewed
Growing
C
Redis MCP Server
Read-first Redis MCP: SCAN key explorer, keyspace/TTL/memory/slowlog stats, DBA advisor
not reviewed
Growing
B

Local package. It runs on your machine, not through the gateway.

TETHER_DBPath to the SQLite memory file. Defaults to the platform data dir (e.g. ~/.local/share/tether/memory.db).
TETHER_SEMANTICSet to 0 to force keyword-only recall. Semantic recall needs the [semantic] extra and is on by default when available.
TETHER_SYNC_URLOptional libSQL/Turso primary URL to sync memory across devices. Leave unset for local-only.
TETHER_SYNC_TOKENsecretAuth token for TETHER_SYNC_URL.

Claim it to keep the listing current and reply to reviews. Claiming never changes the grade or hides a review.

Shows the safety grade and links back to this page. It updates itself after every scan and review.

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