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Palim

by io.github.joleschmidt

palim_save_session

Save or append a full chat transcript (messages + summary). Prefer palim_save_context for compact handoffs. For metadata-only or URL updates use palim_update_session_metadata / palim_update_session_references. When appending: reuse session_id + title, fetch existing messages first, send only new ones. Always pass a complete summary and metadata.tool_source.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
titleYesSession title. Reuse across saves; else the exact chat title from the client UI.
summaryNoFull-conversation summary. Required arrays may be empty.
messagesYesMessages to save (role + content). When appending, only unsaved messages.
metadataNoSession metadata. tool_source is required.
overwriteNoReplace all existing messages instead of appending. Default: false.
created_atNoOptional ISO 8601 creation date from the AI client (new sessions only).
session_idNoSession id. Reuse across saves in this chat; else from chat URL or a new UUID.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
messageYesHuman-readable tool result text.

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description reveals important behavioral traits beyond the annotations: append is the default mode, appending requires fetching existing messages first, and every save must include a complete summary and metadata.tool_source. However, it does not explicitly warn that overwrite=true is destructive, though the schema does document that behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact and front-loaded: it states the core action first, then names alternatives, then gives the append-specific workflow. Every sentence earns its place and none are redundant.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a complex tool with nested objects, an output schema, and multiple siblings, the description is complete: it covers core behavior, alternatives, append workflow, and mandatory fields. Nothing an agent needs to correctly invoke the tool is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the schema already documents all parameters. The description adds real integration value by prescribing how to populate session_id, title, messages, summary, and metadata.tool_source in the append workflow, which is meaning beyond the raw field definitions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with a specific verb and resource: 'Save or append a full chat transcript (messages + summary).' It clearly differentiates itself from palim_save_context and the metadata/reference update tools, so an agent can immediately tell what this tool does and what it does not do.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage guidance is explicit and actionable: prefer palim_save_context for compact handoffs, use metadata/reference tools for metadata-only updates, and when appending reuse session_id/title, fetch existing messages first, and send only new ones. This gives clear when-to-use and when-not-to-use direction.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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TDQS

A3.7/5.0
Disambiguation4/5

Most tools have distinct purposes, especially the save/delete actions and help. However, save_context vs save_session and get_context vs search overlap enough that an agent could select the wrong one without reading closely.

Naming Consistency4/5

All tools share the palim_ prefix and use snake_case, with a mostly consistent verb_noun pattern. help, resume, and search are verb-only names, which is a minor deviation from the otherwise predictable scheme.

Tool Count5/5

Nine tools is a well-scoped number for a memory and session management server. Each tool has a defined role, and there is no obvious bloat or excessive proliferation.

Completeness2/5

The save_session description explicitly references palim_update_session_metadata and palim_update_session_references, but those tools are not available, creating a workflow dead end. There is also no update/delete mechanism for stored memories, leaving notable lifecycle gaps.

Resources