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Agent skill

Palantir Migration Deep Dive

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Plan and execute a phased migration of data pipelines, Ontology applications, or external integrations into Foundry.

MITAuto-check passedData & Analytics

Install Palantir Migration Deep Dive

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill palantir-migration-deep-dive -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace palantir-migration-deep-dive --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/palantir-migration-deep-dive .claude/skills/palantir-migration-deep-dive && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
palantir-migration-deep-dive
GitHub stars
2.8k
Token cost
~1.4k tokens
SKILL.md length
600 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Plan and execute a phased migration of data pipelines, Ontology applications, or external integrations into Foundry.

  • Works in 5 steps: Inventory source contracts: identifiers,… → Design target datasets, transforms,… → Load a bounded historical slice, then… → …
  • Replacing a legacy system
  • SKILL.md covers Overview, Prerequisites, Current Contract and Authentication, plus 8 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Palantir Migration Deep Dive is an agent skill from jeremylongshore/tons-of-skills-marketplace. Plan and execute a phased migration of data pipelines, Ontology applications, or external integrations into Foundry. Use when replacing a legacy system or moving workloads across Foundry environments. Trigger with "Palantir migration" or "Foundry cutover".

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Requires current Palantir Foundry documentation and approved access for any live resource, permission, data, build, application, or deployment change

It sits in Data & Analytics, covering Legacy modernization and Data pipelines and ETL. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Replacing a legacy system
  • Moving workloads across Foundry environments
  • With Palantir migration
  • Foundry cutover

Example prompts

  • “Palantir migration”
  • “Foundry cutover”
  • “/palantir-migration-deep-dive”

Requirements

  • Compatibility (from SKILL.md): Requires current Palantir Foundry documentation and approved access for any live resource, permission, data, build, application, or deployment change
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Inventory source contracts: identifiers, schemas, update/delete semantics, volumes, SLAs, consumers, permissions, audit requirements, and…
  2. Design target datasets, transforms, Ontology entities, Actions, applications, and controls with an explicit mapping for every source…
  3. Load a bounded historical slice, then establish incremental capture or repeatable deltas with reconciliation keys.
  4. Dual-run representative workflows and compare counts, aggregates, sampled records, actions, permissions, latency, and failure handling.
  5. Freeze changes, reconcile final deltas, obtain owner sign-off, cut consumers over in stages, and retain the tested rollback window.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Glob
    • Grep
    • Write
    • Edit

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Requires current Palantir Foundry documentation and approved access for any live resource, permission, data, build, application, or deployment change

    From compatibility in the SKILL.md frontmatter.

Context cost

Palantir Migration Deep Dive loads about 1.4k tokens when it runs, and up to ~1.7k if it reads all its reference files. Until then it costs about 71 tokens; SKILL.md has 600 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~71
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 600 words, ~1,412 tokens.

Download SKILL.mdSave it as .claude/skills/palantir-migration-deep-dive/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
palantir-migration-deep-dive
description
Plan and execute a phased migration of data pipelines, Ontology applications, or external integrations into Foundry. Use when replacing a legacy system or moving workloads across Foundry environments. Trigger with "Palantir migration" or "Foundry cutover".
allowed-tools
Read, Glob, Grep, Write, Edit
compatibility
Requires current Palantir Foundry documentation and approved access for any live resource, permission, data, build, application, or deployment change
version
2.0.0
argument-hint
[source-system-and-target-product]
model
inherit
effort
high
author
Jeremy Longshore <jeremy@intentsolutions.io>
license
MIT
tags
saas, palantir, foundry, migration, cutover

Palantir Foundry Migration and Cutover

Overview

Migrate contracts and evidence, not just bytes. Inventory data semantics, identities, access controls, pipeline transactions, Ontology entities, applications, and operational dependencies before dual-running a bounded slice.

Prerequisites

  • Name source and target owners, business workflows, datasets, schemas, identities, controls, service objectives, retention, and rollback deadline.
  • Choose the target Foundry primitives: connectors, transforms, Ontology resources, OSDK application, DevOps product, or Compute Module.
  • Read references/official-docs.md and document features or resources that do not map directly.
  • Establish a frozen baseline and approved non-production landing zone.

Current Contract

  • Foundry applications and resources can be packaged and promoted with DevOps and Marketplace across environment spaces.
  • Developer Console application installation remaps supported parameters, but API-name consistency and dependencies still require explicit handling.
  • Incremental transforms have transaction-history requirements and must reconcile with snapshot behavior.
  • Access control combines project roles, mandatory controls, Ontology policies, and application restrictions.

Authentication

Inventory source and target identities, OAuth grant types, service users, scopes, and application restrictions as separate migration contracts. Store secrets in approved managers, rotate them through a staged cutover, and never copy source credentials into the target environment.

Instructions

  1. Inventory source contracts: identifiers, schemas, update/delete semantics, volumes, SLAs, consumers, permissions, audit requirements, and failure modes.

  2. Design target datasets, transforms, Ontology entities, Actions, applications, and controls with an explicit mapping for every source contract.

  3. Load a bounded historical slice, then establish incremental capture or repeatable deltas with reconciliation keys.

  4. Dual-run representative workflows and compare counts, aggregates, sampled records, actions, permissions, latency, and failure handling.

  5. Freeze changes, reconcile final deltas, obtain owner sign-off, cut consumers over in stages, and retain the tested rollback window.

Tool Discipline

  • Use Glob to locate candidate repositories, manifests, configurations, and evidence without widening scope.
  • Use Grep to find relevant identifiers, declarations, permissions, errors, and stale claims.
  • Use Read to inspect the smallest required files and authoritative evidence.
  • Use Write only for a new approved local draft, test, manifest, or evidence artifact.
  • Use Edit only for a bounded approved change whose rollback is known.
  • Do not use file tools as a substitute for authenticated Foundry operations or owner approval.
Show full SKILL.md (249 more words)Show less

Approval Boundaries

Data owners approve semantics and reconciliation; security owners approve target controls; application owners approve consumer cutover; operations owners approve freeze and rollback windows. Destructive source retirement is a separate approval after the rollback period.

Output

A migration inventory, source-to-target mapping, control matrix, dependency graph, rehearsal results, reconciliation report, cutover timeline, owner approvals, rollback triggers, and retirement decision.

Error Handling

ConditionResponse
A source field has no target meaningStop automatic mapping and obtain domain-owner resolution.
Dual-run results divergeKeep consumers on the source, isolate the difference, and repeat from a known checkpoint.
Target permissions are broaderBlock cutover until negative-access tests and mandatory controls match the approved policy.
Final delta exceeds the windowAbort cutover and rehearse a smaller partition or faster incremental path.

Examples

Example 1

Migrate an operational dataset into transforms and an Ontology object type by baselining history, replaying incremental changes, and reconciling keys, deletes, aggregates, and access before moving readers.

Example 2

Move an OSDK application to a release-managed environment by packaging its Developer Console application, mapping parameters and dependencies, testing OAuth/resource restrictions, and rehearsing rollback.

Validation

  • Every source contract has an owner-approved target or explicit exception.
  • Historical and incremental reconciliation meet defined tolerances.
  • Positive and negative access tests match policy.
  • Consumers, schedules, and writeback are cut over in observable stages.
  • Rollback remains executable until the approved retirement decision.

Resources

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/palantir-migration-deep-dive of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Palantir Migration Deep Dive next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Palantir Migration Deep Dive compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Palantir Migration Deep Dive this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.4kAutomated safety check: PassMIT
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Monitor With HaolemeHaolemeApp/Haoleme157—~1.3kAutomated safety check: PassAGPL-3.0
Authoring Dagsastronomer/agents4511 repos~1.8kAutomated safety check: PassApache-2.0
Dagster Expertdagster-io/skills211—~2kAutomated safety check: PassApache-2.0
dbt Error DebuggingAltimateAI/data-engineering-skills128—~1.1kAutomated safety check: PassMIT

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Categories

Questions about Palantir Migration Deep Dive

What does Palantir Migration Deep Dive do?

Plan and execute a phased migration of data pipelines, Ontology applications, or external integrations into Foundry. Palantir Migration Deep Dive is an agent skill from jeremylongshore/tons-of-skills-marketplace. Plan and execute a phased migration of data pipelines, Ontology applications, or external integrations into Foundry.

When should I use Palantir Migration Deep Dive?

Palantir Migration Deep Dive fits situations like: replacing a legacy system; moving workloads across Foundry environments; with Palantir migration; foundry cutover.

How do I install Palantir Migration Deep Dive in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill palantir-migration-deep-dive -a claude-code`. Or copy the skill folder (skills/.curated/palantir-migration-deep-dive in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/palantir-migration-deep-dive in your project. Claude Code loads it when a task matches its description.

How do I install Palantir Migration Deep Dive in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill palantir-migration-deep-dive -a codex`. Or copy the skill folder (skills/.curated/palantir-migration-deep-dive in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/palantir-migration-deep-dive in your project. Codex loads it when a task matches its description.

Can I use Palantir Migration Deep Dive in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill palantir-migration-deep-dive -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/palantir-migration-deep-dive, .gemini/skills/palantir-migration-deep-dive, .github/skills/palantir-migration-deep-dive and .opencode/skills/palantir-migration-deep-dive in your project.

What does Palantir Migration Deep Dive need to run?

SKILL.md names no scripts, command-line tools or credentials: Palantir Migration Deep Dive is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit. Compatibility (from SKILL.md): Requires current Palantir Foundry documentation and approved access for any live resource, permission, data, build, application, or deployment change.

Does Palantir Migration Deep Dive access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Palantir Migration Deep Dive safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Palantir Migration Deep Dive use?

Palantir Migration Deep Dive is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Palantir Migration Deep Dive use?

About 1.4k tokens (SKILL.md is roughly 5.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 274 tokens, read only when the agent opens those files.

What are the alternatives to Palantir Migration Deep Dive?

Skills that share tags, products or a category with Palantir Migration Deep Dive: Check Outdated Practices (owid/etl, 159 stars), Monitor With Haoleme (HaolemeApp/Haoleme, 157 stars), Authoring Dags (astronomer/agents, 451 stars) and Dagster Expert (dagster-io/skills, 211 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Palantir Migration Deep Dive?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.